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SVTPerformance's Chain of Restaurants
Road Side Pub
My Hellcat Experience
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<blockquote data-quote="kevinatfms" data-source="post: 16301979" data-attributes="member: 39344"><p>No clue why but the original gear set was the only set i ever had that never made any noise. Even a new set of brown box Ford OE line pulls in a 3.55 ratio whined. So maybe the gear set was perfectly set at the factory? No clue.</p><p></p><p>I tried setting up my 3.73's with 4-5 pinion shims to see if adding more or less preload would change the whine and it did nothing to change. They were a set of Ford Racing gears which i believe were cast by Motive? </p><p></p><p>On my 89 GT i never had a single issue with just swapping over the pinion shim, throw a new pinion bearing on it and setting lash. There was never any whine. I really believe it was the design of the housing changed more than just the stupid NVH prone 3rd link. The older quadra-bind rears never had the NVH issues of the later 3 link cars.</p></blockquote><p></p>
[QUOTE="kevinatfms, post: 16301979, member: 39344"] No clue why but the original gear set was the only set i ever had that never made any noise. Even a new set of brown box Ford OE line pulls in a 3.55 ratio whined. So maybe the gear set was perfectly set at the factory? No clue. I tried setting up my 3.73's with 4-5 pinion shims to see if adding more or less preload would change the whine and it did nothing to change. They were a set of Ford Racing gears which i believe were cast by Motive? On my 89 GT i never had a single issue with just swapping over the pinion shim, throw a new pinion bearing on it and setting lash. There was never any whine. I really believe it was the design of the housing changed more than just the stupid NVH prone 3rd link. The older quadra-bind rears never had the NVH issues of the later 3 link cars. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Road Side Pub
My Hellcat Experience
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