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Old 01-16-2004, 05:09 PM
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Intake port matching AFR heads

I am about to purchase an Edelbrock RPM Performer (maybe the Air Gap) intake manifold and intake gaskets, it looks like my AFR 195 heads need a little intake porting, so I am going to port match the intake manifold and head intakes.

From reading the board all the time it appears that several people have experience with AFR heads, so I hoping someone has the answer to the following question

Can anybody tell me the correct Fel-Pro (or other brand) 400sbc gasket that matches the AFR 195 heads????

The intake port size on the heads is 1.280” X 2.090” with a 3/8” radius, Fel-Pro has a gasket that matches the dimensions but AFR says it does not line up correctly to the intake ports.

Any help is greatly appreciated.

406chevelle

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Old 01-16-2004, 05:51 PM
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AFR lists the suggested gaskets to use with their heads. They also have their own brand of gaskets.

The problem I had installing the Edelbrock RPM Air Gap intake to the AFR 190cc heads was the large gap (About 3/16") at the front and rear of the intake to the block.

AFR sells spacers in different thickness for this problem. I made my own.

My engine is a 350. The 400 should be similar as to the installation.

I didn't match the intake ports.

Great heads and intake!
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Old 01-16-2004, 06:26 PM
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Thanks for the info Frisco.

Now I won’t freak out if there is a large gap, I will also make some spacers.

I just talk to an AFR tech and he said that the recommended gasket AFR part #6810 is the same as the Fel-Pro gasket and not to port match to it, he said to make a template of the head intake ports and scribe them on to the intake manifold, OK this works for me, but the recommended gasket is bigger that the head intake ports, is it going to be a problem having the intake gasket bigger that my port matched heads and intake manifold ports????

Sorry for being long winded.

406chevelle
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