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Thread: Going from S-trim to T-trim?

  1. #1
    Junior SCH Member
    Join Date
    Oct 2005
    Posts
    7

    Going from S-trim to T-trim?

    I might have chance of swapping my S for a T + cash. What would be a reasonable difference money wise between the two head units, and what kind of power gains would I see? I see the T supports up to 825 on the vortech site, has anyone gone over that? My combo consists of a Dart 331 with cometic gaskets Solid roller custom blower cam, AFR 185's and a Trick flow R intake. I'm also running an AEM management unit to take care of the tuning. Im sure the S would work ok for now, but I plan on spinning this motor just over 7000rpm and it looks like the T is a bit more capable RPM wise. Im mainly kind of curious what kind of power I could make with the T. The engine was originally built for a bigger blower in the future (Was hoping to go YSI or Nov2000).

  2. #2
    SCH Member
    Join Date
    Jun 2005
    Posts
    50
    Hope you got some good internals.

  3. #3
    Junior SCH Member
    Join Date
    Oct 2005
    Posts
    7
    Quote Originally Posted by greenlantern
    Hope you got some good internals.
    Dart 331 with all forged components I know I didn't put what internals in my first post, but who builds a Dart block with **** parts inside . I built the combo for a YSI or Novi 2000, but if I can upgrade from my current S-trim to the T Im sure it would make a bit more power. So back to my original question, what kind of power would this T be able to make. I know every engine is different but Im sure there are guys that have run a 331 with a solid roller and T trim here? Id like to put down around 650 to the wheels and want to know if this blower will do it.

  4. #4
    Senior SCH Member
    Join Date
    May 2003
    Posts
    251
    You should be able to crack 600rw pretty easily with that combo. I just did the S to T swap myself and I'm about to head back to the dyno.
    On my S-trim 13#s on a 331 similar to yours i made 580rw.

    Turn the boost up in the 16-18 range and 650rw shouldnt be a prob
    Stock Blocks are Unbreakable

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