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The thing is... How is it a custom built ip has to be advanced so much to get it to run decent? What would I have to do internally to fix the advancement?

I did not have a shop check the heads. The motor has 23,000 orig miles on it. I installed ARP Head Studs with the Arp thread sealer., Honestly I think it is the IP. I will replace it with the old one once I replace the throttle Seal.

I did put this new ip on a different 6.2 and still had the same issues and ended up putting the old ip back on and the motor had no issues. I do not think it is a coolant leak because I did new head gaskets as well. I will test the cold advance. Other ideas?

Hello! I bought a custom built DB2 IP from Badgerdiesel eBay because the old ip was leaking from the throttle seal. I installed the new ip and the M1009 fired right up but ran rough with white smoke with the ip timing set mark to mark. I advanced the timing as far as I could and it runs a lot...

Yes you could try doing that. You can get some cheap from the junkyard.

From my experience they never really liked long tugs up big hills. You could... Upgrade the water pump, get a coolant flush done, have the radiator dipped and cleaned, electric fans with the mechanical fan, vented hood to name a few. Lower gears too.

I am going to start with replacing the relay and the Injection Pump and see if that helps.

Compression numbers are in! All cylinders are 390-410 psi. What do you guys think?

I wish it was that easy of a fix! Lol! I fired it up after another hard start and checked the blow by before warm up and there is some white puffs coming out of the filler. I took the M1009 to the shop to get the brakes power flushed since I just finished the rear disk brake conversion. After...

I put an eclectic pump on it awhile ago. It seems to be working. Could be too much pressure? I'll try your method and get back with ya.

Thanks for the video! Will check it for sure! Yes, I have changed the glow plugs. Even checked all the ohms and they are good.

Yes my bad... I had a manual flip switch and somehow hit it with my knee when I drunknly got out of the blazer... It does have some some blow by. How much is too much blow by?

I installed years ago a push button override glow plug button and an upgraded heated spin on fm100 fuel filter set up. What would be the normal cold watts/Amps for the glow plugs? I do have to be honest to get the best info from you guys. The hard starts did not start happening until I got...

Hello! I have a 1984 M1009 with the 6.2 diesel with only 50,000 miles on it. For some reason it seems to be having hard starts when the motor is cold. It has new batterys, new glow plugs. There is a puff of bluish white smoke that comes out after it starts with a heavy smell of fuel. Once the...

I checked oil. Still super clean with no metal shavings. I found the problem. It was a bad injector. When the motor was cold, I started it up, opened the hood and put my hand on the exhaust manifolds on each cylinder. Each one started to warm up except 1. I replaced that injector and filled the...

Transmission bolts are tight, torque converter is tight. Fluids are full and new.

Hello! I have an 83 Gmc 6.2 diesel truck Civilian I just swapped a Cucv J code with new injection pump on it. Only 30,000 miles. Started knocking loud and loss of power. Happens when at idle while in gear. Any ideas will help?

Today I took off all the glow plugs and matched up the element hole with a 13/64 drill bit. Very gently without touching the threads, I put the drill bit in the element holes and turned the drill bit with my hand going in a side to side motion in and out the element holes. There was quite a bit...

I was looking on line for a solution to clean the carbon deposits in the glow plug element holes to make it easier for me to put new glow plugs in. The only solution I found was a reamer which is commonly used for Mercades and a few other diesels. To be on the safe side, I wanted to ask the pros...

What size tap should I get?