LT1-LT4 Modifications 1993-97 Gen II Small Block V8

New Engine Estimates

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Old Feb 23, 2009 | 04:06 AM
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Default New Engine Estimates

Im getting a new engine put in my TA in a week or two and im planning on putting on a lot of bolt ons before the engine goes back in. Heres a list:

CAI
Resonator Delete
Airfoil
TB Coolant Bypass
Underdrive Pulley
Hooker Shorties

conservatively im estimating 350 hp with another 15 or so coming in a few weeks with the catback. does this sound about right?
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Old Feb 23, 2009 | 04:54 AM
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sry to burst your bubble but thats not gonna happen. u might see 300 if you put on some long tubes instead. and thats if you have a 6 speed. if you have an auto it will be a little less. did you have anything done to the motor while it was out? a decent cam should put you at 350.
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Old Feb 23, 2009 | 06:43 AM
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Originally Posted by ElkySS
sry to burst your bubble but thats not gonna happen. u might see 300 if you put on some long tubes instead. and thats if you have a 6 speed. if you have an auto it will be a little less. did you have anything done to the motor while it was out? a decent cam should put you at 350.
I agree with ElkySS....You can see my mods. I made 305 rwhp.
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Old Feb 23, 2009 | 11:37 AM
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i have a hard time believing on a brand new LT1 all these mods would net me 15 hp.
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Old Feb 23, 2009 | 03:35 PM
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you are aware that the 285 hp rating is crank hp right? not rear wheel? 300 rwhp isnt that bad
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Old Feb 23, 2009 | 03:56 PM
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Yeah most stock LT1's are only putting down like maybe 230rwhp on the dyno... So 300rwhp is good... A new engine would be awesome, but you need all of the supporting mods (tranny, rear, tires, suspension, etc.)
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Old Feb 23, 2009 | 04:19 PM
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Originally Posted by hitmanws6
i have a hard time believing on a brand new LT1 all these mods would net me 15 hp.
No one goes by engine ratings these days. We are talking wheel hp here.
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Old Feb 23, 2009 | 04:26 PM
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Originally Posted by ElkySS
you are aware that the 285 hp rating is crank hp right? not rear wheel? 300 rwhp isnt that bad
he was probably talking crank horse power. or does not know there is a difference between crank and rwhp
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Old Feb 23, 2009 | 05:05 PM
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i know the difference. my estimates are for crank hp. i agree with your rwhp estimates
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Old Feb 23, 2009 | 05:14 PM
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Originally Posted by dlk1950
I agree with ElkySS....You can see my mods. I made 305 rwhp.
Only 305 rwhp with a cc305? That should be 340-350. 12.2x-12.4x.et
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Old Feb 23, 2009 | 05:27 PM
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Originally Posted by lt1-xjs
Only 305 rwhp with a cc305? That should be 340-350. 12.2x-12.4x.et
Thats what we got. I thought 330 to 340. Don't seem to be anything wrong.
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