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1972 challenger front rotor torque? #1635485
06/18/14 08:33 PM
06/18/14 08:33 PM
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Posts: 25
GA
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Shoet1 Offline OP
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Shoet1  Offline OP
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GA
I am installing a disc brake kit on a 1972 challenger, I see there are a couple of different torque values for holding the hub on. Does anyone know the correct torque? Thanks.

Re: 1972 challenger front rotor torque? [Re: Shoet1] #1635486
06/18/14 09:22 PM
06/18/14 09:22 PM
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Posts: 21,073
Niles , Ohio
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therocks Offline
oh wait.but hey.lets see.oh yeah.
therocks  Offline
oh wait.but hey.lets see.oh yeah.
T

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Niles , Ohio
I torque all the wheels except the truck to either 90 or 100.Even with the Pro Stars they go to 90.Did it at work also.If mags good to recheck after say 10 miles or so.Rocky


Chrysler Firepower
Re: 1972 challenger front rotor torque? [Re: therocks] #1635487
06/18/14 09:28 PM
06/18/14 09:28 PM
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Posts: 1,801
McGregor,Iowa 52157
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500ciDuster Offline
top fuel
500ciDuster  Offline
top fuel
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McGregor,Iowa 52157
If its the (1)spindle nut that might be in inch pounds or just snug

Mitch

Re: 1972 challenger front rotor torque? [Re: 500ciDuster] #1635488
06/18/14 10:00 PM
06/18/14 10:00 PM
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Shoet1 Offline OP
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Shoet1  Offline OP
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Yes, it is the one big spindle nut, I read twenty ft lbs, then back off 90 degrees and hand tighten after that until the cotter pin goes in. Thoughts?

Re: 1972 challenger front rotor torque? [Re: Shoet1] #1635489
06/18/14 10:08 PM
06/18/14 10:08 PM
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1 Offline
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Challenger 1  Offline
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Cincinnati, Ohio
Quote:

Yes, it is the one big spindle nut, I read twenty ft lbs, then back off 90 degrees and hand tighten after that until the cotter pin goes in. Thoughts?



You read it wrong.

I have to look in my service manual for the pre load, but you want need some pre load which is more than hand tight.

Put it together and spin the rotor by hand while you snug the spindle nut with socket and rachet, one knoch past tight is when the cotter pin goes in.

Re: 1972 challenger front rotor torque? [Re: Shoet1] #1635490
06/18/14 10:10 PM
06/18/14 10:10 PM
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Posts: 4,848
Memphis
HemiRick Offline
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HemiRick  Offline
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Posts: 4,848
Memphis
That procedure sounds right the 20 ft lbs is to seat any new bearings. Then back off to loose, and tighten till the slack is just out, in use the assembly heats up and everything expands making the fit tighter.


Take care,
Rick
68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451






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