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

How much hp

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Old 01-21-2009, 10:38 AM
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Default How much hp

i have been rebuilding my LT1 for the last 8 months here the list of mods

msd opti
long tubes
cc 306 (with all the hardware)
afr heads
forged pistons .30 overbored
forged rods
stand alone engine managment
scorpion 1.6 roller rockers
58 tb
9 inch
auburn pro series
stage 3 clutch
original tranny
true duals
walbro 255
30lbs injectors
4.11 gears

How much hp do you think i will have if the tunning is there
Old 01-21-2009, 10:48 AM
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what compression ratio?

383 or 355?

which AFR heads?
Old 01-21-2009, 10:50 AM
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yeah we need more info:
CR
What heads
stock stroke?

you might want a hair larger injectors as well
Old 01-21-2009, 10:56 AM
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400-420 range - 355
420-440 range - 383+
Old 01-21-2009, 11:02 AM
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the heads are 180cc with 56cc chambers 11-1 compresion -355 engine stock stroke
Old 01-21-2009, 11:23 AM
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385rwhp
Old 01-21-2009, 11:27 AM
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Originally Posted by SpeedDensityZ
385rwhp
We have a winner! Seriously though, I think this is a pretty good guess.
Old 01-21-2009, 12:51 PM
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I'd say a little over 400rwhp or right under it, it is a 6 speed with AFR heads

people have broken 400rwhp with cc306 t56 cars with stock casting heads and stock cubes/compression, not neccesarily the norm but it can happen

make sure you have a good tuner
Old 01-21-2009, 02:03 PM
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Originally Posted by Z-RATED94
We have a winner! Seriously though, I think this is a pretty good guess.
I always like to be the weiner!!



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