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#1347287 02/20/2020 7:30 PM
Joined: Jun 2018
Posts: 32
4
Wrench Fetcher
Wrench Fetcher
4 Offline
Joined: Jun 2018
Posts: 32
Ive got a 1947 GMC 300, is the front axle the same as the 1 ton?
For example can i just order new front spindles for a one ton and install them so i can have an 8 lug bolt patttern or is there more to it than that?


Logan
2010 Silverado 2500HD
1947 GMC 300
Joined: Jun 2011
Posts: 5,096
E
Crusing in the Passing Lane
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
What bolt pattern do you have now?

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: Jun 2018
Posts: 32
4
Wrench Fetcher
Wrench Fetcher
4 Offline
Joined: Jun 2018
Posts: 32
its a 5 lug, im afraid i dont know the spacing. i just dont want to have to find a whole axle if its not necessary


Logan
2010 Silverado 2500HD
1947 GMC 300
Joined: Jun 2011
Posts: 5,096
E
Crusing in the Passing Lane
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
Is the front axle 5 bolts and the rear 10, if so that setup is usually called 5/10 on 7.25" bolt circle, measure across bolts on rear to get diameter.

Ed


'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: Jun 2018
Posts: 32
4
Wrench Fetcher
Wrench Fetcher
4 Offline
Joined: Jun 2018
Posts: 32
5 lug front an rear. The actual axle looks normal size and something that would be on a half and 3/4 ton but im not sure


Logan
2010 Silverado 2500HD
1947 GMC 300

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