Engine and Transmission Tech

tips, technology, tools and techniques related to vehicle driveline components

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Tonyshortshanks
Tony Weston

(1 posts)

Registered:
10/07/2011 03:18AM

Main British Car:
Rear axle ratios for Spicer 27
Posted by: Tonyshortshanks
Date: October 08, 2011 02:14PM

I need a 3.07 ring&pinion for my VOLVO PV544, it is now powered by a Rover 3500cc V8 with an auto box. Any help would be appreciated, where can I source this item? I have looked in all the usual places on the internet.


mgb260
Jim Nichols
Sequim,WA
(2464 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Rear axle ratios for Spicer 27
Posted by: mgb260
Date: October 10, 2011 12:20PM

Look in older Jeep Wagoneers front axles. I don't know about 3.07 but 3.31 was common.


Bill Young
Bill Young
Kansas City, MO
(1337 posts)

Registered:
10/23/2007 09:23AM

Main British Car:
'73 MG Midget V6 , '59 MGA I6 2.8 GM, 4.0 Jeep

authors avatar
Re: Rear axle ratios for Spicer 27
Posted by: Bill Young
Date: October 10, 2011 03:41PM

Jim, if he uses the ring and pinion from a front axle in a RWD application won't he be running on the coast side of the gears? Not the best for good gear life and quite operation.
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mgb260
Jim Nichols
Sequim,WA
(2464 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Rear axle ratios for Spicer 27
Posted by: mgb260
Date: October 10, 2011 06:34PM

Bill, He would if they were reverse cut. Some front axles, like the Dana 27 and 30 were the same as rear axle and you are right in that application werent as strong as the reverse cut high pinion Dana 44 in a 70's F150. Toyota IFS were regular cut as rear also and I did an article a while back on using them as IRS. The IFS 8.8 in my newer F150 is reverse cut.


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