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  1. #76
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    Sure, same converter, forged cover $665

    That's the standard price now for all my non lockup 9.5" converters. Up about $100 from what I used to offer, the new manufacturer has a great deal on forged covers, and that is what we use now exclusively. Same cover that used to be on my $900 converter. I felt that the big upgrade for such a small extra cost was worth it. All converters now have HD 7/16-20 mounting lugs.



    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. #77
    Join Date
    Dec 2014
    Posts
    1

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

    hi Jim . I have a 4200lb rw 1970 GS with a VP converter . the eng is a 535 BBB stroker,the converter low stall is 1400 and high is 4500 best 60' is 1.51 et 1070 @ 125.95 and spun hard in 1st but has gone 127 I was wondering if my converter could be tighter for top end as with 3.91 gears its 6500rpm out the back and I don't like to spin it that hard . but I like the switch on the street for fun !!I did dyno the eng 757tq @ 4800 /767hp @ 6000. I think I got that converter from poston back 12years ago

  3. #78
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    1400 is already modified to be lower than stock, so I doubt your going to get any serious rpm reduction with converter. You will probably have to run a taller slick, or drop the rear gear, with your present combo.

    What tires are your currently running?


    I also think the car would be faster with the correct 9.5" fixed pitch converter, but yes, not as much fun on the street.


    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)

  4. #79
    Join Date
    Apr 2004
    Location
    Rt 1 Box 180 Puxico, MO 63960
    Posts
    1,429

    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.
    Jim,
    Really like your converter.
    If I run the 1/8th mile and cross the line at 90 mph, I need to know what % of converter slip to expect from the 9.5" 3500 converter I bought from you.
    I plan to use my th400 in 2nd gear, 3.42 rear, and MT 28" sticky tire.
    My original BUICK tach is not accurate enough to guarantee the 6000 rpm limit for my stock rod/piston engine. Just checked a Wallace calculator and got 5465 rpm at 90 mph based on 3.42 x 1.48 (2nd gear) = 5.06 gear.
    Now I need to add the converter slip to the 5465 rpm to assure a safe 6000 rpm limit at the finish line. What is your best guess on slip rpm?
    Last edited by Gary Bohannon; 07-04-2015 at 02:26 PM.
    GSCA # 116
    67 GS 455

  5. #80
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    First off, I would suggest it's a good idea to temporarily attach an accurate aftermarket tach for testing.

    I think you will be ok, should be around 5700-5800 rpm at 90 mph in 2nd gear. Maybe slightly less.

    Get an accurate rpm/finish line mph and the rollout of the rear tires, and we could figure the converter slip pretty close.

    But that would be my best guess, figuring with lockup, you would be at just shy of 5500.


    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. #81
    Join Date
    Apr 2004
    Location
    Rt 1 Box 180 Puxico, MO 63960
    Posts
    1,429

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

    So 300 to 400 slip would be a good guess at 5450 rpm to add on for a c118 cam and ported stage 2 heads? Not so much torque up there any way, my guess.
    Just don't want disaster. If it blows, it's for sale. Struggled to get this far, getting old and broke.
    This site makes me feel younger though, it is my true companion.
    Last edited by Gary Bohannon; 07-05-2015 at 03:36 PM.
    GSCA # 116
    67 GS 455

  7. #82
    Join Date
    Jun 2015
    Location
    Redcliff, Alberta
    Posts
    356

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

    Hey Jim, we are looking for a converter for my son's 72 Buick GS.
    Its going to be a 372 stroker, NASCAR rods, Scotty Brown Pistons, roller cam with specs to follow, 1.6 roller rockers, 3:73 gears with Tru-Trac locker, 295/50/15 rear tires, SP3 intake, Holley 750 DP, Doug's headers with full 2 1/2" American Thunder exhaust, turbo 350 transmission...what else do you need to know?

    Cam specs: TA 290/298, .584"/584" with 1.6 ratio , 110* lsa, duration: 227*int/235*exh @ 0.050"

  8. #83
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    That's pretty much it, the only other thing would be how are you going to use it.. Drag racing, or street driving, or some combo of both.

    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. #84
    Join Date
    Aug 2009
    Location
    Erie,Pennsylvania
    Posts
    709

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

    Do you have something for my Olds? The engine is a 517" Olds.4.185" bore,4.700" stroke,Velasco billet crank,GRP rods,CP pistons,custom Edelbrock heads,Victor intake,Comp solid roller 11:5:1 compression.It made 774HP/710TQ on 93 octane. It will be going into a 72 Cutlass,weighing about 3600-3700lbs,and has 3:73's. The transmission is a custom-built,with Reid bell,main case,tail.Regular pattern and No transbrake. It will see more street driving than track. Watcha got?
    Brian Trick
    thetrickfamily@yahoo.com
    814-440-3553

    70 Cutlass W31
    70 442 W30 4-spd
    71 442 W30 4-spd
    72 Cutlass Supreme 507"
    70 Buick GS 455

  10. #85
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    Sure, my basic converter design/parts were proven in a 3100 lbs tube chassis GS, with a TH 400 and brake.. ran high 8's at 152MPH with 875HP. 1.20 60'

    So durability is no issue.. I add a forged hub and balloon plate to the pump on trans brake converters. All of them have HD stator Sprag, and a forged or billet cover. HD 7/16 mounting hardware.

    Email me a dyno sheet, and what stall your thinking about, and we can go from there. Everything is custom built.

    jim@trishieldperformance.com

    thanks

    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)

  11. #86
    Join Date
    Aug 2009
    Location
    Erie,Pennsylvania
    Posts
    709

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

    I just tried to email you my dyno sheet,and it got returned.
    Brian Trick
    thetrickfamily@yahoo.com
    814-440-3553

    70 Cutlass W31
    70 442 W30 4-spd
    71 442 W30 4-spd
    72 Cutlass Supreme 507"
    70 Buick GS 455

  12. #87
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    convert it to a pdf if you can, might have been too big.

    shoot me an email to make sure the address is right..

    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)

  13. #88
    Join Date
    Jun 2015
    Location
    Redcliff, Alberta
    Posts
    356

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

    Quote Originally Posted by Jim Weise View Post
    That's pretty much it, the only other thing would be how are you going to use it.. Drag racing, or street driving, or some combo of both.

    JW

    Im gonna say 99% aggressive street driven....
    I know he wants it dynoed afterwards, and will most likely try drag racing too.

  14. #89
    Join Date
    Feb 2002
    Location
    Pine City, MN
    Posts
    9,738

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

    Quote Originally Posted by Extended Power View Post
    Im gonna say 99% aggressive street driven....
    I know he wants it dynoed afterwards, and will most likely try drag racing too.
    No problem, give me a ring, we can get something in the works 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)

  15. #90
    Join Date
    Jun 2015
    Location
    Redcliff, Alberta
    Posts
    356

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

    I'll give you a shout tomorrow morning.

  16. #91
    Join Date
    Jun 2015
    Location
    Redcliff, Alberta
    Posts
    356

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

    Thank you for the call back Jim.
    Can't wait to get the new converter in with the new engine.
    Last edited by Extended Power; 03-17-2017 at 01:08 PM.

 

 
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