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  1. #1
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    Default TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Due to positive feedback from my converter customers on the board here, I have had a number of calls lately, and folks talking here about our 9.5" converters.. so here's the story..

    I have been working on this program with these converters for about 5 years now, and have come up with some great combos for our Buicks.




    These 9.5" converters were developed in customer and shop cars.. fit TH350 and TH 400 transmissions, and I get some very good prices on them, below wholesale, for these very high quality units.. they are built as well, or in some cases better than the "big name" companies. For a whole lot less money.. Of course everything is furnace brazed, full roller bearings, those of you who have worked with me in the past or seen my work, know that I have nothing to do with sub par quality parts.

    A whole bunch of users here run our STG 1 9.5". This is the converter that helped Alan Wander get his 4000 lbs 69 convert into the 11's. Do a search on the board, you will find his feedback on it. Our most popular fixed pitch converter.Wholesale on this converter is $527.14, our price is $465.00. Stall speed is 2500 to 4000 rpm, depending on your desires and combo.

    Several fellow board members have our STG 2 9.5" unit (stronger stator for 600+HP and or a heavy car.. Wholesale cost on that unit is $698.50, our cost is $606.00 Stall 3000 to 5500, to fit your needs.

    George Sweesy runs our Bulletproof STG 3 converter, in his 850+ HP tube chassis car, which has run numerous 1.20 60' times, which is really quick for a 3200 lbs car..This converter has all the strongest parts available, including a forged cover (back half of the converter that bolts to the flywheel).
    This unit wholesales for $985, our price is $889.00 Stall 4000 to 5500 to fit your combo. Trans Brake OK with this unit.

    The secret to a good Buick converter is understanding the torque of the engine.. and since we build and dyno dozens of SB and BB Buick's of all types, I can estimate your power accurately, and direct the build accordingly to fit your needs. From Stock, to Procharged, to dual tunnel ram strokers, we have built and dynoed them, and have the numbers on hand.


    All my converters can be sent back, and changed to any stall speed you wish, or changed from a STG 1 to STG 2 or 3, or simply re-stalled to fit your combo as it evolves. Cost is $125 labor, plus any parts you may wish to upgrade.

    As far as durability..

    Including the VP stuff, we have sold hundreds of converters over the last 9 years, and I have yet to ever have one fail.

    Not one

    So if you use one of my converters in the application that you originally bought it for, and it fails, I will repair/replace it.. for life at no charge.

    Thx

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  2. #2
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    Linden, MI
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Wish you did this for 200r4's.
    Doug Gorton
    Gravity, it's only a theory.
    Trying is the first step towards failure
    -Homer Simpson
    GSX clone- May 2002
    Supercharged 462-April 2010
    1973 Ski Nautique 351w
    87 GN- August 2005

  3. #3
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    North Babylon Long Island N.Y
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    Red face Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Hey Jim, I was wondering if you can change the amount of slippage of the convertor for better MPH,I feel that my convertor is to loose up on the top end but i get great 60 foot times. Im interested in a stage 2 3500 converter. it Also needs to handle a trans brake .
    Eric
    NYCTA
    Past Buick's
    66 SKYLARK
    70 SKYLARK 462
    71 SKYLARK 350
    72 SKYLARK 350 CUSTOM
    72 RIVIERA
    https://www.facebook.com/groups/350b...rformancegroup
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    -------------------------
    70 Skylark 350 Formally Jessica Rabbit (Jessie)
    Someday a 464 BBB STAGE 2 Head's Borg Warner T-10 Trans 3.73 gear...
    BPG Member 1232
    North Eastern Chapter Member 235

  4. #4
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by sailbrd View Post
    Wish you did this for 200r4's.

    Let me check, I bet I can..

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  5. #5
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by killrbuick66455 View Post
    Hey Jim, I was wondering if you can change the amount of slippage of the convertor for better MPH,I feel that my convertor is to loose up on the top end but i get great 60 foot times. Im interested in a stage 2 3500 converter. it Also needs to handle a trans brake .
    Sure, no problem.. shoot me a PM with your specs, and your specific issues with your current converter..

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  6. #6
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    Dec 2003
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    2,625

    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    I've been in 2 cars with a 9.5 conv. of an other well respected brand. One with a 455 Pontiac (whoes tried all kinds of 10") and the other a 340 Mopar. The Pontiac stalls at 3600 and the mopar 3300. In both these cars you can't even tell there is a stall in them untill you nail it. Do these convertors work like that if used on the street if the convertor is set up for 3000-3500 stall?
    Ray

  7. #7
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by RG67BEAST View Post
    I've been in 2 cars with a 9.5 conv. of an other well respected brand. One with a 455 Pontiac (whoes tried all kinds of 10") and the other a 340 Mopar. The Pontiac stalls at 3600 and the mopar 3300. In both these cars you can't even tell there is a stall in them untill you nail it. Do these convertors work like that if used on the street if the convertor is set up for 3000-3500 stall?
    Ray
    i have one of these converters from jw and its hard to tell theres a 3000 stall just driving around. but when you nail it man hold on. all that said im pleased

  8. #8
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by RG67BEAST View Post
    I've been in 2 cars with a 9.5 conv. of an other well respected brand. One with a 455 Pontiac (whose tried all kinds of 10") and the other a 340 Mopar. The Pontiac stalls at 3600 and the mopar 3300. In both these cars you can't even tell there is a stall in them untill you nail it. Do these convertors work like that if used on the street if the convertor is set up for 3000-3500 stall?
    Ray

    Yes..

    I was skeptical of a 9.5" unit, when we first started on these, but Dick, the owner of the very large Converter re-manufacturer that does my stuff, talked me into one.

    In your typical 500 HP iron head GS, with 3.42 gears, I wouldn't have believed it was a 9.5" converter, except for the fact that I put it in.. They have no "slippery feel" under light load driving conditions.

    That's the beauty of the small converter.. You don't have to have aggressive fin angles, and big tip clearances to get them to stall.. the stall is very much of a function of the diameter of the converter. Also, the reduction in weight is incredible, our Stage 1 and 2 9.5" converters weight in at 27 lbs, easily 3 lbs lighter than the typical 10", and the stock 12" GM converter is 37lbs.. add much more fluid to the bigger converter, and it's just that much more of a difference.

    In fact, going back to the very first one we did, I had to take it out and have it loosened up.. that cured my concern for them being too loose or inefficient for street use.. After they changed the stator to re-stall the converter, it didn't really "feel" any different under normal driving. There was a slight difference, but it was an advantage, because it did a better job of soaking up the cam pulses (290-08H) at idle in gear. Very similar to one of my 12" VP converters, in high stall..



    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  9. #9
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by sailbrd View Post
    Wish you did this for 200r4's.

    Checked on that for you today.. Had to stop down to pick up a fellow board member's VP converter they had just finished up..

    Two different options or the 200R4

    2500-2700 stall lockup

    Got the run down on it:
    Based on the Stock D-5 GM 2000 stall 27 spline converter with the following mods.

    - Re-stalled to 2500-2700 rpm, behind the typical warmed over BBB.
    - Fully furnace brazed
    - Steel Turbine Hub
    - Carbon Metallic clutch lining
    - HD Damper spring assembly
    - Lifetime warrantee

    This would be the typical converter for most of you guys running around with a GS with the 200-4R.

    Cost: $329.00

    Beyond that, we can get you into a 27 Spline 10" unit, with a special Carbon fiber lockup clutch for more durablity if your doing full throttle lockup stuff (racing), and all the mods above. Those converters are custom built to your combo and stall speed requirements.

    Cost: $595.00


    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  10. #10
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    Williamsport, PA
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    651

    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Hi, I'm new to the scene. I need a new converter for my new engine build. Any help?

  11. #11
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Sure,

    PM me your buildup details, or send them via email at jim@trishieldperf.com

    Thx

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  12. #12
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    Colorado Springs, CO/ Cent, Ca
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Would one of your 9.5" converters work in my 5000LB 1970 4x4 behind a 690LB, 660HP 505BB chevy. I have had nothing but trouble with torque converters with this truck. I seem to blow through every converter under 12" that I try. I can stall A factory 12'' TH350 converter to 2800+ rpm but they are heavy, and don't multiply any torque, then they shell out. I spent 850.00 on a custom continental 11'' that was supposed to go 3200RPM. It launched good but I lost 5MPH, and .3 with it. When I hit 2nd @6000 the rpm only drops to 5500RPM . My peak torque is @3900RPM. Im now running a 258mm pro yank SC converter rated for 1400HP. It locks up on top but will only flash 23-2500RPM. Sorry for the long post, I just wanted to see what you thought. Thanks, J
    -1966 Skylark GS, Iron head pump gas 462 build in the works..

    -1972 Chevy Nova, 6.0L LS Swap, single 76mm turbo, factory rotating assembly 8.39/164@3315 lbs. Weekend car.

    -03 GMC 1500 4X4, 6.0L, 76mm, 9.73/140 Mph@4850 lbs. Daily driver

  13. #13
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by jarrett View Post
    Would one of your 9.5" converters work in my 5000LB 1970 4x4 behind a 690LB, 660HP 505BB chevy. I have had nothing but trouble with torque converters with this truck. I seem to blow through every converter under 12" that I try. I can stall A factory 12'' TH350 converter to 2800+ rpm but they are heavy, and don't multiply any torque, then they shell out. I spent 850.00 on a custom continental 11'' that was supposed to go 3200RPM. It launched good but I lost 5MPH, and .3 with it. When I hit 2nd @6000 the rpm only drops to 5500RPM . My peak torque is @3900RPM. Im now running a 258mm pro yank SC converter rated for 1400HP. It locks up on top but will only flash 23-2500RPM. Sorry for the long post, I just wanted to see what you thought. Thanks, J

    I would hate to tell you to throw out a $900 converter... have you talked to them, to see if they can change the stator to get a bit more stall out of it for you?

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  14. #14
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Hi Jim, sorry if this might of been asked earlier, is one of these 9.5 in. converters available in a switch pitch application ? Right now I'm using a 12" J&W performance converter and I'm not really sure of it's reliability. Thank you, John Biggs.
    1971 GS 455 Skylark
    AC 4150 LBS. Street / Strip Car
    11.63 @ 115.20 Mph 1.62 60ft.

    1970 Buick Skylark 455. Under Construction
    ( Will be racecar only )

    John Biggs
    Friends don't let friends put a chevy engine in their Buick.

  15. #15
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    No John, it's a fixed pitch converter.

    If you have a 12" VP now, that's the core I need to build one of mine, and you won't break it..

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  16. #16
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by Jim Weise View Post
    I would hate to tell you to throw out a $900 converter... have you talked to them, to see if they can change the stator to get a bit more stall out of it for you?

    JW
    He said they can raise the stall but the shift extention will go up. Right now with a 6000RPM shift point the RPM falls down to about 4500RPM which is just right, locks up really well on the top end. When I first had the converter built it flashed 3000-3200 but I would only drop to about 5000-5200RPM on the shift's, and wouldn't lock up on the top end. Thanks, J
    -1966 Skylark GS, Iron head pump gas 462 build in the works..

    -1972 Chevy Nova, 6.0L LS Swap, single 76mm turbo, factory rotating assembly 8.39/164@3315 lbs. Weekend car.

    -03 GMC 1500 4X4, 6.0L, 76mm, 9.73/140 Mph@4850 lbs. Daily driver

  17. #17
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Hi Jim:

    I'm still running a factory GM switch pitch converter (12") with 4.33 gears at a race weight of 3885 lbs.
    With the DOT's, full exhaust and 91 octane pump gas the car has run a best of 10.96 @ 124.55 mph with a 1.57 60'. Its tough to try to compromise and keep it a dual purpose car with plenty of street driving. But I'd like to see what this combo is capable of. No dyno time so any hp/tq figures are merely a guess on my part. Would you mind looking over my combination if I email you the specs and see what might be available?
    Dave

    1970 GSX Stage 1 auto (QQ)
    1970 GS455 conv. auto (Red)
    1964 Skylark conv.
    1987 GN
    1970 GS Stage 1 (street/strip) former Car Craft Mag. RSE car. 10.96 @ 124.55 mph, full exhaust, MT ET Street Radials, pump gas.

  18. #18
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Dave,

    Glad to look it over for you, and I would say it's a sure be that if we reworked that 12" VP we could pick up some time for you. What's it stalling at now with the stock converter?

    email is jim@trishieldperf.com

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  19. #19
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by jarrett View Post
    He said they can raise the stall but the shift extention will go up. Right now with a 6000RPM shift point the RPM falls down to about 4500RPM which is just right, locks up really well on the top end. When I first had the converter built it flashed 3000-3200 but I would only drop to about 5000-5200RPM on the shift's, and wouldn't lock up on the top end. Thanks, J
    Yup, that's the deal for sure.. I would be hesitant to say that I could improve dramatically over what you have. They have it set up pretty tight right now and I would have to say that if we cut your current converter, and took a look at it, we might be able to either improve that one, or build a new one for you, but I would be foolish to tell you I can send you something out of the box for this application and be confident it will be what your after.. really dependant on what exactly you have now..

    Be glad to give you a second opinion on it, if you wish.

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  20. #20
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Jim,

    My 67 runs mid 12's and 60' is 1.75 at best with a 3.42 gear.

    How much differance in ET and 60' would we expect if I:
    1.Let you rebuild/modify my old KB 12" s/p converter.
    2.Swap my old 12" s/p for your 9.5" converter.
    Thanks, Gary B.
    GSCA # 116
    67 GS 455

  21. #21
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by Jim Weise View Post

    A whole bunch of users here run our STG 1 9.5". This is the converter that helped Alan Wander get his 4000 lbs 69 convert into the 11's. Do a search on the board, you will find his feedback on it. Our most popular fixed pitch converter.Wholesale on this converter is $527.14, our price is $465.00. Stall speed is 2500 to 4000 rpm, depending on your desires and combo.


    JW

    ...did it for you JW

    http://v8buick.com/showthread.php?t=136760

    I had BigRed out on Sunday after not driving it since before christmas (a looonnngggg time for me even during winter) - puttered around town a bit and when I finally hammered it, I uttered those same words as the first time driving it after the install

    HOLY S#!T !!!!!

    Guys - this one should be a no-brainer. You're getting a quality TC for about half the price of a Big Name company ... JW has done the homework to make sure it is optimized for our barges ... AND you get a lifetime warantee !!
    Alan W

    BPG # 1048 - Charter Member
    NE GS/GN Club - 17 Year Member
    68/69 Buick StepChild Nation - 29 Year Member

    What is a Buick StepChild ?
    Quote Originally Posted by 442w30 View Post
    ... They have awkward proportions from certain angles, and they look dumpy compared to their GM brethren
    ....'68 SportWagon400 "Sportn'Wood"..............'69 GS400 Convert "BigRed"..........

  22. #22
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by Gary Bohannon View Post
    Jim,

    My 67 runs mid 12's and 60' is 1.75 at best with a 3.42 gear.

    How much differance in ET and 60' would we expect if I:
    1.Let you rebuild/modify my old KB 12" s/p converter.
    2.Swap my old 12" s/p for your 9.5" converter.
    Thanks, Gary B.
    Gary,

    If your KB converter works like mine did, then what we do is basically what they did years ago. After they quit doing them, there was not place to get a VP converter, with the mod package that KB had back then, and that's what we do to them now. We stall them a little more, but not much.. what is yours stalling to now.

    As far as the 9.5" unit, I would need more info on your combo. carb, cam, ect.

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  23. #23
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Quote Originally Posted by 69GS400s View Post
    ...did it for you JW

    http://v8buick.com/showthread.php?t=136760

    I had BigRed out on Sunday after not driving it since before christmas (a looonnngggg time for me even during winter) - puttered around town a bit and when I finally hammered it, I uttered those same words as the first time driving it after the install

    HOLY S#!T !!!!!

    Guys - this one should be a no-brainer. You're getting a quality TC for about half the price of a Big Name company ... JW has done the homework to make sure it is optimized for our barges ... AND you get a lifetime warantee !!
    Thanks Alan!

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

  24. #24
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Jim,
    My 67 usually runs 12.40's at 107-108
    The old KB switch pitch gets 1.8 60ft, ... best 1.76, 12.36, at 108 mph
    My efficiency calculations say a good converter will get 12.20's at 108 mph
    and the mph should improve as well.
    But the question stated above was
    1. could my s/p be improved
    2. How much would a 9.5" help
    I have a 455, ported st.1 heads,b4b,800 Q-jet, c118 cam, sp3000/2000,th 400 trans., 3.42 rear, 3800 lb chassis.
    thanks, Gary B
    GSCA # 116
    67 GS 455

  25. #25
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    Default Re: TSP 9.5" Street/Strip converters- Lifetime warrantee!

    Gary,

    If your VP converter is 20+ years old, there is a good chance that we could improve the efficiency of it, depending on how the fin tip clearances were set to begin with, and what kind of wear the unit has. Also, we would look at the stator vane angles, to insure that they are optimum.

    I am assuming you have the KB 149 12" VP converter. If for some reason you have the 13" unit, then we certainly could improve your times with the smaller converter.

    What stall speed does it seem to flash to now?

    In going to a 9.5" converter, I would venture to guess that you would see a tenth or two over the best you can get from a VP converter, if for no other reason that the 10 lbs reduction in rotating weight. This simply allows the engine to rev faster thru the gears. Further, we could get some more out of it, if in fact we set up a converter that was more oriented for the track than the street, I know that 118 cam likes to get above 3000 rpm to produce the best times. Of course exact ET improvements would be absolutely dependent on the ability of the car to get ahold of the pavement. If we can get that 60' time down into the 1.6's, I can see some low 12's out of the car, with the right air and traction. Depending on where that cam is degreed in, I would say a 3000-3500 stall converter would optimize your 60' time, and the smaller converter will be more efficient down track.

    And of course you would have to change the front pump for the fixed pitch converter. I can supply everything you need for the conversion.


    But ultimately, I can only speculate on et improvements, until we cut your current converter, and see what you really have. As you probably know, there are a number of factors that control et and mph ability, and your getting close to the limits of stock fuel pumps and lines. I have been drag racing long enough to know that it would be unwise for me to sit here and spit out specific et gains, that would be more advertising jargon, than anything, but we certainly would like to work with you to help you optimize what you have now.

    Thx

    JW
    Owner/operator

    Tri-Shield Performance
    Jim Weise
    Founder/Owner
    V-8 Buick.com
    320-629-8999

    Most folks are about as happy as they make up their minds to be.
    Abraham Lincoln
    16th president of US (1809 - 1865)

 

 
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