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Still like to know if running a 14 psi LP is okay to do on an engine that only gets 8 psi max with the stock LP from the factory.

Thanks Quadstar87. It's listed for Cummins and is $100.00 more then the Walbro, but users talk about having it last 500k miles or more. I assume you just plumbed it to work on your '94. An special reason you have it limited at 9 psi?

I evidently have pressure, the truck is running. As I stated above, it is the sudden stoppage caused by a tired LP that craps out that I want to avoid. Replacing it is the same to me as installing new oil cooler lines to avoid a blown engine, or a new oil pressure switch, PMD relocation, vacuum...

Will, when you pull up the pictures of the Airtex and the AC Delco it is the exact same picture with the same part number on it!? I will be pulling an equipment trailer with this truck and making 5 hour trips to NJ(no trailer) in it. I don't want that LP to crap out in either of those two...

The Airtex(identical to the AC Delco for 20 less)pump for the '93 PSI is listed at 9.5 min. 14 max. The '98 is listed at 6 and 8 psi. If more is better I'm in. Just want to make sure it's a good thing.

I read recently that the lift pump for the 1993 GM diesels had higher pressures and was the LP that should be used. It supposedly has higher pressures - both static and after engine is started and makes life easier for the IP. The LP on my '98 is sounding tired when I turn it on first thing...

I've used a tablet back a couple times, but the finish on cereal and beer boxes would make much better gaskets! Any particular brands work better than others? :) I did break down a while ago and bought a roll of the real paper gasket material. Probably not any better than what you guys are using.

Will L.: Yes, I wouldn't use a shellacked paper gasket that was exposed to our new fuel - I don't think there's much "gas" in it anymore, it doesn't even smell right, and it dissolves fuel lines and fiberglass fuel tanks!!!! I don't do much of that kind of thing anymore except with my lawn...

I didn't even think about RTV. There wasn't any RTV on it when I took it apart, there was nothing, which left the washer moving around, and the fluid leaking past. If RTV had been used it probably wouldn't have leaked, but then I wouldn't have found all the other problems. I shellacked the paper...

Okay, last post on this thread - I promise. When I was putting the truck back together yesterday I noticed the O ring that is on the trans output shaft(TOS) that is just behind the splines. It was worn flat around the outside and was too hard. Maybe the original. So, I replaced it - just wanted...

Thank you sir!

Everywhere I wrote "pre '91" needs to be changed to read "pre '94". And, the 2.015 bushing was used from '94 to 2004.

I didn't even think of that. I have to think back to where I read that. Maybe I got the year wrong.I remember now. It is pre '94 not 91. Darn, I'm sorry. From '91 to '94 the smaller bushing was used. I got mixed up. The 2.015 bushing started after that. Is there a way to go back and edit the...

One last thing - a correction. It is now obvious that the trans extension housing on my truck had been removed. It was so dirty and mucked up I thought it had never been removed. Seeing the condition of the bushing, which looks new where it isn't scarred up, it is obvious it had been removed...

Here are the pictures of a 1998 EH. It shows the oil passage to the center of the bushing. I also have a picture of the bushing I removed. I did not scar up the bushing taking it out. The defects on it were there before I removed it - wish I took a picture before I removed it. The end of the...

I've got more info that may help others: There are three (3) different transmission extension housing bushings! There is as pre-1994 which is something like 1.9915". Then there is 1994 to 2004 which is 2.015". And the 2004 and up that has a still larger OD. Note that the kit National sells...

I finally have an update on the trans leak situation. It was only 100 degrees today, and no forecast for rain, and I finally attacked the problem. I'm posting this for anyone that has this same problem, although I think it's a rare thing brought on by sloppy work. This is on my 1998 GMC 6.5TD...

Will L.: I just wanted to let you know the paint stripper did the trick. I didn't have aircraft grade, just some of the thick stuff. Took a lot longer and had to add lots of elbow grease, but the darn things are gone. Thanks for the tip, I wouldn't have thought to try that - appreciate it.

Fingers crossed - I should be good for a long time then.

Old thread, but I'm in VA Beach.