Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
RV Trip Planning Discussions

Go Back   iRV2 Forums > iRV2.com COMMUNITY FORUMS > Vintage RV's
Click Here to Login
Join iRV2 Today

Mission Statement: Supporting thoughtful exchange of knowledge, values and experience among RV enthusiasts.
Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on iRV2
 
Thread Tools Search this Thread Display Modes
 
Old 04-24-2014, 08:57 PM   #29
Senior Member
 
Bob86ZZ4's Avatar
 
Join Date: Feb 2009
Location: St. Paul, MN
Posts: 412
There are two ways to do this. If you have the older TH400 3 speed transmission mated to the GM motor. A 4L80E trans can be put in most rigs. A good built one should cost about $3k. This will also require an electronic control box since the older trans wasn't set up for electronic controls. I think a box is about $100? A good mechanic should be able to install this trans. The drive shaft will need shortening. A good drive shaft shop does this for not much. Or, you can get a Gear Vendors overdrive unit. I think they're about $2k? www.gearvendors.com . Labor to install, drive shaft will need shortening. Either way you go when you have the drive shaft off it's a good time to replace the u-joints, get both shafts balanced and checked for straight. Gear Vendors units are very strong. They could probably tell you what the rpm reduction would be for your particular application. I put a Gear Vendors in my Vette. It drops my rpm's about 500 when cruising at 70 mph. I don't know if you'd be able to figure out accurately how much less fuel you would use with a 500 rpm reduction? Best would probably be to find people that have good mpg data before and after putting in a Gear Vendors.
__________________
www.bobwinsor.com
MN is home for now.
Bob86ZZ4 is offline   Reply With Quote
Join the #1 RV Forum Today - It's Totally Free!

iRV2.com RV Community - Are you about to start a new improvement on your RV or need some help with some maintenance? Do you need advice on what products to buy? Or maybe you can give others some advice? No matter where you fit in you'll find that iRV2 is a great community to join. Best of all it's totally FREE!

You are currently viewing our boards as a guest so you have limited access to our community. Please take the time to register and you will gain a lot of great new features including; the ability to participate in discussions, network with other RV owners, see fewer ads, upload photographs, create an RV blog, send private messages and so much, much more!

Reply



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Palazzo mods | upgrades gmadams Palazzo Motorhomes 1720 09-05-2021 06:45 PM
AC Upgrades - '98 Bounder ducted system Fl_Richard MH-General Discussions & Problems 2 03-29-2014 03:50 PM
Entegra 2015 Upgrades will be available for purchase brobox Entegra Owner's Forum 19 02-07-2014 05:22 AM
Upgrades to my Motorhome zzjea Class A Motorhome Discussions 13 12-05-2013 02:16 PM
Cabinet upgrades done dukenrock iRV2.com General Discussion 12 11-27-2013 03:31 PM

» Featured Campgrounds

Reviews provided by


All times are GMT -6. The time now is 08:41 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.