C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Searching Dyno graph on Stroker with SR.

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Old Aug 24, 2007 | 10:48 AM
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Default Searching Dyno graph on Stroker with SR.

Just trying to change a bit my Volumetric eff. on my chip.
The old engine (a 383 with 219 cam and slightly ported SR) was with a peak torque in the 3800 rpm range.
Now the car runs good but with the same VE table.
Now I have 396 cubes ( 3.875 stroke vs. 3.750) and the SR has a ported base to 1206 dimension. The cam is a Comp Cams custom 230/236 112 LsA. 580 lift with 1.6 's.
the old heads were 195 cc , the new ones 200cc intake.
So I'm fuguring if the max torque is over the 3,800 (due to the extra duration) or under the 3,800rpm (due to the extra cube).
I'm searching (preferably..) graph with cam with near 230 duration.
Thanks
-Beppe-
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Old Aug 24, 2007 | 02:16 PM
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I am supposed to have mine back within a week.

89
SR
383
AFR 195 Eliminators
Comp Cam 230/230 0.598" (with 1.6)

I want to dyno it fairly soon (after engine break-in) and I'll post results.

By the way, what were your prior dyno / track results?
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Old Aug 24, 2007 | 02:51 PM
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Sorry, no previous dyno results on the 383.
It blew at 3000 miles for improper gap on piston rings..
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Old Aug 24, 2007 | 03:05 PM
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Originally Posted by black_89_vette
I am supposed to have mine back within a week.

89
SR
383
AFR 195 Eliminators
Comp Cam 230/230 0.598" (with 1.6)

I want to dyno it fairly soon (after engine break-in) and I'll post results.

By the way, what were your prior dyno / track results?
Jerry. What springs are on these heads that you purchased?
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Old Aug 25, 2007 | 03:17 AM
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Rick, I am using the springs that came with the AFR heads. They are apparently good for a 0.600" lift on a hydraulic roller which I am under.
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