Ported and polished heads........

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Aug 18, 2002 | 03:58 PM

#16

GoDogGo

Senior Member

Joined: Oct 2000

Posts: 364

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From: Houston, Tx.

Damn,
Another choice to make.
Looks like those heads flow about 25% better than stock - thats a pretty good increase!!
Chris

Aug 18, 2002 | 09:52 PM

#17

LTNSTKU

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Joined: Jun 2002

Posts: 30

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ANYBODY TRIED THE MOD MAX CAMS TO GO WITH THE HEADS

Aug 18, 2002 | 11:53 PM

#18

Frank5L

Member

Joined: Jun 2002

Posts: 85

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From: Searcy, AR

Quote:

What I CAN provide, is the improvement over a stock casting. A stock head flows 155 at .450 lift, 163 at .550 lift, and 171 at .600 lift on the intake side. On the exhaust side, a stock head flows 151 at .450 lift, and 153 at .500 lift and up.

The ModMax heads flow 196 at .450, 213 at .550, and 217 at .600 on the intake side. On the exhaust side, they flow 187 at .450, 193 at .550, and 195 at .600.

Is that within the stock cams' lift?!? I have no clue what the specs are on a factory cam. .600 is quite a bit on a push rod motor, but it might not be so much on a OHC motor, I just don't know (but I am sure its outside the stock lift). If the stock cams do not have that much lift, would ModMax cams be a good swap at the same time?

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