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Author Topic:   heat crossover
stroker21x
Dirt Full Roller

Total posts: 37
posted April 22, 2005 09:20 PM  
Ok I have a sbc 350 with a stock 313 cast iron two barrel intake and 305 heads,Now do I need to block of or restrict or leave open the center port heat crossover? I am using a 4412 holley 2 bbl any help would be great thanks...

BiggerBill
Dirt Maniac

Total posts: 129
posted April 22, 2005 09:38 PM  
Block off both sides, cooler fuel means more h.p.

avila
Dirt Freak

Total posts: 217
posted April 22, 2005 09:40 PM  
block it off , there is a gasket you
can buy for that.

rfb320
Dirt Maniac

Total posts: 150
posted April 23, 2005 07:04 AM  
If you buy the felpro performance intake gasket it will block those ports off.

Raz_900
Dirt Forum Champ
Total posts: 635
posted April 23, 2005 03:43 PM  
Felpro 1204 is the gasket you want. Has the ports already blocked off.

Eljojo
Dirt Forum Champ
Total posts: 968
posted April 23, 2005 03:47 PM  
I squirted mine full of silicone.

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