Thread: Port matching intake to heads

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I am putting together a ZZ502 and am going with an Edlebrock intake.

I checked the gaskets to the head and they match up real close, but when I matched them to the intake the intake manifold ports are much smaller.

Should I grind out the intake manifold to match the gaskets?

This is not a race car and will be limited to 6000 rpm.

Car is a 1967 Nova with Richmond 6 speed and 3.73 rear gears.

Thanks for your advise!!!

you want the intake somewhat smaller about 060 to 080 all the way around the port.i would not do anything .you will not see any gain by opening up the port you could make things worse

Originally Posted by pat mccarthy

you want the intake somewhat smaller about 060 to 080 all the way around the port.i would not do anything .you will not see any gain by opening up the port you could make things worse

Yeah, you'll end up with a port that, in cross section, looks like an Anaconda that swallowed a pig.

Man---all these new technical phrases

anaconda that swallowed a pig

fine against a wall

not a race car

limited to 6000rpm

any others????


Blonde in elevator to another passenger ( T-G-I-F, thank goodness its Friday)
Other passenger in response to Blonde ( S-H-I-T, Sorry Honey, its Thursday)

yep i have many and some i can not post.. but i like the S-H-I-T one now thats funny i do not care who you are