Big Blue 1975 C30 --> K30 Conversion and other Upgrades. - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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Big Blue 1975 C30 --> K30 Conversion and other Upgrades.

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10-26-2019, 03:17 PM

Honest Bob

Registered User

Join Date: Jan 2017

Location: Easton PA

Posts: 215

Re: Big Blue

Quote:

Originally Posted by LT7A

Ambitious project! You are making strong efforts to keep the upper hand on corrosion in the future. Good work. I have a question. You mentioned 3.21 gears. I wasn't sure which differential you are referring to. Was it a 10 12 or 14 bolt?

Thanks! It was a matching 10 bolt and 14 bolt full floater. I sold them and went with 4:11's.

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1975 GMC C35 - Junk yard survivor.
1986 Pampered Private - M1009

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