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Aug 21, 2013 | 06:37 AM

#1

broketruckjohn

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From: Cumming Ga.

courious

i have a 92 f150 xlt lariat 6 cyl died put in 92 302 .40 over pistons edelbrock dual plane intake edelbrock 650 carb accel high energy ing mallory points dist shorty headders roller cam any ideas on comp ratio and appx h/p also has summit 1790 cam [whole kit lifters double roller gears ]

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Aug 21, 2013 | 07:50 AM

#2

Conanski

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From: Ottawa, Ontario

Hope you didn't use roller lifters with that flat tappet cam.

With stock heads it'll never make more than about 275-280hp.

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Aug 22, 2013 | 01:06 PM

#3

broketruckjohn

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From: Cumming Ga.

no the cam and lifters came as a set.the truck is pertty much stock,axles 5 spd.truck is daily driver and work truck just wanted a little more grunt out of it

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Aug 22, 2013 | 03:34 PM

#4

baddad457

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From: south louisiana

Comp ratio could be anywhere from 7 to 1 to 9.5 to 1, depending on what pistons were used and what heads are on it. HP is any ones guess.

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Aug 24, 2013 | 06:26 PM

#5

broketruckjohn

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From: Cumming Ga.

i have a pair of 351-C heads 2-V think there early 70s would they work on my 302 and will it make any difference

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Aug 24, 2013 | 10:23 PM

#6

85e150

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Quote:

Originally Posted by broketruckjohn

i have a pair of 351-C heads 2-V think there early 70s would they work on my 302 and will it make any difference

They will not work without modification, and it won't make any difference.

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