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General Forums => The Mess Hall => Topic started by: FourbangerYJ on September 25, 2009, 10:03:58 AM
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In searching for a used case for my D20 I found a guy that has 3 EB D20's. I don't have alot of info yet but it sounds like they are complete cases. Not sure if they are the T- shift or J shift. Mine is a T shift which has the lower gearing. Anyway he wants IIRC $50.00 each. These are a small T-case at 10 inches from mounting surface to middle of the output yoke on the rear. They are pretty heavy at around 80# so shipping might be costly. Just thought I would thow it out there. I might pick up one if it's the right case. Can't go wrong for $50.
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it doesnt have a slip yoke,correct?
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No slip yokes they are a fixed yoke like a D300 or Atlas. They can also be twin sticked.
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I was looking into it at one point trying to get around expensive sye kits. But eventually settled on a used sye for $160. The 20 is gear driven too stronger than chain.
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Do you run one. what is spline count? Info always appreciated. may consider for my next yj. thats right i want 2
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how hard would that be to put behind the ax-5 or even ax-15 if i did the conversion
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Do you run one. what is spline count? Info always appreciated. may consider for my next yj. thats right i want 2
I am not sure on the spline count. It might be only a 10 spline. how hard would that be to put behind the ax-5 or even ax-15 if i did the conversion
I have not done alot of reasearch on who makes adapters. I needed a adapter to get the Klune to mate up to the D20. I know my Klune has a 21 spline input for the AX5 and a 23 spline output for the D20 adapter. But there is a spud shaft that goes between the Klune and the D20 the Klune end has 23 splines and I am not sure on the D20 end.
They are a nice T-case but they do lack gearing. They come either 2.46 for the T shift and only 2.34 for the J shift. There is some aftermarket gears for them Tera has some 3:15 gears and O'brien has some 4:1 and 4:86 gears but his are very expensive!
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I have not done alot of reasearch on who makes adapters. I needed a adapter to get the Klune to mate up to the D20. I know my Klune has a 21 spline input for the AX5 and a 23 spline output for the D20 adapter. But there is a spud shaft that goes between the Klune and the D20 the Klune end has 23 splines and I am not sure on the D20 end.
They are a nice T-case but they do lack gearing. They come either 2.46 for the T shift and only 2.34 for the J shift. There is some aftermarket gears for them Tera has some 3:15 gears and O'brien has some 4:1 and 4:86 gears but his are very expensive!
if it's 23 spline so is AX-15 or NV3550 - not sure of the bolt patter, D300 will bolt to the AX15 or to the NV3550 with little mods (2 holes have to be elongated) - if the D20 has the same pattern could work, not sure on the sealing around the shaft or input bearing housing but i'm assuming since your k-lune worked that could be ok since was probably meant to mate with the np231 (so extrapolating here i would assume that the D20 could be fitted to an AX15). the NV3550 should be a better option since it seals on the output shaft (i think the AX15 uses the np231 input to seal, for sure that is the case with the AX5).
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Too bad no one makes a kit to bolt the D20 to the AX-5. I would guess at most it would require a 1" spacer and a spud shaft.
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My adapter is about an inch. It's a NV4500-D300? adapter from AA. It is a shame that there is not a big enough demand for the AX5- D20 adapter. But you could always add a Klune :whistle:
The NP435 (Ford) or T18 would be a nice set up if you didn't need 5th gear.
Novak makes a AX5- D300 adapter, they might have a flip kit for the D300 too.
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A D300 would be cool but having to flip it is just an additional cost which isn't cool. I think I'll eventually go with an Atlas 4 when the time comes. I think my chain is what's making noise at higher seeds since it wasn't really designed to be spinning at 65-70MPH. Gotta drop the front shaft and see if it quiets up.
I think I'd rather run a Ford D20 then a D300 with a flip though.
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Isn't the Ford 20 geared higher?
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The 4 speed was not around when I did all this. If it was I think I would go that route VS the Klune-D20. But I wish they had the 4.3/2.7 4 speed.
The only way I could afford to do the whole thing was by buying what I could afford and gathering the parts little by little. With the 4 speed it's a pretty big pill to swallow all at once, plus D-shafts.
Both the D300 and D20 are nice cases. Their biggest weak link is the output shaft strength, but with the motors we run I don't think it's a problem. Most of the stories I have heard is the V8 crowd with leadfoot driving styles. I don't miss the chain.
My buddy with the Klune-231 has not had any trouble with his. I don't think he is running the wide chain. But his is a trailer queen, with not alot of street miles. That is still not a bad option either.
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Isn't the Ford 20 geared higher?
Depending on which case you have. The 66-72 (Tshift) have 2.46:1 the 73-77 (Jshift) has 2.34:1 all the D300's came with 2.62:1 So ya they are geared higher.
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A D300 would be cool but having to flip it is just an additional cost which isn't cool.
you don't need a "flip kit" to flip the 300 ( - i did it with the AA twin shifter kit, but you don't necessarily need that, you can make your own but it give me a headstart. you can see it here http://4bangerjp.com/forums/index.php/topic,6984.msg51408.html#msg51408
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Turns out they are all J shift so I am going to pass on one for a spare.