diff ideas

[Bugpac]

if a diff is a must have and the most economical is like 2400 bucks, and reverse is not necesary, why couldnt you,

modify a ford 9" or something along that line, im talking modifying like narrowing , enuff tube length to hold a bearing is it,i seen a place online moser engineering or something that will respline 55 bucks each, machine the outer end to accomidate a 930 cv, would be about 12 inch wide and you could turn the motor sideways, and if you had the housing chromed i think it would look as nice as most diffs. i think you could buy a rear end used and have the machining done for about 400 bucks " good guess i think". and actualy im thinking going u joint so i could just fit my yokes right to the axle, with a bolt on flange, and be 1/3 of the way to the wheel already.
just an idea like i said before in other post im trial and error im not claiming nio fame to knowing it all. let me know what you guys think.

[hotwheels000]

Where there is a will there is a way.
Keep in mind the wider the diff the wider you will have to make the rear of the car to get decent travel numbers and keep the axle angle in check

[Bugpac]

ya i know , there are a lot of small cars out there tho. i like the subaru diff that belmore uses "i think it was belmore" but its all about the money 4 or 500 compared to 3 or 4 k. im thinking that something readily available in a salvage yard "for gear options cheap and used" would work well.

[nutz4sand]

A few of the somewhat late model Thunderbirds (I think thats the ones) already have independant suspension on some and that would save you the work of modifing a full straigh axle. You should be able to get those diffs for about $50.00 or so. Any more and the scrap yard is stabbing yah bad. Also if you find a Ford Merkur (yes thats spelled right) they have 8.8 inch diff in an independant setup that uses german cv flanges right on it. Both these diffs do use cast iron casings though and add a bit of weight to your ride. The Honda CRV's have what seems to me to be the narrowest and smallest looking diff I have seen and it looks to be aluminum. Next time your following one ( especially the first years they made them) look how skinny they are an how long the axles are. I am looking at scrap yards for one of those myself and will pass on the hondas stock axles and machine off the factory drive cups and fab "normal" (German) cv flanges to them. I do not know the CRVS diff weight yet but it has to one of the lighter diffs out there. Bill

P.S. late model explorers also have independant diffs now. But heavy they are indeed.

[KWiKSand]

Why not just use the VW Diff like in that previous thread?

[nutz4sand]

You save weight and loose less HP with the VW diff mounted on bearings and for chain drive its hard to beat in cost. I guess the other diff options are for if you have a shaft drive motor sitting there to use. In small single seaters I like the open diffs. I have a couple diffs ( like a Audi lockable/ open diff that I plan to put in a large four seater and gear it deep for lady friends to drive around with thier kids in it. That way they decide how sane to drive thier kids : ) *I could not see using a 50 plus pound diff in a mini single seater myself. I also like the Comet open diff for light light light weight diff. I would NEVER beleive they would handle any real power but I flew out to Oregon to look at a Desert Kart Panther that a gentleman was selling with a 583 rotax in it. (You can see it on Desert Karts page of *Customers Karts. Its the Green one lower down.) That thing would pull so hard it was not funny and that was on gravel. I regret not buying it as one of the worse ideas I ever did not do for his price. But it did show me what the diff was capable of. I plan to use those diffs again but I will be using them in a different place in the driveline ( He used it right in the rear with a chain drive. Conventional style if you will.) *I plan to use it in a more RPM and less torque situation so it should have no probs ever. (I hope!) Bill

[nutnbolt2002]

The diff he is using in that green buggy a regular comet or has it been modified some what?

[nutz4sand]

My understanding was he only modified the output shafts to accept his versin of the cv flanges. I had at one time thought that Comet was making better quality parts for this diff and I thought I had even bookmarked the parts but when my last computer hard drive crashed I lost it and cannot find it now even on thier web site. I need to email them directly and ask I guess. But the diff in that one was pretty much the diff anyone can buy. That motor was a 583 rotax but he also made another with a three cylinder sled motor with a similiar setup and said it was holding up but I do not know how long it held up for or if he ever had trouble with it later. I have two triple cylinders sitting in the trailer now that I hope to make into rails and use this diff but will use it "upstream" on the drivetrain where it will deal with less torque and more speed so in theory its life should be longer. (I hope!) Bill

BTW Comet makes like five or more sets of different output shafts for this diff. Some are longer and some have splines ( not that match our CV's I don't think (We should try to get them to make that!!!!) and others have keyways etc. Look at them all before you buy ones you have to modifey if they make ones you could use out of the box! Bill

[elvergonmexicano]

Here´s the link to a very simple differential,..he adapted it to use VW CV´s....


http://www.bbssystem.com/viewtopic.php? ... fferential

Awesome buggy btw...

[Bugpac]

Originally Posted by elvergonmexicano\";p=\&quot

Here´s the link to a very simple differential,..he adapted it to use VW CV´s....


http://www.bbssystem.com/viewtopic.php? ... fferential

Awesome buggy btw...

pass that this way when your done, maybe we can all have a toke...