Small Block & Big Block Chevy Specific Mouse & Rat Motor Discussion & Conversions

What kinda HP should this setup make?

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Old Feb 18, 2008 | 11:27 AM
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Default What kinda HP should this setup make?

388 stroker
Eagle crank & rods. .60 Over
Keith Black Pistons 10.5 -1 comp. MSD Dist
Roller Rockers, Wieand Intake. Holly Carb,
400 heads with 1.94 1.60 valves, ARP Bolts
COMP CAMS CAM Specs Below
Basic Operating RPM Range: 2,500-6,500
Advertised Duration: 292 int./292 exh.
Valve Lift with Factory Rocker Arm Ratio: 0.501 int./0.501 exh. lift
Lobe Separation (degrees): 110
Grind Number: CS 292H-10
@ flywheel?
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Old Feb 18, 2008 | 11:54 AM
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320 maybe 335-340 tops.
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Old Feb 18, 2008 | 12:04 PM
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Off the top of my head I was thinking somewhere around 350. Maybe a little less. Is this what you are thinkin about runnin or do you already have the set up?
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Old Feb 18, 2008 | 12:12 PM
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all ready have it and looking to sell its a fresh rebuild.
what do you thing i could ask for it?
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Old Feb 18, 2008 | 12:43 PM
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Originally Posted by Chevy_Stroke
all ready have it and looking to sell its a fresh rebuild.
what do you thing i could ask for it?

Not really sure. How much do you have in it? I know you probably won't get that out of it but it's a good place to start.
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Old Feb 18, 2008 | 02:27 PM
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maybe $700
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Old Feb 18, 2008 | 03:29 PM
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Originally Posted by moge11
320 maybe 335-340 tops.
i dont see any reason why that engine shouldn't be making closer to 400 horse
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Old Feb 18, 2008 | 03:53 PM
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thats what i thought.
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Old Feb 18, 2008 | 04:00 PM
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Originally Posted by 1994Z28Lt1
i dont see any reason why that engine shouldn't be making closer to 400 horse
the heads are junk thats whats killing the motor
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Old Feb 18, 2008 | 04:33 PM
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what kinda heads should i use that wont cost ton?
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Old Feb 18, 2008 | 04:56 PM
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Originally Posted by Chevy_Stroke
what kinda heads should i use that wont cost ton?
depends on what CC the heads you have on there, but you could pick up some vortec heads cheap <600 but they have 64 CC chambers so it depends how your compression would sit afterwords

there are tons of better flowing aftermarket head for a lot more money though
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Old Feb 18, 2008 | 09:51 PM
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If you are looking to sell it, why would you put different heads on it. Are you looking to drop it in something if you can put down better numbers?
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Old Feb 19, 2008 | 06:05 AM
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If I can make it make decent power cheap ill keep it.
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Old Feb 19, 2008 | 09:04 AM
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Depends on what "cheap" is to you I guess. A set of budget vortec heads would really wake that motor up and push you well past 400hp.....BUT---Most of the 400 heads had 76cc chambers IIRC. If you're already at 10.5:1 static compression with them, your compression would shoot into race gas territory with vortec heads since they're 64cc. Define "cheap" and you'll get some suggestions on what you can afford.
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Old Feb 19, 2008 | 03:29 PM
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prolly $700-$900
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Old Feb 19, 2008 | 10:06 PM
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Agreed that the heads are going to the major limiting factor on HP production on that motor. Also what exact intake and carb are you running?
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Old Feb 20, 2008 | 06:28 AM
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Weiand 7546 X-CELerator
when i get new heads im goin with a air gap.
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