Shortened Jackshaft
Posted: Thu Apr 10, 2014 3:20 am
The jackshaft in my twin cam has been shortened to about 1/3 the original length by a PO.
I've been told that that's a mod racers used to do, but I wonder - does it actually yield a tangible benefit, especially for relatively mild street engine (i.e., std compression, SE cams)? And are there any drawbacks, other than not allowing a return to a mechanical fuel pump?
Rick
I've been told that that's a mod racers used to do, but I wonder - does it actually yield a tangible benefit, especially for relatively mild street engine (i.e., std compression, SE cams)? And are there any drawbacks, other than not allowing a return to a mechanical fuel pump?
Rick