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**LostMy65** · 06-05-2021, 11:48 PM

Is it a 14-bolt floater or semi-floater?
Have you ran an rpm calculator to see what going with a 3:42 will give you for rpm's?

06-05-2021, 11:48 PM	#2
LostMy65 But Found Her 25yrs Later! Join Date: Oct 2010 Location: Oregon City, Oregon Posts: 10,497	Re: Next steps for the 63? Is it a 14-bolt floater or semi-floater? Have you ran an rpm calculator to see what going with a 3:42 will give you for rpm's? __________________ I lost my 65 - Found it 25 years later: http://67-72chevytrucks.com/vboard/s...d.php?t=426650 66 C20 Service Truck: http://67-72chevytrucks.com/vboard/s...d.php?t=428035