What brand Ring & Pinion are you running in your 8.75 rear? - Moparts Forums

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What brand Ring & Pinion are you running in your 8.75 rear? #2624626 02/22/19 11:49 AM 02/22/19 11:49 AM
Joined: Apr 2012 Posts: 1,562 Macomb, MI V vinnyd76 OP pro stock
vinnyd76 OP pro stock V Joined: Apr 2012 Posts: 1,562 Macomb, MI	What brand/ratio ring and pinion are you running in your 8.75 rear axle? This 340 (10:1 compression) A-Body Mopar will most likely see a majority of time on the street and some strip. Case is a 489.

Re: What brand Ring & Pinion are you running in your 8.75 rear? [Re: vinnyd76] #2624668 02/22/19 01:23 PM 02/22/19 01:23 PM
Joined: Oct 2004 Posts: 2,807 Connecticut FurryStump master
FurryStump master Joined: Oct 2004 Posts: 2,807 Connecticut	I have run 3:23 and 3:72?and 4:10. 4:10 is a bit much, but the best gear for me. 3:72 or 3:91 for street car leaning towards 3:7, I run yukon gear 4:10’s IIRC. but there is only a couple of manufacturers. best of 11.39 at 117 mph 1.60 60’. 68 340 S Barracuda Fastback F.A.S.T [IMG]http://i67.tinypic.com/2mnnnnt.jpg[/IMG]

Re: What brand Ring & Pinion are you running in your 8.75 rear? [Re: vinnyd76] #2624678 02/22/19 01:50 PM 02/22/19 01:50 PM
Joined: Jan 2003 Posts: 1,334 Oregon E earlymopar pro stock
earlymopar pro stock E Joined: Jan 2003 Posts: 1,334 Oregon	This one from Dr. Diff: https://www.doctordiff.com/8-3-4-ring-and-pinion.html Mine is a 3.91 ratio. I'm running a 31" tall tire and a TKO-600 (5-speed). - EM

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