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Size of wing nut for spare tire hold down on '70 Chall? #106592
08/17/08 06:05 PM
08/17/08 06:05 PM
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stan1970 Offline OP
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stan1970  Offline OP
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Anyone know the bolt size of the spare tire hold down on a 1970 Challenger? I need to find a suitable bolt and wing nut to keep my tire down.

I recall these looked like about 1/2" diameter, but it's been a long time since I've seen one up close.

thanks !

Re: Size of wing nut for spare tire hold down on '70 Chall? [Re: stan1970] #106593
08/17/08 09:02 PM
08/17/08 09:02 PM
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Posts: 1,038
Howell, Mi
Shatar4 Offline
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Shatar4  Offline
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Howell, Mi
3/8-16 wing nut. Silver Zinc finish.

The spare tire hold down rod is Phosphate finish and depending if you have a Inflator type spare or a Conventional type spare are different lenghts.

Inflator type is 7.50 long with 75% threads on rod.
Conventional spare is 10.50 long with 25% threads on rod.

Re: Size of wing nut for spare tire hold down on '70 Chall? [Re: Shatar4] #106594
08/17/08 09:10 PM
08/17/08 09:10 PM
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stan1970 Offline OP
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Great info! Thanks a lot!







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