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post #1 of 3 (permalink) Old Sep 29th, 03, 03:06 PM Thread Starter
 
Join Date: Dec 2002
Posts: 451
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Ok, Here is the latest. After discovering that I had a broken inner spring, I removed my rockers so I could find the lift of my cam. This cam was in the shortblock I bought and I never knew what it was. Anyway after checking the lift of the lobes on all cylinders with the pushrods in and a dial indicator I found that the cams seems to have alot of ware. On the intake side it varies form .468 to 434, and on the exhaust its 452 to 421. these # have mutliplies by 1.52 The tech guy at Comp said I should have no more than .004 differance between lobes.

Sounds like new cam time. Here is my combo:

327 small journal
forged flat top pistons
vortec heads 195- 160 stainless valves
64cc
RPM air gap
edelbrock 600 cfm carb
M 20
3.08 rear but going to 3.56 or 3.73 someday

The Comp guy recommended a XE 262 H -

What do you guys think.

It's a driver but I want it to have a bumpy idle and I want it to run...

Dan.
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post #2 of 3 (permalink) Old Sep 30th, 03, 03:48 AM
Senior Tech
Eric
 
Join Date: Dec 2000
Location: Kentwood, MI
Posts: 8,097
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I agree with Comp. You DCR would be 8.0:1 with the XE262H.

Another choice would be the Isky 270 Megacam. Specs are 270* advertised, 221* @ .050, .465 lift, 108* LSA. Your DCR would be 7.9:1 with this cam.

The Isky would make more mid-range with a rougher idle and a softer low end. It would be more sensitive to gear ratio and would work better with a 3.73+ gear IMO.

E85 racer and E85 carb builder

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68 Camaro, E85 powered 427" small block. 9.96 @ 133 MPH, 1.319 sixty foot on motor. 5.92 eighth @ 116 with a 1.42 sixty breaking beams with back tire on the bottle
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post #3 of 3 (permalink) Old Oct 1st, 03, 01:20 AM Thread Starter
 
Join Date: Dec 2002
Posts: 451
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Eric, thanks for your imput. I think I'm leaning toword the 262. I also really like the tech support that Comp offers!

Dan.
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