black5.0lx

i was searching around and i read about the 331 being popular so i went to go looking for kits but couldnt find any and all i could find is 347 kits. then i read this that the only difference is the stroke is that true?

OneGearhead

yes, the stroke is the only difference between a 331 and a 347. both kits require a .030 bore(4.030 total), and the 331 uses a 3.250" stroke, while the 347 uses a 3.400" stroke. they both make somewhat the same hp, with the 347 maybe having a few more, but, the 347 makes more torque.

here. link to both. http://coasthigh.com/Assemblies/assembly_index.htm under "302", click any of them and it shows u all of them. good luck.