409hp @ 6k rpm and 427lb ft of torque @ 3500rpm? - CorvetteForum - Chevrolet Corvette Forum Discussion



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409hp @ 6k rpm and 427lb ft of torque @ 3500rpm?

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Old 09-09-2012, 09:51 PM   #1
SPC Meyer
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Default 409hp @ 6k rpm and 427lb ft of torque @ 3500rpm?

I was thinking of tryin to build an engine using these specs,
this is out of Ryans engine combination and bible site.
(Combos 93 to 100)

http://www.ryanscarpage.50megs.com/combos13.html

Displacement: 350 cu. in.

Carburetor: Holley 750 double-pumper

Heads: GM L31 Vortecs, pocket-ported, with 1.94/1.50 in. valves

Intake: Edelbrock Performer RPM Vortec

Camshaft: Comp Cams Xtreme Energy 268 hydraulic, with
0.478/0.480 in. of lift and 224/230 of duration @ 0.050 in. of lift.

Exhaust: Hedman 1 5/8 in. headers

Distributor: HEI

Comp. Ratio: 9.4:1

MAX HP: 409 @ 6000
MAX Torque: 427 @ 3500

The vette I have is a 78 with a 3.08 rear and freshly rebuilt TH350 with original stall torque converter.

My question is, how would an engine act that reaches its peak torque way before max HP is reached. I chose it cause it looks cheap to build "non roller cam". What would be a good stall speed and rear end gear. Thanks

Last edited by SPC Meyer; 09-09-2012 at 10:20 PM.
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Old 09-12-2012, 10:19 AM   #2
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24-2600 stall

3.50-3.70 gear
700r would be really fun with the lower first gear, would pull OD just fine on the hwy

Wouldnt sweat where torque/hp peaks are on this one
With an AFR 180 head that combo would really tear it up on the street!!
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Old 09-13-2012, 10:31 PM   #3
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Quote:
Originally Posted by SPC Meyer View Post
My question is, how would an engine act that reaches its peak torque way before max HP is reached.
That makes it way fun to drive...
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