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**Cali72K20** · 11-15-2013, 03:27 PM

budman k20
you have about the same set up as mine:
TH350 / 4:10 gears / 265/75R16
and mine is at about 4500 RPM's @ 65 mph.
Does the factory tach make a difference?
I have a 350 engine with a 5k tach, that is what is in it now, i have seen an 8K tach in others.

11-15-2013, 03:27 PM	#10
Cali72K20 Senior Member Join Date: Aug 2013 Location: Northern Santa Barbara County, California Posts: 2,731	Re: 4.11 gears and 287/75/16 budman k20 you have about the same set up as mine: TH350 / 4:10 gears / 265/75R16 and mine is at about 4500 RPM's @ 65 mph. Does the factory tach make a difference? I have a 350 engine with a 5k tach, that is what is in it now, i have seen an 8K tach in others.