GMC 5.3L Swap into a YJ [Archive]


Pirate4x4.Com > Brand Specific Tech > Jeep - Hardcore Tech > GMC 5.3L Swap into a YJ PDA : GMC 5.3L Swap into a YJ Grendel 07-21-2002, 09:27 AM Anyone done it? Pitfalls? I found an auto motor with everything. I am running a th350 that I may swap for a non computer controlled 700r4. Can I swap in a manual trannied computer and run with it? I mean this motor is COMPLETE and would make my YJ smog legal. Taso Stambolis 07-21-2002, 10:23 AM I saw that engine at www.hawaiiracing.com and it looks big and heavy. Grendel 07-21-2002, 10:36 AM Can't be heavier than my cast iron headed Chevy 350 now. It's all aluminum... Taso Stambolis 07-21-2002, 12:03 PM Originally posted by Grendel Can't be heavier than my cast iron headed Chevy 350 now. It's all aluminum... no its not. Its a cast iron block with aluminum heads. It has a 6 bolt main caps that give the block a Y shape like the old Hemis.