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Old 07-11-2003, 10:35 PM   #1 (permalink)
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engine,trans,xfer ? swap

I'm have a 90(1995) with an engine in need of a rebuild. I would like to build it for rock crawling, but would like to drive on street. I have a 5.0,aod and a dana 300 sitting in my garage. In my mind I have 4 options( I know there are many more),but I'll stick with 4. 1) Rebuild 3.9, keep r380, add Ashcroft crawler box, keep 3.54. gives me about 105 to 1( I would like to know how they get 116 to 1 from 3.32x 8.933x3.54) in low and 3.53 in final drive cost $4500.00-I do all my labor. 2) 5.0,aod,adapter,lt230, crawler box,3.54. 76 to 1 low and 2.894 to 1 final. cost $4500.00. 3) 5.0, aod, adapter, dana 300, 4.10, driveshafts, cut and center rover rear. 40 to 1 low and 2.747 to 1 final. 4) chevy I would sell what I have and go chevy engine, turbo 350, dual xfer and something for the rear, cut rover or someting else. Know that I do have 2 sets off rover wheels stock and mrt aluminum bead locks,also I like the rear disc brakes, I though about changing the rear but that was even more $$. I have been driving myself crazy for weeks and would like somebody to help.. Didn't want to spend more than 5k. I have many?'s but the two main ones 1) crawl ratio-105 stick or 76 auto, is 40 to 1 enough, how much more would the axels like the auto over the stick(breaking) 2) stength which is stonger
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Old 07-11-2003, 10:46 PM   #2 (permalink)
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Depends....How big of tire are you running/planning to run. Of 35 or less I'd go SBC/NV4500/LT230 and beef upo the rover axles. If you plan to run over 35" tires, well look into Doug M, Bill R. or Timm C. truck s for ideas.

-Jeff


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Old 07-12-2003, 08:46 AM   #3 (permalink)
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Budget

Sell the whole mess and buy a nicely built FJ, Bronco etc. Defender and budget rockcrawler really dont get along well in the same sentance. You will be time and money ahead to sell it off and buy a nice truck.
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-Ike Goss
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Old 07-12-2003, 11:30 AM   #4 (permalink)
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Ike has a good point. Build a buggy from a fullsize Umerrycan truck, remove the body and attach some rover body panels. Basically do what Sam (crazy ass Ozzy guy) has done but use a domestic platform. For the $ you will get from selling your D90 you should have $ to spare when it is all said and done.

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Old 07-12-2003, 12:50 PM   #5 (permalink)
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Newbie, yeah. I have a 1973 EB(early bron-co), with 302 with 35's and 5.5 lift, now. Had a FJ40, didn't like it at all. If going with SBC, what xfer's would I use(ass-u-me I use 2 ). Do I waste $$ money on Rover rear? What rear that has a center diff is the closest to D90 width? I would like to go with auto if I have to start from scatch. Thanks Tim
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Old 07-14-2003, 07:05 AM   #6 (permalink)
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Good idea, Use local metal for the truck, and pick up some cheap (series) panels to give it the LR look.

Gotta be cheaper.

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Old 07-28-2003, 09:42 AM   #7 (permalink)
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you can use the 727auto from the scout.
buy the adapter from aa and use a chevy engine.
the autobox should fit both the dana 300 and lt230
t-box
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Old 07-28-2003, 09:30 PM   #8 (permalink)
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I think that the 727 only will go with th BW transfer case. Ashcroft does not make their crawler box anymore. That sucks. Now we " Rover fools" need to really get on Mr. Timm Cooper about his (bcboffroad.com). I'm starting to think dual transfer is the way to go, mabee a 203/205 with th lt230. Who can make an adapter? Tim
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Old 07-28-2003, 10:02 PM   #9 (permalink)
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Sounds like you reaaaallly want to keep your Rover...Well to tell you the truth, I loved mine so much I'm beating her to death, and thinking of more evil plans to boot. Smart way to go? Nah...But it is fun!

Take it from me...If your plans are to keep the Rover while doing SOME moderate trial runs (with a max 37" MTR) , then go for the 302 swap. You'll love the power...

If you want a serious crawler that can handle anything in the country...Then be prepared to PAY or, be prepared to tube her out beyond the point of recognition.

I'm way past the point of no return, so I'm in a situation were I get to decide the ultimate fate of my 90 without too much fear of reproach...I think Camo said it best when asked if he would start from a vehicle platform or start with a manuf. chassis....His answer was start with a manuf. chassis....Too many compromises when dealing with a built platform.

Me? I don't like body-damage...So more tube is in my very near future. I can see my rig becoming like SG's very soon. Too bad...So sad.

--D

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