[QUOTE=nhramnl;625230]
Quote:
Originally Posted by Jerry Terry
You are right Greg the G Vans were horrible with rear end howling new or used years ago ive had race car rear ends that didnt howl as bad as them. going back to the original question go ahead and buy the good stuff now for a 12 bolt and then no worries.
The G-van rear axle howl was always kinda figured to be attributable to the fact that the operator was driving a huge "speaker" down the road. Or maybe better referred-to as a megaphone. Pickups probably had noise too, but you just couldn't hear it in the cab.
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The pick up had a separate body/frame construction so any noises created by a ring and pinion wouldn't have transferred through the body bushings between the frame and the cab. All the cars that were notorious for rear end noise were unit body as well. The van rear end and the truck were the same at that time(mid-late '70's, ) and they held up pretty well, but there could have been a lapse in the quality of the set ups. I don't know how they initially set up rear ends at the factory, but it could have needed some design engineering. My late aunt from decades ago bought a new 64 Nova wagon with a 283, a Glide and power steering and brakes. It was the first year for the 283 in the Nova and the first 10 bolt 8.20 rear end. It had a rear end howl at some speeds as well, and Novas had leaf springs attached to the unit body like the vans did. I don't remember anybody telling me that Chevelles of that era had that problem, but Chevelles always had a full frame. The Nova she had came out about 10 years prior to my entry into the world of car repairs and service. i did wish at one time I had the original block out of that car!!
10-06-2020, 02:56 PM
Re: question, G body 7.5 rear life
Re: question, G body 7.5 rear life
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