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Recent Posts on TrailTalk
Help with hard-to-find part for Gen1
by GrantCee. 08/15/18 05:35 AM
Replace cracked manifold with Pacesetter header?
by GrantCee. 08/14/18 06:13 PM
1989 LWB A/T Temp Light
by chadzeilenga. 08/14/18 04:01 AM
suzi the psychic
by rascott. 08/12/18 06:11 PM
GEN1 LWB Radio reception
by chadzeilenga. 08/12/18 06:03 AM
Another 3.0L High Idle.. :)
by chadzeilenga. 08/10/18 05:42 PM
1990 GEN1 Rear Bumper Removal
by rxinhed. 08/10/18 01:29 AM
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New Topics on TrailTalk
Replace cracked manifold with Pacesetter header?
by GrantCee. 08/14/18 06:13 PM
Another 3.0L High Idle.. :)
by chadzeilenga. 08/10/18 05:42 PM
ISO Gen II SR rear locker
by OConnor. 08/06/18 02:38 AM
24 VLA's for a hundred and ten bucks!
by marksroberts61. 08/02/18 11:33 PM
Help with hard-to-find part for Gen1
by GrantCee. 07/31/18 11:38 PM
87 Raider instrument cluster woes
by melohman. 07/26/18 04:42 PM
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Scar the Cylon Raider
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Mitsubishi 4x4 and SUV Tech
08/14/18 06:13 PM
My ’87 2.6l has a badly cracked exhaust manifold. I'm looking for a replacement, and several people are helping, but so far no luck. I'm going to try a little longer, but just in case I can't find one I’m starting to investigate my alternatives. One of those alternatives is installing a Pacesetter header.

I'd really like to hear from anyone who's installed a Pacesetter on their Gen1!

I’ve searched what little info there is here, and the consensus seems to be that it won’t improve performance at all — I’m okay with that. I'm not looking for a performance boost, I'm looking to seal off exhaust leaks.

My biggest question is just about getting it to fit; from what I can see, it won’t bolt up to the existing exhaust. Some fabrication would appear to be required, but I’m unsure just how much.

Also, having just finished a Weber carb installation, I'm wondering about the need to re-jet the carb. Since the stock manifold, from what I've read, breathes at least as well as the aftermarket header I'm hoping that re-jetting won't be necessary. Am I off base?
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4x4 Gallery
08/12/18 05:49 PM
Scar really has a storied past and has come through many folks to be owned by my daughter. Scar will attend college with her this Fall.
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4x4 Gallery
08/12/18 05:35 PM
I was recently gifted this 1997 Mercury Mountaineer, 302, AWD and bone stock. Representing the high-end options of it's day (minus sunroof), my daughter said the vehicle is a guy, so we named him Sapphire, urban assault specialist. Plans are for some 31" tires on FX4 Level II rims, rumbly exhaust, and daily use.
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Mitsubishi 4x4 and SUV Tech
08/10/18 05:42 PM
Hi All,
Seems that I've become the latest victim of a high idle issue on my 1989 3.0L GEN1 eek. There is a wealth of knowledge on these forums regarding this issue, so I have a fair amount of reading ahead of me. After reading through section 14 of the FSM regarding the MPI system I'm developing a plan to troubleshoot.

Issue: At cold-start idle shoots up to ~2200RPM and is steady. Once warm idle is ~1500RPM and steady, no bouncing. I had bounce when first purchased vehicle and cleaning the ISCS seemed to resolve.

Part of my plan involves removing the throttle body for a deeper cleaning and to replace o-rings & gaskets. Aside from these, are there any other maintenance items that anyone would recommend replacing as part of this exercise?

Also, I'm reading that there is potentially a non-serviceable issue with my TB that causes this high idle, is 89 a 1-year-only part for this as well?
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