aftermarket overdrive?
aftermarket overdrive?
My dad made a good point earlier, why not just add an aftermarket/electric overdrive instead of going through so many hoops to get a 5th gear?
This seems like it would be a whole lot easier than having to swap transmission guts or cut/weld different bell housings and making sure everything is aligned properly
Just a thought
Not at all far-fetched. A neighbor of mine has a Dodge Ram, with the 5.9 Cummins, dualies on the rear axle; it has --um, I forget, either a 5- or a 6-speed original transmission. To which he added an after-transmission second gearbox, from a Mack truck. There's a splitter on the stick shift, so he has either 10 or 12 forward gears total. Before he retired, he used to haul fully-loaded full-size car-transport trailers up to and from Alaska with it.
Yeah I think if one could find one for cheap enough this would be much simpler than trying to make what would essentially be a "Franken-transmission", since it seems all you would really need to do would be to modify the drive shaft and come up with some sort of mounting brackets. Now I just need to find a cheap place to find these and do it lol
Might want to check gearvendors.com they specialize in electronic bolt on overdrive units. They cost more than most of us paid for our cars though Also I know Volvo made a manual gearbox with a electric overdrive factory installed on the back.
I was thinking the electric over drive from a Volvo 240 would be fairly strait forward modification it essentially bolts on the rear of the transmission some kind of bracket would need to be fabricated along with a drive shaft in and out of it!
(04-16-2012, 03:29 PM)Got Poof Might want to check gearvendors.com they specialize in electronic bolt on overdrive units. They cost more than most of us paid for our cars though Also I know Volvo made a manual gearbox with a electric overdrive factory installed on the back.
(04-16-2012, 03:58 PM)willbhere4u I was thinking the electric over drive from a Volvo 240 would be fairly strait forward modification it essentially bolts on the rear of the transmission some kind of bracket would need to be fabricated along with a drive shaft in and out of it!
(04-16-2012, 03:29 PM)Got Poof Might want to check gearvendors.com they specialize in electronic bolt on overdrive units. They cost more than most of us paid for our cars though Also I know Volvo made a manual gearbox with a electric overdrive factory installed on the back.
(04-16-2012, 03:58 PM)willbhere4u I was thinking the electric over drive from a Volvo 240 would be fairly strait forward modification it essentially bolts on the rear of the transmission some kind of bracket would need to be fabricated along with a drive shaft in and out of it!
If you do find what model they are in, there are over 100 Volvos to choose from near me. I’d be happy to help experiment with this idea
A lot of the 1980's Volvo 240 4spd cars had them look on the shift knob for the switch
So it appears we are searching for 200 series Volvos from 1974-93 with the M46 transmission, this is the one with the electrical overdrive unit installed from the factory. Not totally sure if it was an option all of those years or just some, but at least its a start.
As for the whole 8 gears thing, I'm not sure what I would really need 8 gears for, I guess it might come in handy at some point though lol
Shit, that's kinda the advantage of having that 2 speed shaft right. Pick out a good diff gear and maybe you can use like 6 of them.
Get a short rear like 3.87 or whatever they are. I've seen that shit on 240 or old ass 300d na. That's leave you a nice granny low
It would be nice for towing a trailer
Granny gear would be awesome for pulling stumps, and I would like to hopefully be able to pull my boat at some point if I ever get a hitch made up for the car
Haha I don't even want to think about what I would have to do to get the speedo working properly with one of these, especially if I put in a different rear end
Old Studebakers have a bolt on OD unit, too... Screw the speedo, use GPS...
Ed
My guess is the Volvo unit probably had the speedo cable at the back of it as well??????
That would make sense, if I actually get around to doing this I'm sure we will find out!
Muahahahahaha, I have sourced an overdrive unit for free!!! Turns out the rusted-out-beat-to-hell (from his descriptions) volvo my friend has is equipped with the M46 with the overdrive from the factory, and since he said he will be taking the car to PnP in a month or so I could have it free of charge!!
Everybody I've told about this plan has been like "why put an OD on a manual??", I guess they just don't understand diesel mercedes and the whole super-high-revving thing that they have going on while driving at highway speeds.
Anyway, I will keep everybody posted and try to document everything to the best of my ability for future reference, and create another thread in the "drivetrain" section of the forum for this whole project
Gear Vendors Overdrives suck.
(05-03-2012, 03:38 AM)sassparilla_kid Muahahahahaha, I have sourced an overdrive unit for free!!! Turns out the rusted-out-beat-to-hell (from his descriptions) volvo my friend has is equipped with the M46 with the overdrive from the factory, and since he said he will be taking the car to PnP in a month or so I could have it free of charge!!Did you ever put this OD in your driveline?
Everybody I've told about this plan has been like "why put an OD on a manual??", I guess they just don't understand diesel mercedes and the whole super-high-revving thing that they have going on while driving at highway speeds.
Anyway, I will keep everybody posted and try to document everything to the best of my ability for future reference, and create another thread in the "drivetrain" section of the forum for this whole project
(05-03-2012, 03:38 AM)sassparilla_kid Muahahahahaha, I have sourced an overdrive unit for free!!! Turns out the rusted-out-beat-to-hell (from his descriptions) volvo my friend has is equipped with the M46 with the overdrive from the factory, and since he said he will be taking the car to PnP in a month or so I could have it free of charge!!Did you ever put this OD in your driveline?
Everybody I've told about this plan has been like "why put an OD on a manual??", I guess they just don't understand diesel mercedes and the whole super-high-revving thing that they have going on while driving at highway speeds.
Anyway, I will keep everybody posted and try to document everything to the best of my ability for future reference, and create another thread in the "drivetrain" section of the forum for this whole project
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
http://gtsixing.blogspot.com/2012/01/ove...on_13.html
You could also put a transfer case in backwards, so that you would have a 1:1 "low" and a 1:1.96 "high"
larsalan I guess I need to look at this stupid ass drip shit. What you have to like mess with those elements on the pump? What a fucking hassle. then use some wire to hold the throttle open or some shit?
No I haven't tried it yet, I might in a couple months once I get my w116 up and running though
(02-05-2013, 02:03 PM)sassparilla_kid No I haven't tried it yet, I might in a couple months once I get my w116 up and running though
And that would be like super overdrive lol
(02-05-2013, 02:03 PM)sassparilla_kid No I haven't tried it yet, I might in a couple months once I get my w116 up and running though
And that would be like super overdrive lol
Who doesn't like a tight tunnel...
(02-05-2013, 04:26 PM)JB3(02-05-2013, 03:59 PM)led-panzer Who doesn't like a tight tunnel...
anyone who's spinning at 3500 RPM.
(02-05-2013, 04:26 PM)JB3(02-05-2013, 03:59 PM)led-panzer Who doesn't like a tight tunnel...
anyone who's spinning at 3500 RPM.
My original Scimitar gearbox had an overdrive on it. It effectively turned the box into an 8 speed box but using it in anything other than 3rd and 4th would rip it apart. Be careful what you get and make sure it can take the torque or it will be horribly unreliable. Probably easier and cheaper to get a 5 speed or better to be honest but the choice is yours.
ive heard of regearing a transfercase and turning it around. so if you could set yourself up with about a 20%-30% overdrive could be an interesting outcome. are we trying to find a splitter for an automatic. cuz if its a standard you could go with the torque splitter online. i believe they come with a 27% overdrive, and fit between the bellhousing an transmission. just some idears