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Found the problem. Cracked fuel hose on the fuel pump assembly in the tank. (Not an AC Delco Part.) Runs like it should now. Further no more idle speed hunting. We followed the advice to use a 1996 Vortec pump that isn't maxed out by the stock power level on the 1993 454. Reference...

Where are you, pickup, located? Call a GM dealer parts department and get price and availability of a transmission, including core cost, via your VIN. You spent $7K and either get results or fight for a refund including taking them to court. Breach of warranty and loss of use: present them...

If you are in Arizona look up Allstate Transmission in Phoenix. Jeff bought the place from his dad and they took care of a few 4L80E's behind my 6.5TD's. https://allstatetransmission.net/ As to shifting hard or not staying in 4th. The Service Engine Soon light is a present for a bulb check...

To reach a large audience you can try say eBay and someone who wants it bad enough will even pay to ship it. Set your reserve at the local offer you got or slightly higher. Because it's supposedly a fuel miser it has more value. It's also 27 years old and a historic/classic vehicle...

There is fuel listed on the sample, but, my advice is for a properly done sample. Bluntly this contaminated and "wrong" oil sample just about sent you down an expensive rabbit hole. Either do the oil samples properly or don't do them at all! Not sure you have any action needed as the sample...

Cracked head on Patch didn't show up in the oil samples. Odds are very good your pulling out a Zombie. WTF for that lab? The engine oil has failed! They should have called you with "take it out of service, change engine oil immediately, and fix it". It's out of viscosity range (critical) ...

Don't bother unless you need a reason to rebuild this engine. They will either be visually FUBAR from loss of oil or look like normal wear. Seeing copper backing color is worn out of course. Bearings only when the valves, cylinders, and rings have a lifetime or two on them... IMO a visual for...

Guess what thread you win this year! 🤪 I would have guessed a clogged oil filter, esp with seafoam cleaner, and been right... Yeah, but some other issues before you go through a bunch of them silly small oil filters. Wait, I will upgrade that to problem. Oil Sludge is still a thing. Take a...

In these modern times you are best to leave the emissions alone. Shops that sell anything to rework em have gone away with the EPA crackdown. So you will be hard pressed to find parts to mess with it anymore. If you ever sell it, after it's modified, the buyer can force you to put it back to...

In your backyard at the factory! Call sales if you want a local dealer. I purchased mine from Jegs because when a 6.2/6.5 busts a starter WARRANTY was critical to my purchase decision. Jegs did warranty one for me when the bad injectors broke the overrun clutch in it. I do not trust Amazon to be...

Understandably you have a habit on not sharing details on how you arrived to select some things unless asked. I trust you spent a lot of time on the Torque Converter Line item? Aka Worked out engine build power details and stall speed with them. The lockup clutch in the OEM converter can...

Be Frugal NOT CHEAP!!! Plenty of cheap garbage parts out there: Knock-offs, wore out painted scrap sold as reman, bent, not rebuilt correctly... So be careful and best to ask on here first esp. for fuel injection parts. What is the condition of the body and interior? What would it cost to go...

And if not electrical they should have been feeding it out of a 5 gal diesel can a few parts ago...

Exactly this!!! There is only one "timer" on a DB2 and that's the cold start advance and high idle switch that's engine temperature controlled. It goes open on a hot engine. 10 min is about right. I bet they have the cold advance and run solenoid wires reversed. Off the top of my head it's pink...

I did not know this. Maybe you tow enough to make a diesel break even. I 100% agree on the expense of two vehicles. However we just went through that question with a FN LEMON that Won't Run and Drive, chokes to death on it's own hot underhood air still, and obtained another vehicle. I do...

Like old Patch ... you are working on THIS old worn out pickup past the point of ridiculousness. Except Patch wasn't a rust bucket. (It's too late and expensive to move to Phoenix, AZ now due to extreme housing costs.) Some parts, even with a lifetime warranty, are just wore out, bent, or unfit...

https://www.es-refrigerants.com/docs/SKMBT_C28011040114110-B.pdf Charge by weight and here is the equivalent weight chart to convert from R143A to the weight of the ES you need to use.

FULL STOP!!! The high pressure switch needs to be added to the 1993's. It goes on the compressor. There is a slug in the compressor now held in by a snap ring where the switch goes: of course only install when there isn't any refrigerant or pressure in the system. Learned the hard way the...

I have used Fel-Pro in the past. https://www.thetruckstop.us/forum/threads/1992-6-5td-rescue.44332/page-3#post-506415 Just need to knock some holes for the cylinders out... https://www.thetruckstop.us/forum/threads/bringing-1993-patch-back-from-the-dead.47688/page-4

I was thinking the bolts seeing the load and/or the shaft seeing the load of 100+psi and inertia vs. ability to simply close it.