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Get a better turbo than the OEM GM Asthma Attack® turbo. It will pay for itself in improved MPG towing. Less heat that can't get out the exhaust from GM's extreme backpressure with the turbo also gives you more power when the fan isn't screaming. You should contact @Twisted Steel Performance...

And some fool has drilled a bunch of holes in the air cleaner housing to CHOKE the turbo and engine on hot underhood air (and raise NOx emissions). Compressing HOT air with a turbo robs power... Get a used housing without the holes.

No. You have a PROBLEM. Start troubleshooting over and NOTHING gets a free pass. It's a year old and "used" at this time. Do you have a fuel heater anywhere is this aftermarket filter setup? Or is it an OEM setup with a fuel heater at the filter? Our 1988 6.2L NA 1/2 Ton Suburban had a...

Run into anything and the drawer becomes a missile. Bad Idea!

Just saying my 1995 had a new out of round, no, off center drum. One of the things I don’t miss. The backing plate also had wear groves on the passenger side. I have also been known to install a set of shoues “backwards” on one side.

What are other nearby sources selling home heating oil for? High sulfur, if that is indeed high, is a 2007+ DPF concern not the HPCR itself. It would also contaminate engine oil the old fashioned way lowering the TBN. Curious what %, if any, of Biodiesel is mixed in? It's an easy button...

I agree. My buddy's 1993 did the flash thing and it was a mode door actuator. Check all of the actuators before looking at the control head. Rec, mode, hot/cold. You could find the "bad actuator" by selecting a mode to match where it was stuck. Then it wouldn't flash on key on if you were fast...

What's in it now? Quite a few gasoline engines to choose from like an LS2 (400HP 400TQ) that make you put a decent transmission behind em and deliver good power and MPG. Slap a turbo or SC on a gas engine for the same complexity. Diesel's TCO is high esp. with the higher fuel price at the...

At least remove the SPAM links from the quotes...

Short version. Hose flapper restricting fuel flow at the IP fitting.

Set of gapless rings good heads and it could be on it's way patched for cheap. Yes the machine work gets expensive along with new OS parts. Than you look at wear in the rest of the engine. BTW That's not horrible blowby. I have run worse. It's also a failed oil fill cap regardless of blowby...

What GM did with this disposable engine is frankly an embarrassment. You will need other engines to validate the need. Are you solving one of the many deficiencies with this engine and/or a hot rodding problem in general? What about loosing oil pressure with them? So you want your engine to...

IMO the better solution is just coat the pistons. Are you reducing the compression ratio? At some point the engine oil can't take the heat with uncoated pistons and no squirters. Like EGT 1550, ATT, and a spool valve on 6.2L NA precups. I read somewhere the factory tooling nicked the bottom...

To close out the question of leaking PF-48 Oil filter: This van went through FOUR oil filters all leaking/loose before one year or an oil change light tripped (generally less than 3000 miles for a leak.) AMSOIL, Wix, AC Delco, brands all leaked. All GM Dealer installed during an oil change or...

It's got 200K on it, PERIOD. At 250K the truck starts to fall apart around the engine. It's frugal to run older vehicles, but, at some point you may want to get it down to two reliable vehicles and spend your time doing something else than major repairs like collectively we do on the 6.5TD rigs...

Watch the return line during the first crank of the day. It can be full of fuel, but, turn to air as the IP gets purged of air during cranking.

Look what showed up in the mail today! Now to figure out doing the actual job of putting them in... The "oil" preservative was a nice touch. Had to look close at these small parts to see the coating.

No. Check the oil level if you suspect something. Simply find where the leak is coming from. Warning high pressure diesel leaking (fine high pressure spray) will puncture your skin and you can loose your hand or die from the injury. Yes it's serious and dangerous. Use cardboard or a broom...

Again as I wrote in post #268: look for bubbles to see what side or both be the problem with T stat crossover removed. Remove valve covers and see if you find the coolant leak plain as day around a stud. We are assuming it's head bolts or gaskets vs. cracked block, cylinder, head. Coolant in...

ATT, CKO HX40II, and something off a 4 banger ... oh wait that's a GM3 Asthma Attack turbo. I believe the ATT kit isn't made anymore. The Mitsubishi TD-07 turbo and knock-offs without mods to fit a 6.5TD still is. It was a hellva stigma to break "use a better bigger turbo" Neither the ATT...