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Can you guys recommend a diesel compression test for our 6.5,s ?

Thanks Will and your concern

OMG thanks so much you guy’s probably saved my life!!! I do enjoy this forum I usually check back unless I really busy. i will no do a compression test wet. I repeat No Wet! I planned on the lift pump but I will disable LP and test crank. Probably saved me from a lot of damage. The glow plugs...

Wow guys👍 I’m not alone thanks so much. I feel better attacking this with all your guys help. OK enough of the sissy stuff😪. Boy a lot of good info coming from u guys. My biggest fear is after doing a compression test (cold) and finding the readings pretty even and not finding any signs of...

Gentlemen thank you for all your input. My god there are a lot guys on here that know their 💩. Ever since coming to this group I’ve learned a lot about these motors. Love this forum😎.I’m an old ASE retired wrench monkey. Will, first things first. Your hummer isn’t that ugly. Back to my issue. I...

that is why I recommend tearing down the new mass produced engine. Do mean getting a new Optmizer and and getting inside to do the improvement?🤔

From what I’m reading on the web AM General makes the supposedly new block. Navistar ( the foundry ?) markings on the block. Look for a date code after 2001. AM General website list two suppliers of their engine , Unique Diesel out of Texas and Leroy,s. Unique Diesel offers the supposedly new...

Who chris?

Thanks guys, I will have to pull the heads to see where I’m at, There are so many engine suppliers out there, all kinds of info, new and redesigned , different metals , p400 blocks, 50something blocks, China knock offs, etc. A lot to digest🤯. Thanks again.

Thank you very much

Thanks TSP, looked on the internet to find your website to see what type motor package you offer. I just seen your Facebook page. Thanks for your reply back

Hi all it’s being awhile since I’ve been here. Since then my truck has 166xxx miles on it. Oh also a blow head gasket🤯. White smoke coming from tail pipe. Unfortunately I drove it awhile before the white smoke came out the tail pipe and the head gasket may have been starting to leak (Low heat...

Thanks T. I think I’ll look into those kits. I checked for DTC,s, I thought I posted that in my first post. I wish I could check the data stream, but no Tech2. I do have the Scan basic software ( but my laptop is down😂).Do you think it will give me enough info to diagnose?🤔

Thanks NVW and AK. I’ll check the sensor. Any thoughts on the repair of the TCC sol. bore sleeve? Thanks again.

Hi all, it’s been awhile. Does not happen all the time. No DTC,s Checked trans. pass thru connector,ok (New a year ago). Repaired a wire splice going from brake switch to ECM and replaced brake switch, thought I fixed it but no go. Checked trans.shift solenoids, ohm readings seemed ok.Went ahead...

Hi all, I’m up grading my gauge cluster lite to leds. Apparently GM used two types of twistlok sockets in there gauge clusters On there 1995 silverados. All the one I can find won’t work because the electrical contacts are 90 deg. to the locking tabs on the socket mine are about 30 deg. see...

I have a 1995 k3500 6.5 with no tail lites. Brake &turn work. Couldn't fine a tail lite fuse just an ILL. (Illumination) 10a fuse. Turned headlamp swt. on head lites on, instrument panel lites on. 10a ILL. fuse good but no voltage at fuse terminal. Also fuel gauge problem. Reads past full...

Thanks a lot

Thanks a lot man