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04-01-2003, 11:35 PM
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#1 |
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Registered User
Join Date: Jan 2002
Location: Fayette, Alabama
Posts: 155
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Overdrive In A 1982
I was looking at a truck to buy. It is a 1982 1/2 ton with a 305, the trans selector has 1,2,3,n,r,park. with the word overdrive written across the top. What type of transmission would this probably be? The point being I would pull the 305 and replace with a 454. Should I also swap my th400 or use the tranny already in the truck?
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Fayette Alabama |
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04-01-2003, 11:56 PM
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#2 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Only the 82's and 83's had the selector that has the words Automatic Overdrive. The tranny is a 700R4. Unfortunately the 82-84 trannys were the worst. They only had a 27 spline shaft for the converter. Any stout block will strip the torque converter shaft. That is one reason GM went to a 30 spline shaft on 85 and later 700R4's. Use the 400TH or get a rebuilt 700R4 to last behind the 454.
The gear selector should be R-N-D-3-2-1 right? |
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04-02-2003, 12:12 AM
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#3 |
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Registered User
Join Date: Jan 2002
Location: Fayette, Alabama
Posts: 155
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Your right that is how the gear selector is set up. I believe the 400 would definately be the best bet.
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Fayette Alabama |
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04-02-2003, 02:23 PM
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#4 |
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Registered User
Join Date: Feb 2003
Location: Abilene Texas
Posts: 557
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i whould use the 700r4 as a mississippi mudcat trot line wait
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Project 82 ReBoRn http://67-72chevytrucks.com/vboard/s...d.php?t=441842 |
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