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Post by oldsproject on Nov 17, 2009 10:24:17 GMT -5
A buddy of mine has a 10 bolt posi unit off a 3.90. Question, will it work with 3.23's if I change the ring gear?
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Deleted
Deleted Member
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Post by Deleted on Nov 17, 2009 16:48:17 GMT -5
Have you checked with Greg Rollins at SuperCars Unlimited?
He's pretty good with this stuff. Ph# 503-516-2099
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Post by BR[] on Nov 17, 2009 18:36:25 GMT -5
3:23 is a series 3 rearend and the 3:90 is a series 4. not gonna happen........if you're trying to put it in the series 3 rearend.
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Post by oldsproject on Nov 17, 2009 19:13:13 GMT -5
3:23 is a series 3 rearend and the 3:90 is a series 4. not gonna happen........if you're trying to put it in the series 3 rearend. Thanks Br[], BTW can you elaborate on the differances between a series 3 and 4? |
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Post by BR[] on Nov 17, 2009 22:13:57 GMT -5
(Series 4 will accept 3:90 to 4:88's) larger, heavier carrier and bearings
(Series 3 ranged from 308 to 355's)
(Series 2 went up to 2:78's)
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Post by oldsproject on Nov 18, 2009 0:06:12 GMT -5
(Series 4 will accept 3:90 to 4:88's) larger, heavier carrier and bearings (Series 3 ranged from 308 to 355's) (Series 2 went uo to 2:78's) Thanks BR[], so assuming the same thing holds true for 2 & 3 series? Example, you couldn't use a posi unit from a 2.73 for a 3.08? |
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Post by BR[] on Nov 18, 2009 7:45:34 GMT -5
That's questionable......... just like the 3:90's fit the series 4. I'm not 100% sure just where the cut of point is on the series 2.
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Deleted
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Post by Deleted on Nov 18, 2009 21:00:37 GMT -5
That's some good info there BRO- Man.
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Post by boba65442 on Nov 26, 2009 14:07:19 GMT -5
Does anyone know if a posi rear from a 65 cutlass will bolt into a 65 Custom Vista with a 120" wheelbase. I don't think the longer wheelbase matters but I just want to check if there is anything different becuase its a wagon.
Thanks,
Bob
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Post by BR[] on Nov 26, 2009 14:37:00 GMT -5
Like stated above................ you have to determine the series and then find a posi that matches it or a rear that matches your posi.
Why worry about posi on a wagon?
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Post by boba65442 on Nov 26, 2009 20:40:10 GMT -5
BRO,
I have 2 65 posi rears, a 308 and a 355, the 308 is still in the parts car and I might sell it. Just got the Vista this past week, probably would not put a posi in the wagon, but just thinking about possibilities and plans.
Thanks,
Bob
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Post by oldsproject on Nov 26, 2009 21:09:41 GMT -5
BRO, I have 2 65 posi rears, a 308 and a 355, the 308 is still in the parts car and I might sell it. Just got the Vista this past week, probably would not put a posi in the wagon, but just thinking about possibilities and plans. Thanks, Bob Let me know what you want for the posi gear on the 308. I've got a peg leg 308 that I'd like to convert. Just need the posi unit. |
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