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04-29-2018, 10:30 AM
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#1 |
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Registered User
Join Date: Jul 2012
Location: Space Coast, Florida
Posts: 403
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Stock 3.73 12 bolt is a 4 series?
Doesn't the stock 3.73 12 bolt truck use a 4 series carrier?
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1968 SWB Step Side, Big Block, 4L80E , Running! |
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04-29-2018, 10:52 AM
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#2 |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Stock 3.73 12 bolt is a 4 series?
I wouldn't put it that way. What you want to know is where the carrier breaks are. And for the 12-bolt truck the carrier breaks are at;
2.73-down 2.76-3.42 3.73-Up Whether I call that a 4-series is another story but it appears the answer to your question is "YES"
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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04-29-2018, 01:42 PM
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#3 |
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Registered User
Join Date: Jul 2015
Location: North East PA
Posts: 682
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Re: Stock 3.73 12 bolt is a 4 series?
Yes a stock GM truck 3.73 has a 4 series carrier in it
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