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#1
09-17-2018, 01:02 PM
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3.90 rear gear for the 9.3"
Asking this here because I know the Big car for sale section doesnt get much traffic:
Anyone have a set of 3.90 or 4.10 gear for the 9.3? I have a 3.08 non posi so the 3.90 gears would make the swap a bolt in, getting ready to swap in a T56 to it. Need some higher numerical gears. |
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#2
10-02-2018, 09:08 AM
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TTT
Would be willing to pull both my non-posi 3.08 and 2.69 rear center sections toward trade for a higher numerical 3.73 to 4.30 gears. Posi not necessary but open to it! Needs to be 59-64 so I can utilize my 31spline axles. Thank you. Joel |
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#3
10-02-2018, 02:20 PM
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Since you already have a high gear carrier,your best bet for the money IMO is to buy a set of gears from Fabcraft as they are made for the high gear carrier.If you get factory gears you will need to run a spacer on your carrier,another expense.VERY hard to find low gear ratios without the posi carrier.Tom
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#4
10-03-2018, 08:55 AM
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Quote:
__________________
 Johnny US Army Retired1978 T/A 463 Pontiac, KRE 74cc 292CFM D-ports, Lunati VooDoo, V-max lifters, TKII, ATM 850 E85 carb, TCI TH-350 race tranny, 3600 converter 3.73 12 bolt 11.63@116.68mph 1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car. 1980 Formula 350 Pontiac back burner project 1972 LeMans 350 Pontiac |
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#5
10-03-2018, 10:15 AM
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pretty good buy if the shipping does not kill you!Tom
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#6
10-03-2018, 10:16 AM
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they would be either 29 or 31.57-58 29,59-64 31.Tom
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#7
10-03-2018, 10:25 AM
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Thanks Tom, the 4.10 one is definitely bigger. I'll take pics of both and count. The good news is that we have a Fastenol here, their shipping from store to store is very reasonable.
__________________
Johnny US Army Retired1978 T/A 463 Pontiac, KRE 74cc 292CFM D-ports, Lunati VooDoo, V-max lifters, TKII, ATM 850 E85 carb, TCI TH-350 race tranny, 3600 converter 3.73 12 bolt 11.63@116.68mph 1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car. 1980 Formula 350 Pontiac back burner project 1972 LeMans 350 Pontiac |
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#8
10-03-2018, 09:02 PM
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Johnny, let me know on spline count and shipping ASAP!
Wow, cool. Stoked! |
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#9
10-03-2018, 09:04 PM
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Also, Fastenol right by my work so that’s easy. 43015 zip.
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