9.5 12 bolt vs 9.5 14 bolt - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Ziegelsteinfaust · Yesterday, 10:14 AM

I was reading supposedly you can use the 12 bolt gears in the 14 bolt.

My 9.5 14 bolt has 4.11 gears, and I would like 3.08 or 3.23 gears. Which would match my build concept better then 3.42.

Anyone ever try this swap?

**kwmech** · Yesterday, 01:09 PM

The later model 12b ----9.76 only has 3 ratios 3.23, 3.42, and 3.73 and will not interchange to my knowledge

Yesterday, 10:14 AM	#1
Ziegelsteinfaust Registered User Join Date: Dec 2012 Location: Temple City Posts: 3,655	9.5 12 bolt vs 9.5 14 bolt I was reading supposedly you can use the 12 bolt gears in the 14 bolt. My 9.5 14 bolt has 4.11 gears, and I would like 3.08 or 3.23 gears. Which would match my build concept better then 3.42. Anyone ever try this swap?

Yesterday, 01:09 PM	#2
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,694	Re: 9.5 12 bolt vs 9.5 14 bolt The later model 12b ----9.76 only has 3 ratios 3.23, 3.42, and 3.73 and will not interchange to my knowledge



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