53003jason
New member
When measuring CCs where do measure the top of the fill line on the head or the top of the fill bolt? How close should you get the min tolerance?
I am assuming you are using an approved cc tool(Ladd) I am not aware of them having fill lines. The chamber is filled with 26.5cc of MM oil and rolled over TDC no fluid is allowed to overflow tool.
The cc tool seems like a waste of money. If an engine holds 27cc to the top of the spark plug threads, what will it hold with the cc tool?? Thanks for any help
I tried to cc a engine that has been ran with MM, and it leaked past the rings fast enough I couldn't get a good reading??? And, it makes great power still.
Never had one leak down like that, what would it show on a leak down test? I know the air pressure will seal the rings up some but the oil does also.
I shoot for .300 just to be on the safe side then assemble and CC. normally we remove .025 off head after we CC. never know what the head will CC so I sneak up on it.How many people out there are building motors using the .290" total depth method including low side of piston in hole + head gasket thickness + depth to top of combustion chamber? What is the accuracy of this? What is the normal range of piston in hole measurement before the accuracy gets skewed by too much of the total being full bore diameter (for example a piston .040" in the hole would have to affect total cc volume).
I tried to cc a engine that has been ran with MM, and it leaked past the rings fast enough I couldn't get a good reading??? And, it makes great power still.
The cc tool seems like a waste of money. If an engine holds 27cc to the top of the spark plug threads, what will it hold with the cc tool?? Thanks for any help
Has anyone checked this method against the approved AKRA cc tech procedure? Also, rougly how many cc's does the stock dished piston add? I'm sure there is some variation, but should be within a CC...