engine breaking up at low end
I am on my second Mopar Crate in about 7000 miles the first deronated the #8 piston in aout 5000 miles and the second is running like crap in about 2000 miles. The major problem is with the mopar cams they start to work about 3000 rpm, sorta gives that turbo feel. The best way to tune the engine is a new set of spark plugs, warm the engine set the idle at 2600 rpm (above 3000 with MSD or similiar after market box), set total timing, set idle speed and check timing for futurer reference. Initial timing is not important as long as the engine fires properly and shuts off without dieseling.