danger of slapping an s-trim or equal s/c on?

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xplo89gt

Founding Member

Jul 14, 1999

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Boston, MA

Sep 2, 2004

#1

• Sep 2, 2004

• #1

My mods are in my sig. Honestly I have been craving more power lately. I know I should probably get a new tranny first, but as mine works fine now it is hard to do so. I've been thinking of getting a supercharger. I would like a 331 aftermarket block with all forged internals at some point, but i don't think it is time yet.

How long would my block and/or tranny last with an S-trim? Would I still be able to rev to 6k or would that result in causing damage? Or would I be better going with a sc-trim and upgrading at a later date?

Let me know what your experience is in adding a power adder to a stock block with HCI and stock tranny. Thanks.

 

ALMOSTFINISHED

Member

Jan 8, 2004

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17

Westchester County NY

Sep 2, 2004

#2

• Sep 2, 2004

• #2

I would do a compression test and a leak down test to see how the rings and other vital seals are holding up. As long as you have good results with that, and a proper tune i think you would be fine for a while. You'd definately be puttin down some nice numbers too. Good luck with whatever you do.

nick

 

mattkimsey

I've compiled a list to recap this thread:

Jan 22, 2004

346

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0

Bessemer City NC

Sep 2, 2004

#3

• Sep 2, 2004

• #3

With your goals in the future with the block and forged internals, I would mess with the sc/trim. Your tranny will probably go out before your block. Lotta people around here runnin h/c/i blower making 450-550 rwhp with a stock block.

 

extozy

New Member

Sep 7, 2003

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Longview, TX

Sep 2, 2004

#4

• Sep 2, 2004

• #4

a Tremec T-5 won't handle that much hp will it?

 

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dude5l

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Dec 24, 2001

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Grande Prairie, Alberta , Canada

Sep 2, 2004

#5

• Sep 2, 2004

• #5

extozy said:

a Tremec T-5 won't handle that much hp will it?

Click to expand...

It will as long as you don't beat on it too hard. I've been running 11 lbs on my stock shortblock with 100,000 miles on it for 2 years now, and it's been down the track at least 50 times. I launch at about 4500 rpm and the clutch (unknown) and stock tranny are still hanging in...for now. I lost the axles last year though.

 

bln92cpe

New Member

Dec 15, 2003

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Los Angeles, CA

Sep 2, 2004

#6

• Sep 2, 2004

• #6

i blew the tar out of my head gaskets with my s trim...since then i got a new 306 and it takes anything i throw at it..My tranny feels weak, however I have a TKO500 sittin in a box in my garage..

 

Js90Lx

Founding Member

Jul 25, 2000

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Athens, GA

Sep 2, 2004

#7

• Sep 2, 2004

• #7

I take my motor to 6k rpm with no problems at 11lbs of boost. Its a street car so my factory 140k mile t-5 is just fine.

 

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xplo89gt

Founding Member

Jul 14, 1999

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Boston, MA

Sep 3, 2004

#8

• Sep 3, 2004

• #8

Interesting. It is basically mixed responses so far. I'm definately interested in hearing more people's stories.

Now if i got an s-trim would I be able to run it with my 30#ers with the FMU?
Or would i need to go to 36 or 42lbers?

 

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wido78

Founding Member

Jan 24, 2002

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Olathe, Ks

Sep 3, 2004

#9

• Sep 3, 2004

• #9

I am currently working on a 331 with an S-Trim and even though I haven't finished tuning it or taken it to the track yet, I can say that it pulls like a mofo...

Prior to the 331 build I was running 30lb injectors and an FMU without any issue, but choose to upgrade the injectors when I moved to the new heads, cam and 331.

The following is my current setup, and I will be removing the FMU in the future:

331 Stroker /w all forged internals including SRP dished pistons
TFS TW Heads
1.6 RR
X-303
Ported Cobra Upper/Lower
Vortech S-Trim
Tremec 3550 (freshly rebuilt)
3:73s
TweecerRT

I will hopefully have some track times next week that I can share...

With as much fun as this setup is, I would definately suggest doing a 331 and then adding the blower as $ permits.

 

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xplo89gt

Founding Member

Jul 14, 1999

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Boston, MA

Sep 3, 2004

#10

• Sep 3, 2004

• #10

Nice setup. Mine will be similar to that, but funds are tight at the moment.

I know I should probably do the 331 first, but im not sure if there's much fun in that (good deal of work and w/ low compression pistons not sig power gains). I really am not sure what I am doing. Trying to figure it out.

 

super302

I'd do anything for free Bapples

May 29, 2004

2,878

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Davenport, IA

Sep 3, 2004

#11

• Sep 3, 2004

• #11

Danger of slapping a s-trim on: so much fun your head will explode

 

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xplo89gt

Founding Member

Jul 14, 1999

945

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Boston, MA

Sep 6, 2004

#12

• Sep 6, 2004

• #12

Alright. At first I was thining about doing this soon so I'd have it for some of the fall, but now I've decided it would probably be better to do it over winter with the idea of also saving cash for a tko500. Thanks guys.