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easiest way to verify 4.56 gears with pic as requested

58 apache

58 apache

1/2 ton status
Joined
Aug 26, 2006
Posts
377
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Location
clarksville,Va home of the body bag
scored a 14bff. dude said it is 4.56. how do i verify that? 41 teeth on the ring gear. 2 total rotations of hubs = 4.5 rotations of the yoke. thanks
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Count the ring gear teeth (41) you said, now count the pinion teeth and divide the ring gear by the pinion gear and that's your gear ratio.
 
i was told this rear i picked up for 100 bucks had 456s this morning i double checked it had the 9 and 41 stamped in the ring gear so according to all the posts ive looked over this should indacate 456s :D
 
not to change the subject but 58 apache lets see a pic of your truck !!! i myself have a 58 and 57 . my 57 sits on a 70s chevy frame with 40 inch boggers . my 58 is taken apart for now . but i always love to see other peoples :laugh:
 
as it sits now... 406sbc 428hp @5000 525 tq @ 3800 built manual/auto th350 np208 on 31's just got the 14bff 4.56 lookin for a 60 but think im gonna do a 8 lug conversion for now. researchin lift. think im goin with a tuff country 6" all spring. i have 3" of body to clear bell housing(no choice) i have 37x13.5x16 baja claw radials on pro comp 7089 black alloys.... enjoy!!!
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If you pull the diff cover there should be a series of numbers stamped on the edge of the ring gear. They will tell you the ratio and the date of manufacture. Post up what is stamped on the ring and we can tell you what it is.

Ira
 
sorry took me a sec to notice the new foemat of things . :mad: whats up with that anyway i like the old way better. anyway nice truck :D
 
ive ride'n in that truck, that sucker flies with that 406sbc. its going to be a killer machine once its finally got the 37s on it!
 
muddybuddy, with your help hopefully the 37's arnt that far off...still gotta get front 8 lug conversion. and i gotta find the best price on tuff country soft ride 6". i still want that seat!!
 
pretty cool. got a 57 3/4 ton i've had for about 15 years. used to be my tow vehicle until I got my diesel truck. going to put the cab on a 74 chevy 1ton CC pretty soon.
 
Sweet truck man! I love the old apache trucks. What style.
 
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