Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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#381397 01/03/17 02:47 PM
Joined: Jul 2016
Posts: 26
Grease Monkey
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Grease Monkey
Joined: Jul 2016
Posts: 26
I have a 55 1ST with a 390 diff. I am thinking about changing the ring and pinion . Was there any options 373 ?

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riverdog #381398 01/03/17 03:02 PM
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ChatMaster - 25,000
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ChatMaster - 25,000
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The 1955 1st design truck shares the differential parts with the 1955 2nd design trucks.
The choices in 1955 was a 4.11 and a 3.90.
Jim Carter sells a 3.38 ring gear and pinion for a high speed replacement.
From 1959 and up Chevrolet offered a 3.38 ratio as an economy option.

Last edited by Chev Nut; 01/03/17 03:08 PM.

Gene Schneider
riverdog #381416 01/03/17 08:15 PM
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ChatMaster - 750
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ChatMaster - 750
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Mothertrucker #381419 01/03/17 08:54 PM
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ChatMaster - 25,000
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ChatMaster - 25,000
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That is the lowest price I have seen.


Gene Schneider
Chev Nut #381428 01/04/17 10:02 AM
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Grease Monkey
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Grease Monkey
Joined: Jul 2016
Posts: 26
Thanks for the info This site is great RIVERDOG


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