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TSP 9.5" Street/Strip converters- Lifetime warrantee!

Discussion in 'Tri Shield Performance' started by Jim Weise, Feb 5, 2008.

Page 8 of 12
  1. alaskagn

    alaskagn Well-Known Member

    Jim,
    How long is build time for one of the stage 3 converters if I ordered one in the next couple weeks? I might need a stage 2 as well. I should have some dyno figures for the engine soon.
    Thanks
    Layne
     
    alaskagn, Mar 17, 2019
    #141
  2. Jim Weise

    Jim Weise EFI/DIS 482

    typically a week to 10 days, before it ships. Sometimes faster..

    JW
     
    Jim Weise, Mar 17, 2019
    #142
  3. Swagon

    Swagon Well-Known Member

    Are you able to rework a Neil Chance converter?
     
    Swagon, Jul 15, 2019
    #143
  4. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Call Jim and ask, (320) 629-8999
     
    LARRY70GS, Jul 15, 2019
    #144
  5. TMD1972

    TMD1972 Active Member

    Hi, I have a 72 LeSabre Convertible. It's just cruiser. A buddy of mine keeps telling me I should put a converter in it. I think it's a waste of money to install one on a heavy cruiser. I'd appreciate your opinion. Thanks, Tom.
     
    TMD1972, Jun 1, 2020
    #145
  6. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Is the engine completely stock?
     
    LARRY70GS, Jun 1, 2020
    #146
  7. TMD1972

    TMD1972 Active Member

    Yes. I'm am installing duel exhaust in 3 weeks. And 4 bbl carb in the near future but that's pretty much it at this point.
     
    TMD1972, Jun 1, 2020
    #147
  8. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    Then you don't want a converter. The biggest reason for getting a different converter is to match the performance characteristics of a longer duration cam. Longer duration cams let the engine breathe at higher RPM where they make more power. These type of cams also shift the power range of an engine to a higher RPM. Power range for a stock cam typically starts at 800 RPM and goes to 4500. Higher duration cams have power ranges that start at 1500 or 2000 RPM, and higher. When you run these type of cams, you need a converter to stall about 500 RPM over the beginning of the power range. Stock converters stall at 1400 RPM or so, so that is perfect for a stock engine.
     
    LARRY70GS, Jun 1, 2020
    #148
  9. TMD1972

    TMD1972 Active Member

    Thank you for the information. This should keep him from bugging me on the matter. Hopefully.
     
    TMD1972, Jun 1, 2020
    #149
  10. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    :D What kind of car does he drive? Might give me more insight as to why he is bugging you.
     
    LARRY70GS, Jun 1, 2020
    #150
  11. TMD1972

    TMD1972 Active Member

    He had a couple of nice cars in the past few years. And he seems fairly knowledgeable. Maybe he just assumed I would do cam and lifters as well. I mean my car is a bit sluggish. I did the top end in 2012 but it sat for most of that time.
     
    TMD1972, Jun 1, 2020
    #151
  12. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    One thing for you to look at is ignition timing. If it is a 350, check the part number of the distributor. The original 1972 350 distributor is part number 1112109. The 1972 455 distributor would be 1112110. If you have either of those part numbers and you have your initial timing set to 4* BTDC, that alone will make the engine sluggish.
     
    LARRY70GS, Jun 1, 2020
    #152
  13. TMD1972

    TMD1972 Active Member

    Thanks I'll check that out. I was thinking it was the carb.
     
    TMD1972, Jun 1, 2020
    #153
  14. LARRY70GS

    LARRY70GS a.k.a. "THE WIZARD" Staff Member

    If you have those distributor part numbers and your initial timing is set to 4*, it's the lack of timing that is making it sluggish.
     
    LARRY70GS, Jun 1, 2020
    #154
  15. Luxus

    Luxus Gold Level Contributor

    I have a 74 LeSabre and I can confirm the subject converter alone won't do much for you with a stock engine.

    BTW I do have an engine build in the works, just right now I needed a converter to be able to drive the car until the new engine is done. I had rebuilt the trans over the winter.
     
    Luxus, Jun 1, 2020
    #155
  16. TMD1972

    TMD1972 Active Member

    Thanks I'll definitely check the distributor. By the way it is a 350. Thanks again for all the help. Greatly appreciate it.
     
    TMD1972, Jun 1, 2020
    #156
  17. quickstage1

    quickstage1 Well-Known Member

    Jim,
    I sent you a message about another converter for my son's Regal. He's ready to order one now.
    Ken
     
    quickstage1, May 4, 2021
    #157
  18. Jim Weise

    Jim Weise EFI/DIS 482

    sent you a reply..

    JW
     
    Jim Weise, May 4, 2021
    #158
  19. sean Buick 76

    sean Buick 76 Buick Nut

    Personally I would still do a nice converter with a stock 455. It would help a lot! Quarter mile testing on a stock 350 showed a big gain with a good converter.
     
    sean Buick 76, May 4, 2021
    #159
    docgsx likes this.
  20. 12lives

    12lives Control the controllable, let the rest go

    Interesting discussion!
     
    12lives, May 5, 2021
    #160
Page 8 of 12

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