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

RWHP from bolt ons

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Old 02-19-2008, 08:16 PM
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Originally Posted by BTC
Is there a list of what's considered a bolt on?
http://www.lt1howto.com/articles/lt1boltons.htm
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Old 02-19-2008, 08:49 PM
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Thank you.

So, based on that article, roller rockers aren't considered a bolt on. I was under the impression that they were, not that it really matters. I'm gonna have to get one of those Power Programmers.

Last edited by BTC; 02-19-2008 at 08:52 PM.
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Old 02-19-2008, 08:55 PM
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i was talking about shon's car. I know there are others who are close to the numbers hes putting down.
Bolt ons would be everything but heads and cam. Some say that blowers or n2o would be a bolt on but i dont.

Last edited by slomarao; 02-19-2008 at 11:07 PM.
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Old 02-19-2008, 08:58 PM
  #19  
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Has anyone ever bolted on a Pratt & Whitney?
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Old 02-19-2008, 10:26 PM
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With the same mods, I had ramshorn manifolds with duals, ran 13.18 @102, 283 rwhp,313 tq. I fabbed up some shorties from parts, had them ceramic coated and threw on a dr. gass x pipe and picked up 17 rwhp, 17 tq. Put me at 300rwhp-330tq. got me 12.97 @ 104. It was dyno'd before and after on the same dynojet.
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Old 02-20-2008, 12:17 AM
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'97's supposedly had about 5cfm more in the heads, and with a new fuel pump and CAI I put down 280rwhp at a dyno day with 20+ witnesses. No headers, cam, rockers, etc....

Honestly I'd be shocked if a M6 can't break 300rwhp with just headers and cat back.
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Old 02-20-2008, 04:30 PM
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Originally Posted by BTC
Thank you.

So, based on that article, roller rockers aren't considered a bolt on. I was under the impression that they were, not that it really matters. I'm gonna have to get one of those Power Programmers.

Poo on the power programmer. When my car was a stock A4 with 2.73s, the power programmer slowed the car down 3 tenths. I took it off and then we loaded it to my buddys A4 with 3.23s. We did it at the track so he made back to back passes as well. Instant 3 tenths slower. It made it real hard to sell it to him then, lol!
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Old 02-20-2008, 04:47 PM
  #23  
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Yeah, I was just kidding around about the power programmer. It's kinda crazy what they cost in comparison to an actual tune.
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Old 02-20-2008, 09:17 PM
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ran 9.3xx in 1/8th bone stock....put bbk shortie headers with matching y-pipe plus lca...no cai or nothing...the catback exhaust from the factor is 3 in on my 94...but anyways I ran an 8.69 after install two months later on the exact same tires. best $600 ive ever spent!

if I would have done the intake probably 8.6x...but any ways

if your going to the track...lca+headers+CAI+TIRES+stall= low low low 8.0's throw in a cam 7.6-7.8


good luck,

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Old 02-20-2008, 09:23 PM
  #25  
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With the exception of some of the SS stuff, I thought the factory exhausts were 2.75".
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