-----Original Message-----
From: Rich Gallagher <rgallagrrr@mcn.net>
To: Laney, Clifton <clifton.laney@intel.com>
Date: Tuesday, October 19, 1999 5:30 PM
Subject: Re: [oletrucks] 3/4 ton Rear End
>I, like Keith Breuer, am looking for a solution to too low a rear end. Our
>problem is with our 50 1 ton 5:14 rear end. Instead of switching the whole
>third member, I thought I heard on this list that the ring and pinion gears
>only need to be switched and that those gears from a 3/4 ton later Chevy (I
>recall through early 1970s) are interchangeable with the original 5:14 ring
>and pinion. I really want to keep the original axel and wheels (dual
>7X18s). Can anyone tell me whether its possible to switch only the ring
and
>pinion gears on our truck to get a rear end ratio for highway speeds? Even
>a 4:11 would be a significant improvement, I think. I did check with
>Patricks and they don't make their conversion for our truck. Any ideas
>would be appreciated.
>
>Rich Gallagher
>-----Original Message-----
>From: Laney, Clifton <clifton.laney@intel.com>
>To: 'Keith Breuer' <kbreuer@sgi.net>; oletrucks@autox.team.net
><oletrucks@autox.team.net>
>Date: Tuesday, October 19, 1999 4:45 PM
>Subject: RE: [oletrucks] 3/4 ton Rear End
>
>
>>I have a '49 3/4 ton and changed out the 4.56 rear end with a 4.11 from a
>>'72 Chevy van. Just drop the drive shaft, pull the rear axles, and unbolt
>>the 3rd member as a unit and bolt in the replacement. That and a nice set
>>of tall 16" tires lowered my RPM at 55 MPH from around 3400 to 3000.
>>(actually made it possible for me to keep up with traffic).
>>
>>Now I'm working on getting my Borg-Warner 3 spd overdrive tranny wired up.
>>Anyone know where I can buy that manual solenoid conversion kit I've read
>>about? I wrote the machine shop that supposedly handles them (since the
>>inventor passed away) but got no reply.
>>
>>Cliff
>>'49 3600
>>
>>-----Original Message-----
>>From: Keith Breuer [mailto:kbreuer@sgi.net]
>>Sent: Monday, October 18, 1999 6:38 PM
>>To: oletrucks@autox.team.net
>>Subject: [oletrucks] 3/4 ton Rear End
>>
>>
>>Hi all, this is my first "posting" to this list so if I get something
>>wrong let me know.
>>
>>I have a 1947 2nd Series 3/4 ton with the painfully slow 4.56 rear
>>end. I have heard that this rear-end was used through 1972 but with
>>some better gear ratio's. Is this true?
>>
>>If it is true, what would need to be done to put one on my '47? are
>>the housing's the same and could I swap the whole rear, or could I
>>just use the ring and pinion out of a newer rear end?
>>
>>If this is all possible, what ratio's were offered in what years?
>>
>>
>>Finally, would it be worth it? If the ratio of the newer rear is 4.11,
>>would that buy me better gas milage or a better cruising speed to
>>justify doing the swap.
>>
>>
>>Thanks in advance
>>
>>Keith
>>Keith Breuer
>>kbreuer@sgi.net
>>
>>---------------------------------
>>My 1947 3/4 ton Chevy Web Site
>>
>>http://www3.cybercities.com/k/kbreuer/
>>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>>oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
>>
>
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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