Racingjunk Forums

Racingjunk Forums (https://www.racingjunk.com/forums/index.php)
-   Engine Tech (https://www.racingjunk.com/forums/forumdisplay.php?f=9)
-   -   BBC HEADS (https://www.racingjunk.com/forums/showthread.php?t=30096)

RAPPTOR23 03-22-2011 02:12 PM

BBC HEADS
 
I NEED A HEAD WITH ABOUT 98 CC CHAMBER.. ALL HEADS I SEE ARE 112 TO 115 CC. THEY SAY THE DECK IS .400 THICK. IT CAN BE MILLED TO GET 108 CC OR LESS. WHAT HAPPENS TO, V/P CLEARENCE??THA VALVE LOOK DEEPER IN THE HEAD . I ASUME FROM THICKER D :shock: ECK??

markdunlap 03-22-2011 06:27 PM

BBC
 
Maybe you need different pistons to use 119 cc heads like most BBC's are?

V/P clearance goes away as you cut heads down, at some point needing piston valve pockets to be deepened, which weakens pistons. Back to pistons again, not heads.

RAPPTOR23 03-23-2011 12:48 PM

Re: BBC
 

Originally Posted by markdunlap
Maybe you need different pistons to use 119 cc heads like most BBC's are?

V/P clearance goes away as you cut heads down, at some point needing piston valve pockets to be deepened, which weakens pistons. Back to pistons again, not heads.

THANKS


All times are GMT -8. The time now is 09:27 PM.