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How to Tell which cam is Exhaust and which is Intake? #1071850 05/21/14 02:48 PM
Joined: Aug 2013
Posts: 62
A
azazel Offline OP
Getting the Wheeling Fever
95 Montero SR 3.5 DOHC

I am thinking my non starting issue is due to swapping the intake and exhaust cams or having two exhaust cams...etc.

How and I tell which cam is which? Right now the head is in the truck but I plan to pull the plenum and pop the valve cover. From there I can change out cams....

Are there marks I can look for? Any ideas?


1994+1995 Montero SR
2003 Montero Limited
1990 Mighty Max 6G72 4x4
2014 Outlander Sport (Wife)
1992 Galant VR4 (724)
2004 Mitsubishi Lancer Evo RS - (SOLD)
+ Other Non Mitsu's
Re: How to Tell which cam is Exhaust and which is Intake? [Re: azazel] #1071851 05/21/14 04:48 PM
Joined: Jan 2002
Posts: 6,134
TOASTY Offline
Trail Leader
*****
PA_JERO, CAP510 and Canyonero have all had this problem due to the machine shop mixing the cams up. Try contacting PA_JERO he's got engines laying around to look at.


1999 Montero SAS'd on Kings and stuff

1998 Montero trying to get a V8 Swapped
Re: How to Tell which cam is Exhaust and which is Intake? [Re: azazel] #1071852 05/21/14 05:03 PM
Joined: May 2014
Posts: 34
J
JoeBurt Offline
Getting the Wheeling Fever
I found a couple of pics that might help:

http://engineguy.com/1996-94-mitsubishi-3-5-l-engine-6g74-atk251-vin-m.html


I'm not too sure if the following link are the same as the 6g74 Montero cams:

http://www.3sx.com/faq/cams/index.asp

Re: How to Tell which cam is Exhaust and which is Intake? [Re: JoeBurt] #1071853 05/21/14 05:24 PM
Joined: Aug 2013
Posts: 62
A
azazel Offline OP
Getting the Wheeling Fever
Here is my theory...hope its right.

On the passenger side bank, the manual says you need to hold the cam sprockets when installing the T-belt. Yet, I didn't need to do this. Considering that I have spark, fuel and timing correct I am thinking I reversed the cams.

I looked at the pics...I am going to compare them to my spare set of Cam's and see if I can find the smoking gun.


1994+1995 Montero SR
2003 Montero Limited
1990 Mighty Max 6G72 4x4
2014 Outlander Sport (Wife)
1992 Galant VR4 (724)
2004 Mitsubishi Lancer Evo RS - (SOLD)
+ Other Non Mitsu's
Re: How to Tell which cam is Exhaust and which is Intake? [Re: azazel] #1071854 05/21/14 05:33 PM
Joined: May 2014
Posts: 34
J
JoeBurt Offline
Getting the Wheeling Fever
Yeah, the drivers side cams will sit at the correct timing position but the passenger side I had to get 2 wrenches to hold them while I put the timing belt on. They should be under spring tension from the valves.

I would definitely double check the timing before you rip everything apart just in case.








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