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So, I have opted to replace and get on the road now with an Isuzu NPR... so now I can actually find the things I carry with me, instead of -owning them on in the van, -have them go to the bottom of the pile and -having to buy a second one at the supply house 'cause I can't find mine...

The second vehicle is underway right now (Suburban 6.5 w/trailer in tow) I'm not totally down, just lost productivity without having all my tools and stock. I can get out, but it's a real pain. Ferm, how can you identify the block? Where are the casting numbers, and which ones indicate best...

Here's my problem in short: The work truck (only work truck) started to have a temperature issue at stop lights. The heater would stop working when stopped at low idle, but be fine on the road. I thought that was a little strange, so looked into it further. I didn't start the engine, but...

Ok, thats one thing i wanted to know was "does the engine react by changes in rpm etc as it "learns" I didnt do the key off for 30 seconds, but something changed. Still have very favrorable MPG numbers. We'll see at the pump if it holds true.c

One of my greatest weakness is understanding the timing of the 6.5. Years I've read about TDCO, advance, retard timing and I've never focused on it. So, in another thread in asking for help with starting, someone brought up timing. I read posts and threads about koko, time set, etc, etc...

Well folks, I'm getting a little rusty here. So, I'm enlisting some helpful ideas from folks. There isn't really a no-start problem. It starts every time. I just takes a whole lot longer to get it started than any other 6.5 in driveway history. Bus 1 started in like half-a-crank, and so...

Yes indeed WarWagon... you bring up a good point about junk. My previous compressor had not actually died outright. Performance was lacking, it was a little low on charge, and I decided at 180k miles, to install a new (not reman) unit with proper charge etc, (before having a total outright...

It's been very warm... okay down right HOT in the northeast here as of late. Yesterday, after suffering a blow out of an o ring on the new lines I installed two months ago, I recharged the system. Name plate charge in the system, and off we go. We were operating in large family time...

Once it starts, it runs. It might fire a cylinder during starting to get you to think it's ready to go, but it's not. It's just enough to speed up cranking a little bit. No skipping, jumping, stalling, etc. Now, if there were a way to access the engine compartment well enough to install a...

The lift pump runs during the WTS (wait to Start). It primes fine during that time. When the fuel filter was leaking originally, I had to drain the filter, and then I just primed it several times during the WTS. Now, IIRC, gmctd and TurbineDoc had experimented around with the difference...

I will see what RPM registers one start up on the ScanGauge. I'm hoping for maybe a timing issue? We are talking a van with the easy-to-access injection pump. If the PMD was replaced, I don't know/can't see if the pump was rotated at all to access it. Now for the age old question of...

I am gonna get the filter changed. (on the to-do list) but I'm doubtful it's the filter at the moment. She will set you back in the seat with you want her to go. I've had dirty filters before on bus 1, and you can just feel the power leave ya when they plug up. As a precautionary item, I'm...

When I got it, it was just peeing fuel out of the filter. It was double gasket on the water in fuel sensor. No other leaks found. No fish-bite, misfire, etc, or optical sensor codes that would be associated with air in the fuel system. No smell of fuel either.

Ok, I know it's been a while and my skills are a little rusty, but I can't seem to come up with any ideas.... Here's the deal: All my 6.5's have always started very quickly... as in 1 second or less. With bus 1, even at 20 degrees outside, it would light up in about a half a crank. This...

E350 bus has been gone for over a year now. My son misses the chance to convert it to an RV, but the gleam he gets at the sound of a 6.5 in the driveway makes up for it now. The guy I just bought this van from dropped it off to me, and drove off in his newer Duramax van. I told my son: "You...

If you have a 94 and newer 6.5, and you don't have cruise control, this thread might be for you. This was my experience with my new-to-me-no-cruise-control vehicle. Let's review for just a moment: The 6.5 is a totally electrically controlled diesel engine. Diesels have no throttle...

Well, I haven't forgotten you folks in the last few years.... and now I can boast, not one, but two 6.5's in the driveway now. The Suburban now has a new arrival of an 01 Express 3500 friend in the driveway. Hope all of you are well. I have recently started my own business and haven't had...

Howdy folks! Well, as always, mechanical things will bring you back to the fold of old friends on the forum... The suburban is wanting a little bit of love here lately. Today's episode brings us to taking the wife out for dinner, and then an impromptu stop at the auto parts store on the...

Is this okay practice to use Rotella T synthetic in a gasser 350? I'm thinking that if it's good 'nuff for diesel service, a gasser should be no problem. Any thoughts?

97 Suburban 2500, 3.73 Rear, oversized tires, corrected speedo. Original IP, 4 original injectors (so far) 4 new. No soot trap, running at 4-6 max boost. Best to date: 17.7 mpg