2023年6月7日 · I have a 67 GTO with a 400 engine and a TH400 transmisson. It has 4.10 rear end gears and I would like to go to 3.55. My local mechanic says Pontiac rear ends are unique …

2008年11月21日 · Jim---I have 3.36 gearing in both my GTO's. My '65 is a 4 speed car and my '67 is an automatic. My '65 had a 3.90 gear (It came new with a 3.55 posi) and I changed the …

2014年3月2日 · I put a rear from a 66 Lemans in my 72. I was told the 64-66 rears are 2" narrower than the 67-72 rears. But, any A-body 64-72 rear can be swapped into any 64-72 A-body car. …

2015年2月9日 · I am restoring a 1967 GTO and have started at upgrading the rear end. I knew it was an open rear. This weekend I looked into the ratio. Couldn't read the stampings so I …

2024年11月5日 · I am getting conflicting opinions on what is the correct width 12 bolt to replace the factory 10 bolt in my '67 GTO. Some say the '66/'67 Chevelle 12 bolt is correct and others …

2021年4月29日 · The 65-67 rear ends are about 1/2 narrower overall on each side than the 68-72 rears. depending on your wheel backspacing and tire size, that may create rubbing issues for …

2010年1月11日 · On my 67 lemans be fore the rebuild I had 15x8 weld pro stars. 225/15 on front with a 4.5 bs on front and a 275/60/15 drag radial on the rear with a 5 or 5.25 (not sure have to …

2021年12月4日 · I just took the rear bumper off my 67 GTO as part of the rebuild process and it has never fit very well, It was shifted too far to the drivers side and their were gaps between …

2018年6月23日 · Here I have a '67 GTO in the overhaul process. Here's two questions from a novice: 1) Looking at my back seat it's complete but pretty rough. As s minimum I'll need to …

2012年12月4日 · The rear seat is to narrow to fill the space on the 64-67 so you have 2 choices. 1- leave it and fill the outer spaces with a bolster- this is the quicker solution but is does not …