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"Thumping" sound on decel?
any thoughts on what to look at? Im not sure if its just a byproduct of tolerances in the aftermarket parts or what
Truetrac 31 spline diff
Moser 31 spline axles (with c-clips)
FRPP 4.10s
MT ET streets in case that somehow matters.
Also has Steed upper and lower control arms (might be transmitting more noise?)
on decel I'll get a rotational thumping type noise from the rear of the car. If I put moderate pressure on the brake pedal it will stop.
When originally chasing this I found that my rotor pros rotors had a little wobble to them (we'rent true). Those have been replaced, did not check the new ones before installing them. I also saw that the driver side rear rotor was very close to the caliper bracket, I spaced the bracket out with washers and now both sides the rotor appears to be pretty well centered in the caliper. Apparently thats not uncommon with aftermarket axles.
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03 dsg mach1 - MPR built 9.5:1 motor, D1, cams, ported intake, full exhaust, magnum t56, built rear, E85 etc...
'12 F150 FX2 Supercrew with Ecoboost daily beater
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