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View Full Version : gt 40 combustion chamber size


brncoupe5.0
02-07-2008, 12:46 PM
Can any one help me what size are the chambers and what compression will I have from milling 10 ths off Thanks
mustangoutlaw
02-07-2008, 01:28 PM
they are 64cc from the factory! you should get them checked if you have them milled, then you take all the guess work out!
theyallslow
02-07-2008, 02:04 PM
.010 off a head is still going to keep you at about 64cc. if not 64cc then a high 63cc.
brncoupe5.0
02-07-2008, 02:29 PM
how much can I take off n/a engine and still run pump gas
theyallslow
02-07-2008, 03:39 PM
there is more to this then you think. you are going to have to talk with a shop about that. if you are going to all that work of taking the heads off the car, you may want to pull the cam and so on and so on. talk it over with shop and see what they can do for ya.