Re: Best 4.0 combo

[farna@xxxxxxx]

Yours is probably the best combo, I was giving my thoughts on a total package where you get everything from one vehicle. In general, the newer the better. I think that was the original request. 

The only real problem I can think of with 96+ vehicles is that somewhere between 96 and 99 Jeep switched to electronic gauges, including the speedo. The fitting in the trans didn't change, or gears, but there is no speedo cable. You can solve the problem easy enough, just get a pass-through speed sensor from an aftermarket instrument concern. There are several, such as United Speedometer Service (http://www.speedometershop.com/), that cater to hot rod swaps. The computer needs the speed sensor. It doesn't have to be precisely calibrated, so changing the driven gear isn't a big deal. 

The OBDII models use two O2 sensors, one before and one after the cat, but a cat isn't necessary. May as well run one though -- some states will require all emissions equipment from the newer engine anyway. 

All in all it really doesn't matter what year you get a drivetrain from, each has pros and cons. There is nothing really wrong with the internal slave cylinder, except the price of a replacement when it does go bad, and the fact that you have to pull the trans (not so bad with 2WD). It's more protected inside the bell, so it lasts a good long time under normal use. Auto Parts Giant (http://www.autopartsgiant.com) lists it at $99.71. 


On August 16, 2005 mail@xxxxxxxxxxxx wrote:

> More tidbits, 2000 up manual trans is a Tremec 3550 IIRC
> It is supposed to be the best shifting most durable trans.
> 2000 heads have smaller exhaust ports for better torque and low end throttle response, they use dual Cast iron exhaust manifolds. You can duals on your six! Cool! I have a set of the manifolds and it appears they can be ported to work on earlier heads, but may cut down upper RPM flow rates somewhat.
>  1999 up is also the best intake manifold to use. It even looks cool!
>  1999 was also last year for a distributer and I've heard of some problems with coil packs on newer engines.
>  If I was to dream up a package it would be a 99 engine,91-95 EFI and a 2000 trans. You can however make any 91 up system work and work well. The choice is mainly on how much tinkering you are willing to do to get OBD II to work and what is available in your price range.
> Mark Price
> mpriceATwestco.net
> Morgantown, WV


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