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post #1 of (permalink) Old 05-15-2000, 09:06 PM
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\"old school\" monster trucks

I ran across a deal on some old school mud/monster truck stuff. 18.4 x 36 rice and cane tires, 2.5 ton military axles, plus extra parts (extra axles, gears, lockers). I don't plan on racing...just playing. Does anyone have any experience with something like this? How much gear will it take to turn these tires (lugs are about 4" tall)? I have a SM465 and NP205...will this be enough? I have heard about people running two transmissions on swamp buggies (not the ones they race on TNN), has anyone ever seen this in person? My guess is that they cut down/re-splined the input shaft of the second trans to accept a yoke. ....kinda thinkin about putting a shorty powerglide in front of the four speed. ANY comments?....or suggestions?

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post #2 of (permalink) Old 05-16-2000, 01:44 AM
 
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Re: \"old school\" monster trucks

Seems with gear that big (and tires like you described) I'd hope you at least have a 350 Chevy or bigger between the fenders to turn those tires well for any self clean-ability at all, however, a big block is definitely preferred [img]/wwwthreads_images/icons/wink.gif[/img]

Now, it's time for me to sit back and see what the others have to say [img]/wwwthreads_images/icons/wink.gif[/img]

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post #3 of (permalink) Old 05-16-2000, 10:15 AM
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Re: \"old school\" monster trucks

<font color=purple>I've heard of twin trannies, but fortunately you've got a 1st gear in the neighborhood of 6.5:1 & it's likely those 2.5 ton rears have 6.xx:1 gearing also. You should be able to spin 48" rice & canes with a V-8 IMO - well enough for a play truck anyway.</font color=purple>

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post #4 of (permalink) Old 09-10-2000, 06:51 PM
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Re: \"old school\" monster trucks

the only ratio on 2 1/2 tons is 6;72 ;1 you can change the planetary hubs to lower it another 3;1

post #5 of (permalink) Old 10-21-2001, 11:09 AM
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Re: \"old school\" monster trucks

We are building a Jeep at our shop which will have these same axles. Does anyone have any idea as to the weight of these axles???

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post #6 of (permalink) Old 10-26-2001, 10:01 PM
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Re: \"old school\" monster trucks

REAL heavy, I hurt for months after wrestling them onto the trailer. If you get rid of the drum brakes, you lighten things up quite a bit.

post #7 of (permalink) Old 03-31-2002, 12:59 PM
 
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Re: \"old school\" monster trucks

I think the 2.5 tons are around 250 lbs., give or take a bit.
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post #8 of (permalink) Old 03-31-2002, 03:25 PM
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Re: \"old school\" monster trucks

640 pounds once you remove the brake drums... And yes they spin 54 inch tires nicely
post #9 of (permalink) Old 05-19-2002, 08:27 PM
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Re: \"old school\" monster trucks

The ones I bought have a funky birfield type joint on the front axles instead of u-joints. Are these things very strong? Can they handle a locker up front? ...or do I need to leave it open?
post #10 of (permalink) Old 07-22-2002, 01:26 AM
 
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Re: \"old school\" monster trucks

----I think the 2.5 tons are around 250 lbs., give or take a bit-----

the rockwells i believe are right around 720 lbs with everything on. thats what boyce said when i asked about them.
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