Non Pontiac Motors in Pontiacs includes factory 403,305,350 Chevy, Buick V6,
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Old 05-04-2011, 08:37 AM
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HWYSTR455 HWYSTR455 is offline
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Yeah, it's lowered about 2", ATS spindles, GW stuff, front uppers & lowers, springs, rear uppers & lowers, same as yours for the most part.

Has it been the same trans the whole time? And it's getting freshened up now? Had an issue with that? Might have been the output shaft causing it, since you had a prob there? Guess you'll know on that soon, so you will see.

Can look into the diag tools, there are certain harmonics that can indicate where the virbation is coming from, and also laser ones that can be used to measure. Believe there's one that has a transmitter you place on the balancer and pinion yoke, includes the entire driveline.

http://www.quartermidget.biz/products.asp?cat=58

http://dodgeram.info/tsb/1998/18-49-98.htm (look at the graph)

http://cgi.ebay.com/ebaymotors/Elect...-/250806120453

I know it can be frustrating, but stick with it, you'll ID it and get it corrected. If you end up tossing your arms in the air, try contacting a chassis builder/shop and have it looked at. A lot of the roundy-round guys deal with this stuff every day, and it's cake to them. Maybe even Schwartz, he could prob do it in his sleep. The rock crawler guys too, the are angle magicians.

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