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J
TH350 transmission
I’m not sure of actual RPM but I know what high RPM sounds like. It currently has 33” tires, was told it had 35’s before. I believe this truck was an original OD transmission because it has an OD indicator on the dash gear indicator. No tach on the truck. I know this is a can of worms, just...- Just a Dad
- Post #3
- Forum: Introduction
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J
TH350 transmission
New to this group. Just bought an 84 K20 long bed with a 350 and recently rebuilt TH350 transmission. We will be driving this in 65-70 MPH speed zones. It really screams above 60MPH. What is a good recommended gear ratio to lower RPM’s and not lose a ton of bottom end. Thanks for any input...- Just a Dad
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- Replies: 6
- Forum: Introduction
