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#42067 05/24/2004 12:40 AM | Joined: Apr 2004 Posts: 36 Member | | Member Joined: Apr 2004 Posts: 36 | Are the new replacement ring and pinion sets any quieter than the originals or do they have the same old howl? I'm thinking of rebuilding my original with a taller gear and disk brakes but I would like it to be as quiet as a modern diff. any experiances shared would be appreciated.
Larry
P.S. I have a 56 Sub,283, and am building it to get a lot of miles in its future. | | |
#42068 05/24/2004 1:43 AM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | When I replaced the entire rear under my '55 sub it got a lot quieter. Of course, the front seal was gone, and so were the pinion bearings...
Going from to 3.08 gears lowered the engine noise too.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
#42069 05/24/2004 3:29 AM | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | yeah Larry - the noise is age - needs new bearings and the gears are prolly worn - my noisey 57 rear gears were chipped and just replacing the gears w/ used of same year helped, new pinion bearing did the rest
Bill | | |
#42070 05/24/2004 5:27 AM | Joined: Mar 2004 Posts: 83 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 83 | Old Sub,
What year/model rear end did you use to get the 3.08 gears? Is it a 5 or six lug rear? My donor 55 GMC rearend sat too long in the WA humidity, and looks like I'll only be able to save the center section as I will have to use a cutting torch to get the drums off. Hopefully can save the backing plates and brake parts. Most likely will weld the perches on the 48 rear, and swap the third-member and have a driveline built. Tired of replacing the front u-joint at $50 a pop. ANd I like driving it too much to leave it be. It currently is my daily driver, since fixing the accelerator pump in the carb, and since the Datsun is down for a brake rebuild.... But the 48 gets better mileage than the 94 454 Sub.... Gotta get the Datsun back on the road as these gas prices are out of control....
Garry
Garry K in Pac Nor West
1948 Chevy PU 235 SM420 4 spd
1932 **** B pu
1964 Datsun 4x4 with SBC, SM465 4spd and Rockwell xfer Dana 44Fr and 12 Bolt Rr.
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#42071 05/24/2004 3:34 PM | Joined: Feb 2004 Posts: 29,805 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,805 | Garry - - - Before you fire up the torch, try this: Get a can of Kroil from Kano Laboratories in Nashville, Tennessee, and soak the drum/axle area with it. This stuff is fantastic at breaking loose rust! I've used it to free up engines that sat out in the weather for years. www.kanolabs.com Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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#42072 05/24/2004 6:49 PM | Joined: Sep 2001 Posts: 466 Shop Shark | | Shop Shark Joined: Sep 2001 Posts: 466 | I put 3.38 gears in my 55.1 and now it is VERY quite compared to the Original, worn out, whinny gears. Also brought the RPMs down to make engine noise a little less. Then I put on new tires to quite the road noise.
Buddy in AK | | |
#42073 05/24/2004 7:58 PM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Originally posted by Garry K:
Old Sub,
What year/model rear end did you use to get the 3.08 gears? Is it a 5 or six lug rear? '73 Chevelle wagon with 5 lugs. I bought the entire car for just $10. Had to cut the coil spring mounts off and weld on spring pads. I'm so pleased with it that I've located another Chevelle wagon which I plan to get the rear from. I have a '55 1st pickup that I'm told has a '58 rear under it. I've not idea what ratio it might be, but apparently it fit easy enough.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
#42074 05/25/2004 1:54 AM | Joined: Apr 2004 Posts: 36 Member | | Member Joined: Apr 2004 Posts: 36 | Thanks for the replys gentlemen, but I am now undecided. Hmmmm, modern or restore the old? Once you make up your mind the rest is easy.
Larry | | |
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