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

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Old Jan 4, 2008 | 02:46 PM
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CRV3TT3's Avatar
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Hey man i was wondering if you could run this setup in your engine analyzer for me?! I have everything bought but the cam. A trusted friend of mine picked it, said it would compliment all aspects of my build.

If its not too much trouble could you run it with the stock l98 cam aswell as the cam listed below?

Stock L98 Short Block
Patriot 195cc Heads (2.050 intake valves and 1.6 exhaust valves) (Flow 265/185@.600")
Felpro 1003 Head Gaskets
SuperRam Plenum and Runners
Accel Base
Felpro 1205 Intake Gaskets
Custom Grind - 218/226@.050" .530"/.550" 114LSA
Paxton SN-93 - 7# w/oil cooler...if that matters. lol
1 5/8" Primary Hedman Longtubes
2 1/2" True Dual Exhaust with Bullet Cats and Magnaflows


Thanks!
Jon

Last edited by CRV3TT3; Jan 4, 2008 at 10:20 PM.
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Old Jan 5, 2008 | 03:45 AM
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I'd figure roughly about 500 at the crank with a conservative tune (218 cam), 400 at the crank with the stock cam.

Originally Posted by CRV3TT3
Hey man i was wondering if you could run this setup in your engine analyzer for me?! I have everything bought but the cam. A trusted friend of mine picked it, said it would compliment all aspects of my build.

If its not too much trouble could you run it with the stock l98 cam aswell as the cam listed below?

Stock L98 Short Block
Patriot 195cc Heads (2.050 intake valves and 1.6 exhaust valves) (Flow 265/185@.600")
Felpro 1003 Head Gaskets
SuperRam Plenum and Runners
Accel Base
Felpro 1205 Intake Gaskets
Custom Grind - 218/226@.050" .530"/.550" 114LSA
Paxton SN-93 - 7# w/oil cooler...if that matters. lol
1 5/8" Primary Hedman Longtubes
2 1/2" True Dual Exhaust with Bullet Cats and Magnaflows


Thanks!
Jon

Last edited by doug_dayson; Jan 5, 2008 at 03:49 AM.
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Old Jan 5, 2008 | 09:45 AM
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SuperL98
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Yes I can take a little time and do that
But .. your going to run into the same problem all us old Paxton users run into.
They are only good for about 425 to 450 hp tops, not enough Cfm's to produce much boost above that.
Then people try smaller pulley's and burn out the ball drive
I kept my combo very mild for that reason, and to pass emissions here.

Anyway, started with your old stock L98 with headers and 800 cfm exhaust, 4.25 pulley on SC (45000 imp/rpm@6000 eng/rpm) and then added the new parts one at a time.
SuperRam with a 48mm throttle.
Patriot 195 heads (got the flow #'s from their site), with 64cc compression dropped to about 8.8:1.
Put in your cam specs, installed straight up for now (my guess is it would have some advance built in?), used mild hyd roller setting & 1.5 rockers.



And you can see the boost drop here



More power is going to take a bigger blower
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Old Jan 5, 2008 | 02:29 PM
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From: Suffolk Va
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Thanks man! I owe you big time!
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