SD common block Qs

2005-01-31 Thread Moparmat2000
hi all i know the 89 up common block 2.2s and 2.5s used the same block, same rods, different crank, and different pistons right?? heres the deal i want to build a 2.5 turbo short block for my beater. i can score a free common block 2.2 N/A short block from my buddy that runs the local

Re: SD common block Qs

2005-01-31 Thread MOPARTEK
Mat, 2.2 and 2.5 use the same size bore, 3.445 is standard size. The difference is stroke, 3.62 for the 2.2 and 4.09 for the 2.5 The piston difference is because the pin is farther up the piston and the skirt is removed on a 2.5 for crank throw clearance. Hope this helps. Cliff Ramsdell VP