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: What the Combustion Chamber Size on TBI Heads?

Smokehouse
10-08-2008, 07:23 AM
I am trying to figure out which pistons to get for my junkyard High compression propane fed TBI motor and I need to know the combustion chamber size/cc? Trying to get around 13:1.
OklahomaK5
10-08-2008, 08:19 AM
From Memory the TBI heads are 64cc and the Carb heads are 76cc. I know there is nearly a point gained in compression between the two stock motors and that is the only difference I know of in the motors. Besides the rear seal on the crank.
lilrick
10-08-2008, 08:48 AM
I am trying to figure out which pistons to get for my junkyard High compression propane fed TBI motor and I need to know the combustion chamber size/cc? Trying to get around 13:1.

BBC or SBC?
Grumpy_old_fart
10-08-2008, 09:53 AM
more than likely a small block.
cj8scrambld
10-08-2008, 10:40 AM
the 14102193 heads are like 65.3cc. Generally, they are considered 64cc, but most info I've seen has them listed for accuracy at 65.3cc......? I know the HD emission 5.7L TBI, 14102191 had a lower compression and I believe that was with a deeper recess in the piston.
Smokehouse
10-09-2008, 05:33 AM
Its a 350 out of a 93 suburban so I guessing its 65cc chambers. So a .275 dome should sufice. What is the hp guestimate on a 13:1 compression 350 with ported tbi heads, comp cams tpi cam with some 1.6 rockers for alittle more lift, a typhoon dual plane intake, headers, and propane?