The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - New rear gears for 65 230 manual, suggestions?

**Captainfab** · 06-20-2018, 12:29 AM

I agree on first determining exactly what rear gears your truck has. I would guess 3.73's as it is the most common. Depending on your tire diameter, I would go with a 3.42 or 3.07 gear. The 3.07 gear will make the most noticable difference.

06-20-2018, 12:29 AM	#4
Captainfab 60-66 Nut Join Date: Mar 2007 Location: Coeur d'Alene, Idaho Posts: 23,246	Re: New rear gears for 65 230 manual, suggestions? I agree on first determining exactly what rear gears your truck has. I would guess 3.73's as it is the most common. Depending on your tire diameter, I would go with a 3.42 or 3.07 gear. The 3.07 gear will make the most noticable difference. __________________ Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE