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Old 05-20-2008, 07:12 AM   #1
Michael Mayben
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Default Dana/Spicer Transfer Case Guapo

Let's use this thread for discussing anything related to the Dana/spicer d18/d20/d300 transfer cases as used in ihc applications.
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Old 10-16-2008, 06:44 PM   #2
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Default Re: Dana/Spicer Transfer Case Guapo

Anybody installed a set of Bronco dana20 2.46 gears in their Scout case, I here you gota do some grind'n inside the case?
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Old 10-17-2008, 09:39 AM   #3
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Default Re: Dana/Spicer Transfer Case Guapo

I've got no experience with that goldie...but as soon as I get home, I'll find out fromma bubba that does! But Jeff, Chad, or others around here will prolly chime in before that happens!

Peace and love? Ya gotta be in eugene!

Hang on...we'll be back!
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Old 04-21-2009, 09:08 AM   #4
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Default Re: Dana/Spicer Transfer Case Guapo

So, I have some questions regarding a Dana 300 to nv4500 (early GM gas version, '93-'95) gearbox set up. From digging around in the IH Parts America store, I don't see an adapter for this. I found one on advance adapters however, 50-0205
Im finding that the IH Dana 300 is different than the heep Dana 300, but I didnt see any place listing what those differences are. Id like to know what those differences are, and im also assuming the parts from each are not interchangeable? I already have the nv4500 so I definitely going to use that. I also like the Dana 300, so im just trying to figure out a plan of attack for that.
Ultimately this is set up is going to be installed in an 800B I'm slowly working on. If there is another transfercase that someone suggests over the d300, chime in. I know there's the atlas and all, but I want to keep this a little less expensive. It seems I could get a good d300, adapter and a 4:1 kit for less than an atlas. If anyone has some experience with this, I'd like to hear it as well. Thanks a lot. Taker easy!
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Old 04-21-2009, 12:49 PM   #5
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Default Re: Dana/Spicer Transfer Case Guapo

If your getting any form of adapter from your transmission to t-case, go with the Jeep d300.

The Jeep d300 has a round bolt pattern, which is identical to np231, 241, Ford & some Chevy np205s, etc. Etc. (spline inputs will be different on many of those cases though).

The Scout d300 has the "texas" bolt pattern, which is identical to d18 & d20s. Hence the popularity of Scout d300 for swapping into older jeeps & scouts for the d18 or d20.

Depending on location, supply and demand, who you know, Jeep 300s run from $150-$400, while Scout 300s run in the $300-$800 range (way too high in my opinion, but I guess it's a supply thing).
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Old 04-21-2009, 01:26 PM   #6
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Default Re: Dana/Spicer Transfer Case Guapo

Matt,

I agree with what mocha said. Go with the Jeep Dana 300 as parts availability are more readily available and cheaper. Also if you ever do decide to switch to an atlas or stak transfer case you will already have the proper adapter on the back of your nv4500. As for any advance adapter part we are a wholesale distributor for aa so please try us first when considering your order. The 50-0205 from us retails for $531.25 - a $55 savings. Remember we don't list every part that we sell or stock online so please call or email if you don't see what you're looking for.
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Old 04-21-2009, 02:09 PM   #7
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Default Re: Dana/Spicer Transfer Case Guapo

Thanks mochamike and Jeff!
I now remember something in my memory about different bolt patterns.
So from the sounds of it, that aa kit is the only way to adapt the nv4500 to the Dana 300.
Jeff, I always look to you guys for my parts since you've always been super easy to do business with. I guess I just missed the fact that youre an aa dealer, I didnt scroll to see the logo, I just went straight for the parts listing online.
Thanks again guys, now on to finding my Dana 300!
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Old 04-07-2010, 03:55 PM   #8
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Default T'case removal 101

I am trying to remove the d18 from a 63 s-80. Everything I can see and read says there are 5 bolts. I have removed 4 from the rear of the tranny and the one on the passenger side attaching it to the rubber mount.

I have also removed the input gear under the sheet metal cover and still it doesn't want to pull off the tranny.

This isn't that hard. What am I missing?

Lyle
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Old 04-07-2010, 04:46 PM   #9
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Default Re: Dana/Spicer Transfer Case Guapo

There should be 5 on the texas shaped mounting pattern....
2 on top, to on either side/middle, 1 at the bottom...

Look at this gasket:


If you are certain you have removed all mounting bolts.
Try a dead-blow hammer.

If rtv was used as a gasket, it can act like rubber glue.
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Old 04-07-2010, 06:15 PM   #10
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Default Re: Dana/Spicer Transfer Case Guapo

Lyle, you're probably missing the pita(pain in the ass) one which is almost buried in the casting under a thick veneer of dirt dried oil. It would be about the 5 o'clock position in Mike's picture and it's one of those you can only turn one flat at a time.
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Old 04-07-2010, 06:16 PM   #11
Lyle Wiese
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Default Re: Dana/Spicer Transfer Case Guapo

Quote:
Originally Posted by mochamike View Post
there should be 5 on the texas shaped mounting pattern....
2 on top, to on either side/middle, 1 at the bottom...

Look at this gasket:


If you are certain you have removed all mounting bolts.
Try a dead-blow hammer.

If rtv was used as a gasket, it can act like rubber glue.
Thanks, Mike. I think I have missed one. I'll crawl under it again Tomorrow and check. There is so much crud on this thing, the bolt head is probably buried under it. It took a 1/2 hour to dig out the bolt on the rubber mount.

Lyle
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Old 04-07-2010, 06:19 PM   #12
Lyle Wiese
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Default Re: Dana/Spicer Transfer Case Guapo

Quote:
Originally Posted by greg r View Post
lyle, you're probably missing the pita(pain in the ass) one which is almost buried in the casting under a thick veneer of dirt dried oil. It would be about the 5 o'clock position in Mike's picture and it's one of those you can only turn one flat at a time.
Yup, that's the one I can't account for. I'll let you know.

Thanks,

lyle
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Old 04-08-2010, 08:40 AM   #13
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Default Re: Dana/Spicer Transfer Case Guapo

Lyle...is this a donor d18 case/trans you are working with or linda's red one?

I have a significant accumulation of "stuff" for those (and d20) on the shelf here at the shop that you don't know about and haven't seen yet (new and also sorted excellent used).

Keep that in mind regarding this project.
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Old 04-08-2010, 05:56 PM   #14
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Default Re: Dana/Spicer Transfer Case Guapo

Not to steal Dad's thunder, but I went over today to play musical trucks and he had the case down. Later I helped him pull the case out from under the Scout 80. The lower "5 o'clock" bolt was the culprit.
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Old 04-08-2010, 06:18 PM   #15
Lyle Wiese
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Default Re: Dana/Spicer Transfer Case Guapo

Quote:
Originally Posted by carl wiese View Post
not to steal Dad's thunder, but I went over today to play musical trucks and he had the case down. Later I helped him pull the case out from under the Scout 80. The lower "5 o'clock" bolt was the culprit.
Yes it was and it is on the front side of the tranny covered with crud and stuff. (I remember reading that somewhere.)

lyle
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