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

how much power you guys thinking?

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Old 01-20-2009, 07:57 AM
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Default how much power you guys thinking?

im picking up my buddies 95 Z28 and just curious what kind of power you think its going to put down before i strap it on the dyno. Id really like the solid roller guys to chime in (OutlawZ) Heres all the goodies thats in her.

396 LT1 11.7:1 comp
Callies racemaster 3.875 stroke crank
SRP forged pistons/ 14cc dish
Callies Pro I rods/ 5.850 length
Clevite race bearings
Solid roller cam
Intake: .595 Exhaust: .580
Duration @ .050 Intake: 278 Exhaust: 282
Lobe Separation: 112.0
Comp solid roller lifters
Comp pushrods
Comp pro magnum 1.6 rockers/ 7/16 studs
AFR LT4 210's CNC port job w/ 58cc chambers
Ported intake
Canton pan/ melling HV pump
Bored & honed .030" w/ torque plates
Billet main caps
ARP fasteners
Balanced
Decked

QA-1's on all four's
Spohn LCA, Torque arm bar, pan hard bar, and Kenny Brown sub-frame connectors.

built T-56
Mcleod ST
Moser 12 bolt, 4.11's, eaton posi, 33 spline axles
MT ET Streets

once i find out the cam specs ill post them up so i can get a more accurate guess from you guys. im thinking around 420 RWHP

Last edited by daves94formula; 01-21-2009 at 11:37 PM.
Old 01-20-2009, 09:39 AM
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Considering all you said was solid roller cam...it's anyone's guess. Try to get a cam card or cam specs.
Old 01-20-2009, 09:42 AM
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Originally Posted by ss.slp.ls1
Considering all you said was solid roller cam...it's anyone's guess. Try to get a cam card or cam specs.
I agree. I'm going to throw out a guess anyway and say between 430rwhp and 460rwhp. When are you planning on having it dynoed?
Old 01-21-2009, 02:54 AM
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as soon as i get back from iraq. im going to drive my happy *** over to speed inc. i emailed him yesterday. still waiting on the specs. i was figuring she was in the mid 400 range at the wheels. she gets pretty loose until 3rd gear even with some 275 M/T DR's out back.
Old 01-21-2009, 07:17 AM
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With a solid roller it should be well over 450rwhp, I would hope
Old 01-21-2009, 07:24 AM
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it's a solid roller with a t56

I'd say mid-high 400's atleast if not over 500
Old 01-21-2009, 02:32 PM
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Originally Posted by myltwon
it's a solid roller with a t56

I'd say mid-high 400's atleast if not over 500
I knew a guy who had AFR 220's that were cnc'd with a solid cam and it made 412rwhp through an auto w/4000 stall. Should have made more. Just a guess based on past experiences.
Old 01-21-2009, 03:12 PM
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Im thinking 450-500 depending on the cam.
Old 01-21-2009, 10:00 PM
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Originally Posted by SpeedDensityZ
I knew a guy who had AFR 220's that were cnc'd with a solid cam and it made 412rwhp through an auto w/4000 stall. Should have made more. Just a guess based on past experiences.
well that's also a stalled auto (since it's a 4000 stalled SR I imagine a TH350/400 was used) with most likely a heavy duty rearend, not exactly a dyno queen but still sounds pretty low

who ground the cam btw? any idea?
Old 01-21-2009, 11:27 PM
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Here are the cam specs
Intake: .595 Exhaust: .580
Duration @ .050 Intake: 278 Exhaust: 282
Lobe Separation: 112.0
Old 01-22-2009, 09:55 AM
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Originally Posted by daves94formula
Here are the cam specs
Intake: .595 Exhaust: .580
Duration @ .050 Intake: 278 Exhaust: 282
Lobe Separation: 112.0
Are you sure those duration numbers are at .050" lift?

I think that those are the duration numbers, but not at the standard .050", I think those are the advertised duration numbers at something like .006" lift.
Old 01-22-2009, 06:49 PM
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Originally Posted by myltwon
well that's also a stalled auto (since it's a 4000 stalled SR I imagine a TH350/400 was used) with most likely a heavy duty rearend, not exactly a dyno queen but still sounds pretty low

who ground the cam btw? any idea?
CompuCam. I think. Dunno.
Old 01-23-2009, 02:38 AM
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its a custom grind cam from comp. so im sure those are advertised and not the actual duration. ill check to see what the actual is on it.
Old 01-23-2009, 10:11 AM
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Originally Posted by daves94formula
its a custom grind cam from comp. so im sure those are advertised and not the actual duration. ill check to see what the actual is on it.
I agree, but you stated that the durations were at .050" lift, that's not the advertised lift.



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