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Re: Heart (engine) transplants

To: jimmble@adelphia.net
Subject: Re: Heart (engine) transplants
From: jay_welch@juno.com
Date: Tue, 5 Nov 2002 08:24:08 -0500
They might not be a candidate but those Jeep 4.0 engines do scoot.  I
have an '89 Cherokee with 150K miles, injected, automatic and it has
incredible torque....very quick off the line.  I would suspect that the
stock rear end and axles/ujoints might not be very forgiving with the
added torque and HP.

Jay


On Tue, 5 Nov 2002 07:48:04 -0500 "James Franks" <jimmble@adelphia.net>
writes:
> I think it's probably too big, also. The Jeep as well.
> 
> A modern 4 cyl. will be lighter and have more umph than the TR6 
> motor, and
> be a lot smaller physically.
> 
> I wouldn't worry about the engine management. It is all pretty 
> idiot-proof.
> To do a project like this, you really need to buy an entire wrecked 
> or rusty
> car to rob the whole harness and all the computers, relays, and 
> sensors.
> Then strip the harness down to the engine harness, removing lights,
> horns,etc. You usually will only be left with a single wire to cut 
> that
> connects to the ignition for power, and the rest running from 
> computer to
> relays for fuel pumps, starter, maybe an injector resistor pack, and 
> wires
> running to the injectors,EGR, and ignition. Just start at the 
> engine
> computer and work backwards.
> 
> Measure one first, though!
> 
> Jim
> ----- Original Message -----
> From: <william.mcintire@wright.edu>
> To: <6pack@autox.team.net>
> Sent: Tuesday, November 05, 2002 6:05 AM
> Subject: RE: Heart (engine) transplants
> 
> 
> > Fer whatever it may be worth - I've got a 635 bimmer and, while I 
> haven't
> > measured, I seriously doubt if the engine will fit in my TR6. The 
> 3.5
> litre 6
> > is kind of a big sucker. Would guess the engine management 
> electronics
> would
> > be a royal pain to transplant. BMW seems to like complexity just 
> because
> they
> > can. 635 does go good though.
> > Bill
> > '70 6 32 yrs under one roof

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