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91 318 head gasket set. 16 o-rings? what for? #2660424
05/29/19 06:45 PM
05/29/19 06:45 PM
Joined: Jan 2003
Posts: 9,887
Connecticut
CrAlt Offline OP
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CrAlt  Offline OP
master

Joined: Jan 2003
Posts: 9,887
Connecticut
Hi all.

I have a 91 D150 and would like to change the valve seals this weekend. I may yank the heads if I don't have luck with my little valve spring compressor and air in the sparkplug hole to hold the valve up.
I ordered a headset apex brand AHS2060. It came with 16 o-rings and the felpro kit HS26179PT comes with them also.

Does anyone know what they are used for?

This is a TBI motor with normal LA shaft mounted rocker arms.

Thanks

IMG_9060.JPGAHS2060__ra_p.jpg

I was asked to contribute money to help solve the civil unrest in Egypt, but I suspect it's some sort of pyramid scheme.

Re: 91 318 head gasket set. 16 o-rings? what for? [Re: CrAlt] #2660430
05/29/19 07:04 PM
05/29/19 07:04 PM
Joined: Dec 2009
Posts: 10,838
in a cattle trailer down by th...
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Guitar Jones Offline
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in a cattle trailer down by th...
They look like injector o rings. Doesn't matter that your engine doesn't use them. The aftermarket frequently gets things like this wrong.


I never learned to count my blessings, I choose instead to live inside my disasters.

The Scamp is sold, now just two old trucks and one new one.
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NP435, D44, D60 and NP205 divorced transfer case. Magnum 5.2 MPI and NV4500 coming soon.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi!
Re: 91 318 head gasket set. 16 o-rings? what for? [Re: CrAlt] #2660436
05/29/19 07:19 PM
05/29/19 07:19 PM
Joined: Aug 2005
Posts: 11,475
chicagoland,usa
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buildanother Offline
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Joined: Aug 2005
Posts: 11,475
chicagoland,usa
I would say Guitar is correct. that tbi 91 eng does not require such o-rings that would go above and below magnum port injectors, that you ain't got.

Re: 91 318 head gasket set. 16 o-rings? what for? [Re: buildanother] #2660438
05/29/19 07:29 PM
05/29/19 07:29 PM
Joined: Jan 2003
Posts: 9,887
Connecticut
CrAlt Offline OP
master
CrAlt  Offline OP
master

Joined: Jan 2003
Posts: 9,887
Connecticut
Ya I think you guys are on to something with the MPI injectors. Probably cheaper to just toss them in then make a separate bag with out them.

I just hope the valve stem seals are the correct ones. I am used to seeing the older 2 different umbrella style ones for the E and I valves. These are all the same and look like they press on and latch on to the the valve guide.


I was asked to contribute money to help solve the civil unrest in Egypt, but I suspect it's some sort of pyramid scheme.

Re: 91 318 head gasket set. 16 o-rings? what for? [Re: CrAlt] #2660450
05/29/19 08:14 PM
05/29/19 08:14 PM
Joined: May 2019
Posts: 618
nowhere
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Sniper Offline
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Sniper  Offline
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Joined: May 2019
Posts: 618
nowhere
That gasket kit is...interesting.

Injector O rings, headgaskets and plenum gasket for a Magnum.

Valve cover gaskets for an LA.


You don't know anything
Re: 91 318 head gasket set. 16 o-rings? what for? [Re: Sniper] #2660469
05/29/19 09:03 PM
05/29/19 09:03 PM
Joined: Jan 2003
Posts: 9,887
Connecticut
CrAlt Offline OP
master
CrAlt  Offline OP
master

Joined: Jan 2003
Posts: 9,887
Connecticut
Lol I didnt even notice the plenum gasket. I was just looking at the valve seals when I opened it.

The felpro kit doesn't come with the plenum but has the same headgaskets and o-rings. Apex and Felpro lists it as 1991 only. 318. I found a few photo's of the Felpro box and it says 1991 only. 89 and 92 are different sets.

confused

Screen Shot 2019-05-29 at 8.50.34 PM.pngScreen Shot 2019-05-29 at 8.50.49 PM.pngScreen Shot 2019-05-29 at 8.51.09 PM.pngSFL_HS26179PT_P04_TOP__ra_p.jpg

I was asked to contribute money to help solve the civil unrest in Egypt, but I suspect it's some sort of pyramid scheme.

Re: 91 318 head gasket set. 16 o-rings? what for? [Re: CrAlt] #2661231
06/01/19 02:21 PM
06/01/19 02:21 PM
Joined: Jan 2003
Posts: 9,887
Connecticut
CrAlt Offline OP
master
CrAlt  Offline OP
master

Joined: Jan 2003
Posts: 9,887
Connecticut
Well they are the right ones. thankfully wrench

IMG_9077.JPG

I was asked to contribute money to help solve the civil unrest in Egypt, but I suspect it's some sort of pyramid scheme.


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