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Registered
Join Date: May 2005
Location: Loxahatchee, florida
Posts: 2,894
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Quote:
Originally Posted by Lapkritis
Are these killing the rocker shafts once the coating wears?
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OK so i have the engine apart For the EFI swap. I learned several things. First of all i had for a short time after market rocker shafts that walked and showed premature wear with these bushings. Those were replaced by genuine Porsche rocker shafts and run for about 30k miles in my turbo. Attached are some photos showing the coating mostly worn through which probably happened with the crappy rocker shafts. However the factory rocker shafts showed almost ZERO wear after 30 k miles. I couldn't measure any difference only a difference in the burnishing on the machined finish. So if C gar is still redoing rockers I will be sending these to him for a redo for the rebuild. I did them myself last time was less than happy with my own installation. I would definitely recommend these bushings and will use them again.
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88 turbo Guards red Targa slant nose, and yes I am a horsepower junkie, 3.4liter,7.5 to 1 JE pistons, Adjustable WUR, Imagine fuel head, 1 bar waste gate headers,allthe cis toys. Now apart to become the next EFI monster. fabbing my own intake, headers Individual throttle bodies, MS-3, pauter rods, Xtreme twin plugged heads, gt-2 evo cams cop's.
2019 Silverado 6.2L
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