Re: [Amc-list] Concord Engine Question - 4.0 EFi Six

[Wrambler <wrambler242@xxxxxxxxxxx>]

Brien,

I thought perhaps a clear answer was in there somewhere, but I must have missed it.

Glad to see it is indeed my fault for not understanding what you write. 

I'll try harder to understand your writings in the future...

Mark Price
Morgantown, WV 26508
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrac II
"I realize that death is inevitable.
I just don't want to be around when it happens!"

----- Original Message -----
From: "Brien Tourville" <hh7x@xxxxxxxxxxxxx>
To: amc-list@xxxxxxxxxxxx
Sent: Monday, March 9, 2009 5:24:57 PM GMT -05:00 US/Canada Eastern
Subject: [Amc-list] Concord Engine Question - 4.0 EFi Six


So, Basically you don't have any real reasons for not liking the 91-95.

That's what I thought...



* Absolutely.



Those are all reasons that really make zero difference for someone who wants to put a 4.0L in and drive the car.



* I said as much - and quote:]

"I'd guess that as a DD running unloaded in a light car - it would be ok - but again, Chrysler kept adding back ECM control to each ECM system used after the Renix." .



Renix does indeed work well, when it works. 


* Clean Contacts are the key.



It's now ancient science.


* I'VE heard this said about the ODB I & II systems.

  All EFi is ancient science as it's been around awhile if time 
is the consideration.  

If it is functionality, the Renix is still ahead
of the ODB I & II - only thing ever said is better is that the ODB systems
retain data when shut off - so diagnosis is easier.


The reasons why Chrysler did or did not do something with renix is also pointless.



* Just filling in blanks Mark... ?



Block design? More worthless info for a daily driver.  None of these engines has actual problems related from block design changes.



* If cylinder walls were egging due to casting weaknesses - they may still run
ok with high mileage - but why spend the same amount of money buying into
one of these when one can get a different year 4.0 with better design & materials ?



Maybe some are noisier? Tell the guy with 300,000 miles on his 91-95 4.0L that it is a bad engine???



* Ambassador to  AMC Swap Nation  I am not - 
but recall , I did say that Chrysler
would have not done any of these improvements if they weren't getting complaints -
make sense ?


He can put together a car from any 87-95 and make it run and drive.


* And I could date Siamese Twins - doesn't make the odds of winning a Sack Race
any better.

 
If he wants to be able to learn to maintain it EASILY without a steep learning curve, custom ecu etc, The 91-95 is that system.


* Plug in the plugs into the sockets they go to - and where's the Beef ?

Using the GM ECM - as it is such wide usage in JEEP builds - I wouldn't
consider Custom.



You know as well as anyone the Renix system requires you to learn how to work on it.



* I upgraded my knowledge on EFi systems by readings on the Renix.

The sectors of Engine Data the Renix covers to properly monitor the engine -
is what is optimum for engine performance.

The '91 - '95 systems don't take as many readings as many times - which
is not the way it should be .. elewise - there wouldn't have been concurrent
'upgrades' to the OBD ECm's.



 You won't find many shops left that can scan a system, let alone work on one. 



* Like I'd want to pay $65.00 an hour to a Bubba shop - remember, I own AMC .

In 5 years of ownership - one crank position sensor went out.

The Islamic Auto Repair guy in town - barely speaks intelligible inglish
and knew the problem after a brief discussion.



Parts in stock? Fuhgeddaboutit, maybe they can order them???


* Sure - try AutoZone .  Get a better price than the Dealership 
and Waaaaaaaay faster.


You are after perfection for your dream turbocharged all everything vehicle.




* "Blown is Beautiful" - but I mentioned Turbo's in reference to the Renix Systems capabilities of handling differing load conditions - without Ping.



He is just trying to make his wagon drivable and you point him away from the easiest system to buy install and use.


* He'll pay the same amount of money for the better options - and I pointed
him toward the better engines:  

Renix or '98 NVH 

And - advised him to get a Donor Cherokee - so he'll unplug the needed from
one and plug them back in to the driver.. what could be simpler ?



Give the guy a break and don't try to tell him to stay away from a system just because you don't think it is perfect for YOUR needs.



*  Excuuuuuuuuuuse me while I take a Pill Break.... there..... I feel Much better now.


T.




Mark Price
Morgantown, WV 26508
1969 AMC Rambler, 4.0L, EFI, T-5

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