LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

New numbers dyno

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Old Sep 25, 2003 | 09:18 AM
  #1  
grygst76's Avatar
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From: Gloucester-Spfld Mass
New numbers dyno

I finally went and got another dyno after fixing a lot of misc caca wrong with my car I fixed a vacuum leak at the TB plate, new opti-plugs-wires, timing chain replacement because I still cannot believe this chain stayed on the sprocket it was stretched so bad, and gutted the dumb cats, and a complete replacement of the intake with what is in my sig. None will believe the improvement so I ask a few to guesstimate and I will send one clean shiny quarter to the person who gets correct. I'm only posting this to show the importance of having your car running properly with a good tune and such...of course my timing cover to oil pan gasket is still freakin' leakin' but everything is in great tune.

Last edited by grygst76; Sep 25, 2003 at 09:22 AM.
Old Sep 25, 2003 | 09:30 AM
  #2  
Chris 96 WS6's Avatar
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301.
Old Sep 25, 2003 | 09:39 AM
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Originally posted by Chris 96 WS6
301.
Wow wicked close!!! I'm also impressed with the new torque values as well.
Old Sep 25, 2003 | 10:21 AM
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What did you make before headers? Curious.
Old Sep 25, 2003 | 10:37 AM
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Originally posted by NVetro
What did you make before headers? Curious.
I never dyno'd before the headers, I dynod with the headers, loudmouth, ripped intake elbow, leaking TB plate, 1.6 rollers, and an almost dead opti.
Old Sep 25, 2003 | 11:31 AM
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Gary, I am gonna guess 300rwhp and 330rwtq.
Old Sep 25, 2003 | 11:39 AM
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Originally posted by RealQuick
Gary, I am gonna guess 300rwhp and 330rwtq.
Alright, I'll stop the guessing game

298.7---------329.6

but my freakin car is still pig rich with A/F of 10.8 @WOT
Old Sep 25, 2003 | 12:15 PM
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congrats.

What programming do you have? the stock program can't be that rich with your mods.... whats going on there?

-brent
Old Sep 25, 2003 | 12:29 PM
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Originally posted by 94formulabz
congrats.

What programming do you have? the stock program can't be that rich with your mods.... whats going on there?

-brent
yup, stock programming I replaced the o-sensors as well why it's so rich I'm thinking my pressure regulator is going south for the winter AT least I know my fuel pump works right? When I get my cam/heads in and remove some of this emissions doodoo out I will have my pcm tuned since I'm going with a cc306 and ported heads and !air with an ORP for the MACS as well.
Old Sep 25, 2003 | 06:50 PM
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See, I told you you were closed to 300rwhp. Congrats man!
Old Sep 25, 2003 | 07:40 PM
  #11  
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Originally posted by ZZtop
See, I told you you were closed to 300rwhp. Congrats man!
you were right whats you paypal so I can send you the quarter!!
Old Sep 26, 2003 | 12:31 AM
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Hey Gary, how the F did you get that good torque? With the cam in the LT1 I hit 330 TQ.

You're a big liar, just admit it. You hit 280/300 with your mods.......

Send Bryan that PCM and enjoy an extra 10-12 HP or so........
Old Sep 26, 2003 | 04:41 AM
  #13  
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Originally posted by 95TA8280
Hey Gary, how the F did you get that good torque? With the cam in the LT1 I hit 330 TQ.

You're a big liar, just admit it. You hit 280/300 with your mods.......

Send Bryan that PCM and enjoy an extra 10-12 HP or so........
I don't know I know like I said before with my first dyno hitting 308 for torque I thought it was odd but now that she is up to par and hitting these numbers I'm in utter shock. I know, I got a factory freak
Old Sep 26, 2003 | 07:03 AM
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The general trend for LT1's with stock cam is that they make 30rwtq more than the hp number.
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