Wrong driveshaft flange pattern
#1
Wrong driveshaft flange pattern
Alright guys, I am going about crazy here trying to find the right pattern to hook my driveshafts to my new third ARB pinion flanges.
I purchased the "triple drilled" flanges on the thirds that were supposed to be universal for all the patterns. My 1982 drive shafts only fit two of the holes (the spacing options on the triples are all too large).
As I have installed both 3rd members into the truck, I do not want to replace the pinion flanges, I would rather find the correct drive shaft flange pattern.
Does anyone know the dimensions of the flange hole differences, for the different years?
Thanks,
J
I purchased the "triple drilled" flanges on the thirds that were supposed to be universal for all the patterns. My 1982 drive shafts only fit two of the holes (the spacing options on the triples are all too large).
As I have installed both 3rd members into the truck, I do not want to replace the pinion flanges, I would rather find the correct drive shaft flange pattern.
Does anyone know the dimensions of the flange hole differences, for the different years?
Thanks,
J
#2
Registered User
Who did you order the flange from? Marlin's states that his fits our early gen 8mm bolt pattern. Maybe you're just not hitting the pattern right? like out 90°? The one for our drivelines should be the smallest bolt holes. IIRC you can only line everything up at 0 or 180° and if you went 90 or 270° it wouldn't line up. I could be wrong on that though, I always mark my driveline and flange with a piece of chalk when I pull them so they go back on in the same orientation.
It appears that the Trail Gear one IS NOT drilled for the early drivelines so you may be S.O.L.
You may have to find some '84 and up drivelines or get the marlin flanges (or sombody else who has the right pattern).
It appears that the Trail Gear one IS NOT drilled for the early drivelines so you may be S.O.L.
You may have to find some '84 and up drivelines or get the marlin flanges (or sombody else who has the right pattern).
Last edited by Bingle; 06-09-2015 at 01:33 PM.
#3
It is a trail gear.. And I feel pretty stupid. Somehow I thought the 84' would have the same flange as the 82.. which is wrong. It says right on their website 84 + for 10mm bolts.
Does anyone know if the 84 flange will mate to a 82' u-joint?
Thanks.
Does anyone know if the 84 flange will mate to a 82' u-joint?
Thanks.
#5
Registered User
Sucks when you miss a small detail like that and then it caused huge headaches.
#6
My Problem with removing them is that then I have to get back to the same pre-load with the units already under the truck. Not to mention buy or build a spanner wrench that fits the pattern so I don't put that stress on the gears.
yes this is a real, real headache for two holes that are only 1/4" out from fitting..
I read something interesting last night, that apparently is fine. Take of the flange (driveshaft side) turn it 90* to where there are no holes and re-drill all 4 new holes in 10mm. people say it works fine.
I do think you guys are right though, I probably need to be done with this old crap pattern, because this will come into play when I upgrade my transfer case- yada-yada.
Thank you for the responses.
yes this is a real, real headache for two holes that are only 1/4" out from fitting..
I read something interesting last night, that apparently is fine. Take of the flange (driveshaft side) turn it 90* to where there are no holes and re-drill all 4 new holes in 10mm. people say it works fine.
I do think you guys are right though, I probably need to be done with this old crap pattern, because this will come into play when I upgrade my transfer case- yada-yada.
Thank you for the responses.
#7
Also, your bolt pattern should be 64mmx56mm. I *THINK* that Marlin's tripled drilled flanges fit it, but I'm not certain. I've always wondered why they leave out the pre-84 pattern on these triple drilled flanges - they certainly have room on the flange to add one more pattern.
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#8
Registered User
I guess for anyone looking at this in the future here are the 2 I found that claim they WILL work with our pre-84 drivelines:
https://www.marlincrawler.com/axle/d...rential-flange
http://www.lowrangeoffroad.com/yotam...t-tdfp-lr.html
Hope this helps someone.
https://www.marlincrawler.com/axle/d...rential-flange
http://www.lowrangeoffroad.com/yotam...t-tdfp-lr.html
Hope this helps someone.
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