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Discussion Starter #1
Ok I have a friend who wants to build a rock buggy..

I'm going to be helping him, This is what the first step is going to include.

Platform will be a toyota probally 89 or newer, He has an uncle who can get him rolled or accident trucks. he has his eye on a few..

Going to be lossing the whole body.. and then were going to start with the cage and chit, probally a 3-4 seater. Bobing hte rear of the frame to the shakles if it's an extra cab probally going to shorten the frame too..

were going to swap the front IFS out for a toyota solid axle probally going to run waggy springs up front, with 98+ tacoma springs in the rear for now later 1/4 liptic.

Probally detroit in the rear with 4:88's and a lock right up front.

Hysteer and a few other things here and there..

later he will be going to dual cases and 1/4 lip rear..

Oh yeah 35's MTR's and 15x8in rock crawlers maybe 15x10??

Anything I'm missing here kids?? any helpfull hints??
 

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Discussion Starter #3
Originally posted by zags:
<STRONG>detroit front, spool rear, 5.29s, 38"+ tires</STRONG>

5;29's? arn't they little weak? or is that 5:71's??
Detroit and spool..hmm... sounds good.. sence it will never see pavement..

38's will be later. but can get 35's now cheap.. trying to keep things in a budget..

Thanks for hte idea's!! keep em coming!!
 

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5.71:1 are the really weak ones. actually, with the money you save by buying the spool, go front ARB. I sure wish I had gone 38s instead of 35s. but I wiil wear 'em out fast enough!
 

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Why Toyota front? If it's a trailer rig, go with 60' F/R...bla bla bla

Seems like a lot of work to have the same drivetrain that I will have. <IMG SRC="smilies/confused.gif" border="0"> Just keep the sheetmetal, bob it, an cage it. Might even be street legal to run in prades. <IMG SRC="smilies/biggrin.gif" border="0">
 

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Originally posted by Bones:
<STRONG>Why Toyota front? If it's a trailer rig, go with 60' F/R...bla bla bla

Seems like a lot of work to have the same drivetrain that I will have. <IMG SRC="smilies/confused.gif" border="0"> Just keep the sheetmetal, bob it, an cage it. Might even be street legal to run in prades. <IMG SRC="smilies/biggrin.gif" border="0"></STRONG>
Actually, you have a good point. You could build it in steps, take it out and have fun, instead of spending every weekend in the shop working on a buggy. They are VERY time consuming to build. When the truck gets sufficiantly wadded up, you will know more about what you want, and your chassis will have been finished, so you can just swap parts and go!
 

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Don't waste your time on a toy front axle!! It would be just as easy to build a dana 44 front and definatly stronger. You lose a little bit of ground clearance but oh well! Everything else sounds good. Get a 4cyl so you can easily go dual cases or just throw in a bigger motor and granny 4 speed.
 

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<font color="yellow">
You forgot... You need to pick up two geardriven (4 Cyl) T-Cases. Then put 'em together with either the AA or Marlin, or JPeater, or Inchworm. (about $400-ish for the AA from All Pro)

Now you have a 5.2 (Okay... 5.1984) low range, and it's crawly time. With 5.29s that's a not-too-shabby 108:1 crawl ratio.

Most of the guys here running 35+ inch tires run 5.29s with out breakage.

With 5.71s your truck starts
it's diff gears.

</font>

[ 10-17-2001: Message edited by: MasterYota ]
 

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build the 1/4 eliptic now. It will affect how the whole rear of the buggy is built and will be alot more labor to do it later. You could probably do it for the price of the set of springs you plan on using. It doesnt cost much $, just labor.
 

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Originally posted by CB77JD:
<STRONG>
Platform will be a toyota probally 89 or newer,
</STRONG>
Works
<STRONG>
were going to swap the front IFS out for a toyota solid axle
</STRONG>
Why not 60's?
<STRONG>
probally going to run waggy springs up front, with 98+ tacoma springs in the rear for now later 1/4 liptic.
</STRONG>Works
<STRONG>

Probally detroit in the rear with 4:88's and a lock right up front.
</STRONG>Lockright will break, spool the rear, ARB the front.
<STRONG>

Hysteer and a few other things here and there..
</STRONG>Works!
<STRONG>

later he will be going to dual cases and 1/4 lip rear..
</STRONG>Go Ultimate, 4.70 in the back case.
<STRONG>

Oh yeah 35's MTR's and 15x8in rock crawlers maybe 15x10??
</STRONG>37's or 38's

<IMG SRC="smilies/biggrin.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0"> <IMG SRC="smilies/biggrin.gif" border="0">
 

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The only problem I see with running d-60's is the weight of them. will you be running a stock 4 cyl. or a v-8?if your running a v-8 than weight is not an issue. but it might put more strain on a stock 4 cyl. Whats wrong with toy axels any who? <IMG SRC="smilies/confused.gif" border="0">
just gotta be light on the foot. <IMG SRC="smilies/eek.gif" border="0">
 

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Originally posted by YotaBoy:
<STRONG>Whats wrong with toy axels any who? <IMG SRC="smilies/confused.gif" border="0">
just gotta be light on the foot. <IMG SRC="smilies/eek.gif" border="0"></STRONG>
Nothing, that's what I will have. But if he's wanting a tubed out buggy, why go the 60 route? Go with BEEF!! It'd be funny to see a trick fabed up buggy out there changing a broken birf. <IMG SRC="smilies/tongue.gif" border="0">
 

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Discussion Starter #14
Originally posted by Bones:
<STRONG>Why Toyota front? If it's a trailer rig, go with 60' F/R...bla bla bla

Seems like a lot of work to have the same drivetrain that I will have. <IMG SRC="smilies/confused.gif" border="0"> Just keep the sheetmetal, bob it, an cage it. Might even be street legal to run in prades. <IMG SRC="smilies/biggrin.gif" border="0"></STRONG>
Dana 44 has crossed the mine's but were trying to keep it cheap.. with a dana 44 what could I pull one out of?? with 6lugs and a passenger side diff??

We havn't ruled it out but the toy axle just seems so simple for now!! and beside's I think he wants a toy rock buggy to be differnt! trying to keep it 90% toy parts..
 

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Discussion Starter #15
Originally posted by MasterYota:
<STRONG><font color="yellow">
You forgot... You need to pick up two geardriven (4 Cyl) T-Cases. Then put 'em together with either the AA or Marlin, or JPeater, or Inchworm. (about $400-ish for the AA from All Pro)

Now you have a 5.2 (Okay... 5.1984) low range, and it's crawly time. With 5.29s that's a not-too-shabby 108:1 crawl ratio.

Most of the guys here running 35+ inch tires run 5.29s with out breakage.

With 5.71s your truck starts
it's diff gears.

</font>

[ 10-17-2001: Message edited by: MasterYota ]</STRONG>
It's not going to be a tacoma drive train so it will have one gear driven case and later two.. gears in the case's will be an option!
 

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Discussion Starter #16
Originally posted by desertoy:
<STRONG>build the 1/4 eliptic now. It will affect how the whole rear of the buggy is built and will be alot more labor to do it later. You could probably do it for the price of the set of springs you plan on using. It doesnt cost much $, just labor.</STRONG>
My friend saw yours and feel in love!! I'm kinda walking him threw it, We are diff going to do 1/4 kinda like yours. but he wants to be able to use it fairly soon... I know it would make more sence to do it right the first time, but time and money this time are issue's..

We will keep the 1/4lip in mind when were hacking away at stuff and we will try to leave enough room..

Thanks for the tip!
 

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Discussion Starter #17
If money was no object the dana 60's 38's and big V8 would be on the menu..

but for now were going to K.I.S.S. it!

Keep it simple stupid!!

He wants a decent toy he can bounce around in and not worry about dents and rolling over...

Allot of details to work out.. I just want to make sure we didn't forget anything!
 

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If he's got his eye on several, how about sending the other rollovers our way so we can build rock buggies too. Pick the best and send us the rest. Location? Price?
 

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for a trail rig run the stock 4:10 gears in the 3rd with a dual case and a 4.0 gear. myself and several others are doing so with great results
 

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Originally posted by CB77JD:
<STRONG>Dana 44 has crossed the mine's but were trying to keep it cheap.. with a dana 44 what could I pull one out of?? with 6lugs and a passenger side diff??
</STRONG>
The old fart waggy axles (pre 79 or 80) are passenger side drop and I imagine are 6 on 5.5 lug. You could snag a widetrac one and go 64" wms to wms and be all happy happy joy joy with u-joints instead of birfs.
 
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