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engine rebuild #989726 03/13/10 10:09 PM
Joined: Mar 2002
Posts: 1,396
DennisThompson Offline OP
Body Damage is Cool
Hi, I'm not new to the wire but have never posted on the Mitsubishi forum. A friend of my wife just gave me her Montero Sprort. I believe it's a 95, I have not picked it up yet so I'm not sure. It has the smaller engine, a 3.0 I believe and an auto trans. The engine has been ran low on oil and needs to be rebuilt or replaced but I'm going to tare it down first to see the damage. I just wanted to know a good source for a rebuild kit or rebuild parts. I will pick up a service manual before I get started but any tricks or advice would be greatly appreciated.

Thanks for any advice, Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.
Re: engine rebuild [Re: DennisThompson] #989727 03/13/10 11:03 PM
Joined: Dec 2009
Posts: 162
G
Guns_and_Roses Offline
Wheeler
i got all my seals and gaskets from Mitsubishi.

local machine shop went throught the heads.

did not rebuild the bottom end on mine.

Good Luck. it is an easy emgine to rebuild.

Re: engine rebuild [Re: Guns_and_Roses] #989728 03/14/10 01:40 AM
Joined: Aug 2009
Posts: 130
Bagpiper Offline
Wheeler
I found the best prices on Ebay when I rebuilt my 3.5 95 montero, scan the parts houses and you will find some good prices, I am currently starting on the 3.0 in my 97 montero sport it also needs some work. good luck and have fun, oh don't foget the pictures of your project <img src="/forums/images/graemlins/kewl.gif" alt="" /> again have fun <img src="/forums/images/graemlins/cheers.gif" alt="" />


95 Montero SR/NANKANA 31 10.50 AT/Bouncy seat/Cobra CB/K&N air cleaner/Hi-lift Jack/Jerry Can/ tweaked torsion bars/Timing belt assembly/ Rage roof rack/ triple gauge system /Superwench hubs/2.5" lift/
92 Nissan Pathfinder XE (the Wife's)
Re: engine rebuild [Re: Bagpiper] #989729 03/14/10 01:49 AM
Joined: Apr 2006
Posts: 1,193
mxmikie Offline
Body Damage is Cool
if its a sohc i have a head gasket set


it dosent have to be surrounded by water to be an island
Re: engine rebuild [Re: mxmikie] #989730 03/14/10 02:59 AM
Joined: Mar 2002
Posts: 1,396
DennisThompson Offline OP
Body Damage is Cool
When I get it home and know more about it I will post what I have. I just finished rebuilding the engine on my Sportage, When it's back on the road I will go get the Montero. I found some good info on the tech thread here. I will take pics when I get started.

Thanks again, Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.
Re: engine rebuild [Re: DennisThompson] #989731 03/14/10 03:38 AM
Joined: Jan 2001
Posts: 13,649
fasteddy Offline
Web Wheeler
*****
The two main tricks are thoroughly cleaning out the head bolt holes with a bottoming tap, and a shiny clean block deck surface for good head gasket bonding. And real good attention to a good seal on the lower intake to head.


Not responsible for advice not taken...
Re: engine rebuild [Re: DennisThompson] #989732 03/14/10 04:25 AM
Joined: May 2000
Posts: 6,132
K
Kevin C Offline
Trail Leader
****
My guess is the crank will be trashed. There has been some question about turning the factory crank undersized. There is a TSB on it. Some still do it with good results.

If your ran out of oil, I would send it off the the scrap pile and find a better crank to rebuild with.


87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...
Re: engine rebuild [Re: Kevin C] #989733 03/14/10 07:43 AM
Joined: May 2009
Posts: 435
4ePikanini Offline
Mudrunner
Mine is rebuilt with a cut crank - not by much though - and it's fine. I haven't been killing it either so who knows.

When rebuilding take note on the crank bolt issue and the headbolts need to be checked that they don't bottom out before pulling - a big reason why many rebuilds fail. ( FrankR has been drilling this for some time now )

Last edited by 4ePikanini; 03/14/10 07:45 AM.


Karma's Law - For every action there is a multiplied reaction!
93 Pajero GLS 3.0 V6 LWB - SOLD
2001 Gen3 Di-D LWB - SOLD
2005 Touareg R5 2.5 TDi
Re: engine rebuild [Re: 4ePikanini] #989734 03/14/10 07:27 PM
Joined: Dec 2009
Posts: 162
G
Guns_and_Roses Offline
Wheeler
Quote


When rebuilding take note on the crank bolt issue and the headbolts need to be checked that they don't bottom out before pulling - a big reason why many rebuilds fail. ( FrankR has been drilling this for some time now )


I told this to the guys at my local machine shop and they thought i was nuts.

i guess they just never ran into that problem yet!

Re: engine rebuild [Re: Guns_and_Roses] #989735 03/14/10 08:08 PM
Joined: May 2009
Posts: 435
4ePikanini Offline
Mudrunner
Quote
Quote


When rebuilding take note on the crank bolt issue and the headbolts need to be checked that they don't bottom out before pulling - a big reason why many rebuilds fail. ( FrankR has been drilling this for some time now )


I told this to the guys at my local machine shop and they thought i was nuts.

i guess they just never ran into that problem yet!


so did my workshop, but after I insisted they found the clearance to be very tight.

I'll trust Frank's advice on these engines over any builder. Just have a look at his supercharger build and "bob's 3.0 build" and you will find all the details regarding the building of these engines.

PS : Take a day to go through it all as it's hard to let the thread go once you start. <img src="/forums/images/graemlins/lol.gif" alt="" />



Karma's Law - For every action there is a multiplied reaction!
93 Pajero GLS 3.0 V6 LWB - SOLD
2001 Gen3 Di-D LWB - SOLD
2005 Touareg R5 2.5 TDi
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