Quote:
Originally Posted by HPE650Ragtop
Not stock. Maggie, headers, high flow cats, cam, heads ported, Hennessey tune, kw variant 3 coil overs. All done at 30 miles. No issues for over 8k. At around 7,500 I added a janetty posi mod and Drive Shaft Shop 1400hp half shafts. Trouble started about a month later. It started slow with a very slight vibration and got steadily worse over 500 miles. Just changed the rear wheels, still no chage in the vibration. Stock half shafts are going back in tomorrow night.
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Obviously the problem is in the KW coilovers
1. Start with bolts and torque values. Confirm all sensitive nuts are to spec and that all others are to German spec Gudentight.
2. Before you pull the shafts, try #1
That it has become 'steadily worse' would indicate some thing coming loose, wearing or tearing. adriveline joint, a slightly torn bush tearing more (diff bushes, sub-frame) or wear in the joints.
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