bbc heads 049s or 781s???
#1
Senior Member
SENIOR BUILDER
Thread Starter
Join Date: Nov 2007
Location: indiana
Posts: 123
bbc heads 049s or 781s???
going to put 2.19 intake valves in and some bowl work what heads will do better and have higher comp? so say 049s some times have a 122cc combustion chamber?????
#4
Junior Member
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Join Date: Nov 2005
Posts: 1
Yes those heads can have huge chambers and ya gotta cc them..I had to get a lot milled my 049's to get it down to 118. I think the 049's/781's are pretty close in terms of port desgin&size. They flow well as even a stock set can flow 270 cfm on the intake!
#6
Member
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Join Date: Jun 2003
Location: ny
Posts: 85
I have a single bare reconditioned 820 head. Oven cleaned, shot blasted, mag checked, bronze liners honed to size, hardened exh seats, 3 angle valve job and resurfaced. 2.065 int and 1.72 exhaust. Casting #3993820.
$475.00.
(315) 343-6030 days
(315) 343-3666 eves
$475.00.
(315) 343-6030 days
(315) 343-3666 eves