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Discussion Starter #1
Hi guys,

what is the recommended air filter to hood clearance? 289 in a 66 with standard engine mounts.

Thanks
 

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I'm comfortable with a 1/2" regardless of the mounts. Be sure to check the stud length and wing nut as well. I've seen that go wrong!
 

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Ditto on Nailbender. Last time I swapped my engine I had a 1" spacer on top of an E-Brock Performer 351 intake and a 3" air filter. Couldn't close the hood :)
Swapped to a 2" air filter and I have to crank the filter nut down pretty tight. I'm living with about 3/16" clearance and it's working fine.
 

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I ran a 1/2" separator beneath a Holly XE Carb with a 2.5" filter on a Performer RPM. Don't forget the drop bases. They work, as I use one. The whole shebang was close, but worked. They do provide additional clearance
 

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Discussion Starter #5
Thanks guys. Right now I have 0.8 inches but I’m thinking of adding a spacer gasket which would drop the clearance to 0.55 inches.




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