TSP 9.5" Street/Strip converters- Lifetime warrantee!

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

  1. bostongsx

    bostongsx Platinum Level Contributor

    Jim I need 2 converters

    My car still has the 350 trans but I have a built gn tranny ready to go in. It is a 69 350 2bbl skylark convert that I converted to 4bbl with a ta intake and 350 rochester carb. I also added a 3.42 posi. Other than that it is pretty much stock.

    My buddies car is a 72 lark with 455. It has a small ta cam, stage 1 heads with mild port work, ta shorty headers, 850 quadrajet and has a jim burek 200r4 and converter that was set up for his old 350 motor. His car needs some stall as it wont get out of the gate which surprises me because the converter in the car now is set up for his old 350
  2. Jim Weise

    Jim Weise EFI/DIS 482

    I just installed a strengthened/modified D-5 converter behind a 400 in a 68 GS.. love it, replaced a standard D-5, and it was a world of difference. Has a special stator modification that gives them more stall.

    That's the one I would suggest for you BB buddy, for yours, I will ask my converter guy tomorrow if he would do any other mods to it.. what kind of stall speeds are you after on the 350 car?

    I will PM you on Monday with the info.

  3. bostongsx

    bostongsx Platinum Level Contributor

    I would think 25-2800 its a heavy car and the 350 is pretty tame, I just want it to come off the line a little better.
  4. Jim Weise

    Jim Weise EFI/DIS 482


    Two options for you on the 2004-R.

    A modified D-5, just like I put in that GS400 here recently. It's a very nice converter that has a "windowed" stator, for another 300-500 rpm or so more stall than the stock unit. Just right for soaking up a little cam lope, and a decent flash when you nail it. We went from a stock D-5 to this one in that car, and the difference was night and day. Exactly what we were looking for, on that 400 HP car, with a 118 cam.

    For a car that your going to drive a lot on the street, and all around manners are most important, and want that good "feel" in moderate acceleration, it's a nice unit.

    Not the highest performance option, as the stall-torque ratio is around 1.4 on that unit.

    Cost is $299+shipping.

    For a more performance oriented deal, where getting to the next stoplight is the prime consideration, then we move to the 10" unit. A much higher 1.9 stall torque ratio, and 20 lbs less weight will really make things happen a lot quicker.. downside is that this one does not have as positive a "feel" in light throttle work. Not mushy by any means, but it does have a more performance oriented "feel".

    Cost is $379+ship on that unit.


  5. Smartin

    Smartin antiqueautomotiveservice.com Staff Member

    Anyone interested in using one of these convertors should pull the trigger. I got mine installed today, and it's completely night and day compared to the old one I had in there. It's no longer a slushbox around town. I can feel the shifts again:laugh: Thanks, Jim, for the excellent product. I can't wait to get it to Columbus!
  6. R4E5G5L

    R4E5G5L Not a Cutlass

    The last post here was over a year ago. Are you still selling these? What is the expected build time? Updated price on the stage one?

    Not ready yet, still saving up.

    Thanks Jim,
  7. mazzy70

    mazzy70 Bill

    Yes, I am pretty sure Jim is still doing these. I contacted him yesterday on a converter for the Electra. Pm'd me next day on what he can do and price.
  8. Jim Weise

    Jim Weise EFI/DIS 482

    Ya, they were going out of here like crazy earlier this spring.. Right now we are looking at 7-10 days on the build, price on the STG 1 9.5 is $499.


  9. R4E5G5L

    R4E5G5L Not a Cutlass

    Well guys I finally put enough scratch together and ordered a stage1 verter a few days ago! Will the tabs have welded nuts like factory? If not, which summit part number do I need for hardware?

    Last edited: Mar 4, 2012
  10. R4E5G5L

    R4E5G5L Not a Cutlass

    I really don't want to bug Jim with such a trivial question. Any thoughts on the hardware? (above post)


    ---------- Post added at 06:37 AM ---------- Previous post was at 06:37 AM ----------

    I really don't want to bug Jim with such a trivial question. Any thoughts on the hardware? (above post)

  11. Jim Weise

    Jim Weise EFI/DIS 482


    Hardware is included with the converter.. no worries.

  12. 1967BuickGS400

    1967BuickGS400 Well-Known Member

    I am looking for a stage 1 3000 stall. How much are they? Thanks Josh.
  13. Jim Weise

    Jim Weise EFI/DIS 482

    The Stg 1 9.5" is 499+ shipping.

  14. R4E5G5L

    R4E5G5L Not a Cutlass

    WOW, stage 1 compared to stock Riviera

    I can't wait to get it in!


    Just got back from our shake down run and the car is just plain nasty now. Drag radials are now worthless :) need to look for some wrinkle wall street tires. Might be an issue on the top end it's too early to report. 60mph cruise is same rpm as it was with the stock 13 inch.

    Last edited: Apr 27, 2012
  15. Ken Mild

    Ken Mild King of 18 Year Resto's


    Do you rebuild stock converters? I have a vibration I have been putting off trouble shooting. I need to start with the clutch fan and work back from there. If it ends up being my converter (which is stock) would you consider rebuilding it with a slightly higher than stock stall? If so, what would the cost be? How long would it take? I can give engine and drivetrain specs as needed as best I can. I'm not sure what the stock stall was for my car with the original 400ci setup from the factory with the TH400, but that's the coverter I still use with 3.08 gears and a shift improver kit. I may upgrade to 3.55 and a posi this year, if that would make a difference.


  16. Ken Mild

    Ken Mild King of 18 Year Resto's

  17. Jim Weise

    Jim Weise EFI/DIS 482


    Sure, we could rebuild your converter, but I guess my question would be why?... it would be a lot simpler just to buy the STG 1 12" I sell, that stalls about 16-1800... cost on that one is $289. It is a perfect "stock replacement" converter for a GS BB car. It's "just a little more" than the stocker, which stalled at about 13-1400.. still plenty tight for street driving.

    Those we typically have in stock. I would have to check my guys inventory tho..

  18. David G

    David G de-modded....

    Jim, that sounds like a good choice to add to the TH350 we discussed?
  19. Ken Mild

    Ken Mild King of 18 Year Resto's

    Jim, Awesome, thanks for that recommendation. This will be the one I purchase when it's time then. :beers2:
  20. Rob Ross

    Rob Ross Well-Known Member

    Which case does the Stage 1, 9.5" converter use? Vega, Northstar or other? I'm thinking of trying one.

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