Jun 16, 2012 #1 johnmc Full Access Member Joined Jul 25, 2011 Posts 316 Reaction score 21 Location mass First Name john Truck Year 77 Truck Model k 10 Engine Size 305 tuneport injected I need to buy a set of gears .I have a 1986? 1/2 ton front end Is it a 8.5 or Dana 44? thanks john
Jun 16, 2012 #2 bucket Super Moderator Staff member Super Moderator Joined Aug 3, 2010 Posts 30,390 Reaction score 28,166 Location Usually not in Ohio First Name Andy Truck Year '77, '78, '79, '84, '88 Truck Model K5 thru K30 Engine Size 350-454 If it's original to that year, it's a 10 bolt.
Jun 17, 2012 #3 HotRodPC Administrator Staff member Admin Joined Aug 29, 2010 Posts 47,128 Reaction score 9,299 Location OKC, OK First Name HotRod Truck Year 85 K20 LWB Truck Model Silverado Engine Size 454 - Turbo 400 - 3.73 Jep, should oughta be if its OEM. What gear ratio you looking for?
Jun 18, 2012 #4 johnmc Full Access Member Joined Jul 25, 2011 Posts 316 Reaction score 21 Location mass First Name john Truck Year 77 Truck Model k 10 Engine Size 305 tuneport injected 4.56 gears to match the rear 4.56 gov locker i found the other day.