Submitted: Saturday, Apr 26, 2008 at 10:32
ThreadID: 57004 Views:2193 Replies:5 FollowUps:0
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So... we are looking at picking up an 'as is' '92 Jack. V6, on gas, 300,000 ks.

It's would be a run around fourth car. Need to tow a horsefloat or mid sized trailer short distances on occasion, when the F350 or landcruiser isn't available..

Prepared to put a new motor in in six months or after whatever we get out of the current one....

They want $4600, but I think we might get it for less.

My better three quarters went to get a mechanical checkup on it before we decided and the mechanic put her off. He said that Jacks were no good, were not suitable for towing and on gas would soon do the head.

Your thoughts??

Cheers Royce
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Reply By: Member - Royce- Saturday, Apr 26, 2008 at 10:34

Saturday, Apr 26, 2008 at 10:34
PS... it's an auto, and on the surface in nice condition..
AnswerID: 300557

Reply By: Outbacktourer - Saturday, Apr 26, 2008 at 10:57

Saturday, Apr 26, 2008 at 10:57
Royce, I used to have a Jack for four years and learned quite a bit about them.

IMHO they were then and remain one of the most underrated 4Bys out there. They are very well put together and a solid unit with very few failings.

Having said that, the AISIN Auto can get hot if you tow anything heavy or at high speeds in O/D. Better to lock it out and tow in 3rd. I'd consider the longevity of the Auto as perhaps a weak point so make sure it is OK.

Front torsion bars can sag but can easily be reset yourself with the adjusting nit on the rear end of them. The rear benefits from Plolyairs because upward travel is limited.

Not sure how they go on gas but being ULP I'd imagine it would have hardened valve seats already. You can always use flashlube or something like that as an extra precaution.

In 4 years I only ever had problems that were installed by authorised service, like putting incorrect diff oil in the back and failing to tighten tappet covers after a clearance check that resulted in no adjustment.


AnswerID: 300561

Reply By: macbushy - Saturday, Apr 26, 2008 at 20:33

Saturday, Apr 26, 2008 at 20:33
Its one of the early V6'6mmmmmmmmmm
on gas mmmmmmmmm
mechanic said it no good mmmmmmmmmmmm
300K's mmmmmm
and you are still asking us mmmmmm

I guess yo really want it

Good Luck

AnswerID: 300660

Reply By: madfisher - Saturday, Apr 26, 2008 at 21:31

Saturday, Apr 26, 2008 at 21:31
All the v6s are v/good vehicles although the 3.5s are much better power and torque wise then the 3.2s. BUT they are not siutable for gas and gice a lot of problems. If you gave me one on gas I would politely refuse it.Their is a Jack forum on I think australian 4wd, somebody might correct me on this. I know they had heaps of info on Jacks on gas.
In the 12months I have had my 3.5 it has only had routine servicing, great vehicle.
Cheers Pete
AnswerID: 300672

Reply By: sfletch - Sunday, Apr 27, 2008 at 05:41

Sunday, Apr 27, 2008 at 05:41
I had the 3.2 V6 in a Rodeo on gas,
did everything by the book,
the gas burnt the vavles out,
got about 300ks out of 60lts gas.
AnswerID: 300705

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