The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

hemi43 · 07-10-2021, 05:08 PM

You will need to change the gear ratio if going overdrive especially with those tall tires.
Also, that engine will not be happy cruising at 2000 RPM especially if it has a cam in it.

07-10-2021, 05:08 PM	#4
hemi43 Registered User Join Date: Mar 2015 Location: Ontario Canada Posts: 1,501	Re: Blazer Overdrive 700R4 or 460LE You will need to change the gear ratio if going overdrive especially with those tall tires. Also, that engine will not be happy cruising at 2000 RPM especially if it has a cam in it.