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

DYNOED the TA today, a freak bolt on LT1 !!!

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Old May 25, 2004 | 12:36 PM
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TexasTechTA's Avatar
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DYNOED the TA today, a freak bolt on LT1 !!!

alright with the mods in the sig and with the temp at a very humid 90 degrees I put down

274.9 RWHP
312.4 RWTQ

AF was a very steady 13 to 1 the whole way down.

The torque curve was incredible from the start of the dyno at 2k rpms all the way to 4500 rpms it was a flat line then gradually dropped it looks great.

also finally the car was spitting out some black smoke up at higher rpms. That is just fuel right nothing to worry about?

What do you think of the numbers with stock manifolds and minor bolt ons
Old May 25, 2004 | 12:41 PM
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Nice numbers! these LT1's are torque monsters, especially yours.
I'd be interested what you run at the track....post your times if you end up going.
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Last edited by MarkyMark; Sep 14, 2011 at 01:19 PM.
Old May 25, 2004 | 12:43 PM
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The numbers look good. I would not worry about the
temperature as the numbers should be SAE or STP
corrected. Humidity and temperature are not an issue
when you correct to a standard.
Old May 25, 2004 | 12:55 PM
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yea I am going to the track with soem et streets in a week alos and powershifting.

also whta about the black smoke? unburned fuel right?
Old May 25, 2004 | 01:05 PM
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Good numbers, but remember, not all dyno's are created equal.
Old May 25, 2004 | 01:22 PM
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well I trust this dyno it is 6 months old and did not lie I had a hotcammed lt1 that was not running right put out 284 on the same dyno. BTW it was a dynojet
Old May 25, 2004 | 02:25 PM
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When I had an 02 WS6 catback, 1.6 rockers, and CAI I put down 278.9rwhp through an A4, so those #'s seem about right to me.
Old May 25, 2004 | 02:27 PM
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Originally posted by TexasTechTA
well I trust this dyno it is 6 months old and did not lie I had a hotcammed lt1 that was not running right put out 284 on the same dyno. BTW it was a dynojet
Your numbers look completely normal to me. The other guys car was running like **** to be anywhere near your numbers. If his car was running right it would have dyno'd around 330rwhp and not 280. You have a good running car though, be happy.
Old May 25, 2004 | 02:31 PM
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That's some pretty good #'s.
I put down 263 RWHP/303 RWTQ, but I was running up to 15.1 AF on that pull. I had a steady increase in the AF from 3k up, only running about 19-20 psi on fuel. I hope to dyno somewhere near those #'s soon, now that I've corrected my fuel starvation problem.
Old May 25, 2004 | 02:46 PM
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Originally posted by speed_demon24
When I had an 02 WS6 catback, 1.6 rockers, and CAI I put down 278.9rwhp through an A4, so those #'s seem about right to me.
yea next mods are long tubes with true duals and 1.6 rockers.
Old May 25, 2004 | 03:15 PM
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pretty good numbers. i got the numbers in the sig before the headers and it's through an auto. my torque curve was just like you described....gotta love the lt1
Old May 25, 2004 | 03:33 PM
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not bad, i put down 278wrhp with stock manies and msd blaster, with bad timing too. I just got done with my new motor, mostly just cam but i got the xe224/230 and it sounds great, cant wait to get some miles on it so i can romp it.
Old May 25, 2004 | 06:14 PM
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do u think with LT's and true duals I could make over 300?
Old May 25, 2004 | 06:28 PM
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good #'s not a freak by anymeans tho, 6 speeds always dyno higher than auto's you seem to be right were you need to be with your mods.
Old May 25, 2004 | 06:33 PM
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I wouldn't say your car is a freak either, these cars tend to have more torque than HP. Not bad numbers otherwise though. When I had my car dynoed the ignition was breaking up and the clutch was on its way out and I did 300 RWHP and 339 RWTQ with long tube headers so next on your list of mods should be some headers.

Myles



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