1965 c10 ratio gears...swap..fitting help!!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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1965 c10 ratio gears...swap..fitting help!!!

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10-21-2017, 12:58 AM

Captainfab

60-66 Nut

Join Date: Mar 2007

Location: Coeur d'Alene, Idaho

Posts: 23,246

Re: 1965 c10 ratio gears...swap..fitting help!!!

They way GM originally intended the SM420, SM435 and SM465 to be driven during normal driving is to start out in 2nd gear. First gear is intended for getting very heavy loads moving or off road crawling at slow speeds. This is why they are most all geared the way they are. These trucks were intended to be used as trucks and engine RPM and highway speeds were not a concern.

Quote:

Originally Posted by Vincentnova

Yeah i would love to use the first one..
Always feel short to drive only 3 speed manual

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