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Originally posted by st5150:
About 20 cfm and 25 HP.

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Posted by st5150 (Member # 51) on :
 
Here is a dyno test:


http://reality.exsgi.org/sawson/mycar/bop.html

(Note they had already installed the GT40 intake. Its important that the intake and heads match, or else you won't see big gains from just installing one or the other)
 

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Posted by Cobra97 (Member # 2809) on :
 
There is a good article on cylinder heads in this month's edition of MM&FF.
 

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Posted by phat50 (Member # 1998) on :
 
would i feel any deference from swiching from stock e7s to gt40 iron heads on my motor that got all bolt-ons but heads and cam or would i feel more of a defference with just swiching the cam?i know both would be good but chose one?
 

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Posted by 92coupe (Member # 1957) on :
 

quote:

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Originally posted by st5150:
Here is a dyno test:


http://reality.exsgi.org/sawson/mycar/bop.html

(Note they had already installed the GT40 intake. Its important that the intake and heads match, or else you won't see big gains from just installing one or the other)

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thats a good link, id like to see what a mild cam (e cam) or so would do though.
 

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Posted by xcessive50 (Member # 2995) on :
 
i used to have a 50 that had all the bolt ons including a 6lb paxton.stock cam. when i siezed the blower and took it off,the car was still pretty fast(nothing like with the blower though)I would think you might lose power with a cam and stock heads.(unless you port them maybe) just throw the heads on with some 1.72's. you'll feel it
 

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Posted by phat50 (Member # 1998) on :
 
thanx.
 

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