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#1 |
Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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12 bolt 3.73 Carrier Series????
Summit sells Richmond 3.73's in a 3 series carrier and a 4 series carrier...Which one do i need for my now 3.07 12 bolt??
and do i need to buy 3.73 posi gears or do i just get 3.73 gears, or is there even an option, are all 3.73's the same??? I hope i was clear...And where can i see a full line of EATON products online???? Thanks Jason
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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#2 |
Account Suspended
Join Date: Jun 2000
Location: over yonder
Posts: 14,270
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What about the set of 3:73 N.O.S. GM gears i offered?
![]() You sent me a PM saying that you wanted them......but havent hear anything back from you since...... Last edited by Shane; 11-22-2002 at 09:34 PM. |
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#3 |
Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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Sorry I left you hanging.
My dad says he will get everything we need here in town... But thank you very much for your time Thanks Jason
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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#4 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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The factory put the 3.73s on a 4 series carrier. If you already have a 3 series posi carrier, you need the 3.73s designed for the 3 series carrier. If you are purchasing a posi, I would go for a 4 series unit, & 4 series gears....crazy AL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#5 |
Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
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I forgot one thing though..
I have never seen a positraction for sale, I mean just the posi...Where can i see one and where is the best and cheapest place if any to buy one.???I do have the summit and Jegs catalogs.. Thanks Jason
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7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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#6 |
Project 7dos
Join Date: Aug 2001
Location: Abilene, Texas
Posts: 876
|
ttt
__________________
7DOS - 1972 C-10 350/350 Porterbuilt/Accuair 20x8.5/20x10 Ride Low or Die PSSST - Yes it's bagged. 7dos build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=610290 |
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#7 |
Registered User
Join Date: Mar 2002
Location: Springfield, VA
Posts: 460
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If I remember correctly (because I have already gone through this) there is a slight difference between the carriers and the ring gear diameters. Summit Racing can set you up but you will need the number off of your differential, on the top right inboard axle housing. I used Summit Racing and Richmond gears and everything worked out fine.
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1971 Shortbed 350/350 w/ Posi-traction 3:73's 1996 Chevy Silverado TJ in Springfield, Virginia Likes old Chevy trucks Drinks Miller MGD ![]() |
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#8 |
Registered User
Join Date: May 2002
Location: Woodstock, GA USA
Posts: 300
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Carrier and Gears
I have a Gov Lock 3 series carrier and a set of 3.73 gears for sale. The gears do NOT fit the carrier. Let me know if you are interested.
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Bill Durham http://home.attbi.com/~bulldurham 72 Cheyenne Restoration in progress Currently: frame sand blasted and powdercoated, Inline Tube brake and fuel lines, Blazer tank in rear, Holley Red electronic fuel pump, Eaton posi with 3.42 gears, 2 1/2" drop front spindles, 4" drop rear springs with adjustable panhard bar, KYB shocks, ZZ 502/502 GM Performance crate engine, Zoops brackets and pulleys, Vintage Air, dual electric fans, Ram Air II hood and late model sport side bed. |
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#9 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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I dont like to cause prob's....but toss d@mn that gov lock in the trash & get on with your projects! it junk.....period! Spoken with all the honesty that i have.........69 longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#10 |
Registered User
Join Date: May 2002
Location: Woodstock, GA USA
Posts: 300
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Why do you think I put an Eaton in mine!
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Bill Durham http://home.attbi.com/~bulldurham 72 Cheyenne Restoration in progress Currently: frame sand blasted and powdercoated, Inline Tube brake and fuel lines, Blazer tank in rear, Holley Red electronic fuel pump, Eaton posi with 3.42 gears, 2 1/2" drop front spindles, 4" drop rear springs with adjustable panhard bar, KYB shocks, ZZ 502/502 GM Performance crate engine, Zoops brackets and pulleys, Vintage Air, dual electric fans, Ram Air II hood and late model sport side bed. |
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#11 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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My guess, for the same reason Im runnin that eaton ......they work........longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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