The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - What did you do to your truck today part IV

Pitpig · 11-07-2021, 09:58 AM

Have a converted short bed with an LS and a th 400. Had terrible vibration at 70 mph. Shimmed rear 2 degrees down and trans 1 degree up per spicer calculator. Problem solved

11-07-2021, 09:58 AM	#1367
Pitpig Registered User Join Date: Jan 2019 Location: Bonner Springs, KS Posts: 56	Re: What did you do to your truck today part IV Have a converted short bed with an LS and a th 400. Had terrible vibration at 70 mph. Shimmed rear 2 degrees down and trans 1 degree up per spicer calculator. Problem solved