Joined
·
159 Posts
The previous owner of my motor said the it has high compression. I don't know the exact numbers and realize that there is a good chance my question is unanswerable right now. I plan to get the compression numbers shortly. I am considering changing cams. Would I need to worry about the compression if I went from a 221/221 cam to a 212/212 or a 212/218 since the lower duration should raise the dynamic compression?
Also I have T&D roller rockers but do not know the ratio(previous owners doing). How can i find out this ratio?
EDIT: Compression test on all cylinders was within plus or minus 2 of 180. Thats on a cold motor. I donno if that helps with my question or not.
Also I have T&D roller rockers but do not know the ratio(previous owners doing). How can i find out this ratio?
EDIT: Compression test on all cylinders was within plus or minus 2 of 180. Thats on a cold motor. I donno if that helps with my question or not.