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Old September 4th 06, 12:21 AM posted to rec.autos.makers.jeep+willys
RoyJ
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Posts: 388
Default 87 YJ 4.2 -> 4.0 swap questions

www.4wd.com wants $110 (front) and $120 (rear) for stock springs.
www.quadratec.com wants $74 for stock rear springs, doesn't sell the
fronts in OEM version but does sell the Trail Master fronts for $80

Earle Horton wrote:

> The fuel tanks are different, so you can't put the pump from the Cherokee in
> the Wrangler tank. Now I don't know whether the Cherokee tank fits in the
> Wrangler, but I do know that you need an FI tank to make the 4.0 work. An
> external aftermarket pump will "work", but as I pointed out they are
> problematical.
>
> Before thinking about swapping the entire drive train, you'd better get out
> a tape measure and see what is what. The Wrangler drive shaft is too short
> as it is, as people find out when they install lift kits. If the Cherokee
> engine mount to TC tail shaft distance is longer, then it won't fit. If
> it's a Selectrac, it "really" won't fit. I haven't made this measurement
> myself, but I am pretty sure that you will find out, that the Cherokee drive
> train is too long.
>
> Wrangler springs from www.4wd.com are not too expensive. The stock springs
> on a Wrangler are pretty flat, so your existing springs may not be as bad as
> you think. The best way to get the old bushings out is with a gas wrench.
>
> Earle
>
> "bobvonbob" > wrote in message
> ups.com...
>
>>thanks earl - a few questions then:
>>can i take the fuel pump out of the cherokee and install it into the
>>YJ? and what if i was to swap out my entire engine/TC/trans with the
>>one from the cherokee?
>>wouldnt that eliminate the need for installing a CPS and the adapter
>>plate? i suppose i'd need a different driveshaft... and perhaps front
>>drive shaft?
>>and the springs?
>>thanks for your help...
>>bennett
>>

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