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34/78! That’s the numbers my brain was short circuiting on! Haha.

hilarious Jay- how did I miss that?! Does anyone have a current code?

Do you still have the horrible side post batteries. If so- do the bolt mod for now and plan out getting new larger battery cables (gm is cheap with copper) and get them top post. And obviously the new batteries will be top post. I wanna say group 31/78 but verify that.

Welcome. Yes a fuel leak - or points where air gets into the fuel line will cause hard starting, no starting, running rough, loss of power & mpg, etc. Just patching together or looking for upgrades where available is a primary question. Your fuel line (factory anyways) is 3/8” from tank...

None that I have found. I put it in each of my vehicles. The only one I haven’t is the tahoe we bought at auction and I am about to yank that engine 100% apart anyways. I have two Toyota v6, i had a tiny improvement in mpg on one 0.1 mpg, never measured the other one. I haven’t heard of...

You could do it from metalwork, but the metal will heat up from the engine heat. Imo the solution with the silicone 90°s seems far better to have good airflow and block the heat at the same time.

It’s a coin flip if it will help. There are other things that cause the smoking- over fuel especially like from bad injectors. But getting the mpg you said you did- they aren’t bad. You said the smoke smells like diesel fuel so 8 don’t expect engine oil or coolant either. So low...

Something I haven’t been seeing that surprises me- more guys getting factory air boxes from junkyard on brand new dmax/cummins/powerstroke that are built to flow enough air for 970 pounds of torque & 475hp. Call me silly but that should support 99% of 6.5 alive.

If you want the best version of it, look into: Water to air intercoolers. Cost more performs more. Colder air is more condensed oxygen. More oxygen lets you burn the fuel you have more efficient. And if you smash the fun pedal now even more fuel gets burned more efficiently so more...

Ok; that is some great numbers with those tires & that speed. Yes an intercooler is a good thing. Take measurements what would fit then mosey through the junkyard…

Wow. I know some years did it. Ive no clue which…

There is always the rhino liner option- no clue on cost. But i have seen where guy put duct tape on the back side of holes a baseball can go through and it looks mint when done.

Pressure gauge yet?

@bubbabilt That sounds like a rig I would like to see if you get a chance. As mentioned above yes the cam will work- same cam specs. There’s a stack of advice about the engine while ya have it apart if interested. Fun play on the ‘bilt btw.

Adding a turbo will need you to make an adjustment on the db2. Here is how. 1/8 to 1/4 turn is enough for most. You can go more, if it’s too much you just end up with a puff of black smoke when you take off from a stopsign under hard acceleration.

Hopefully bumped the knob and spun the dimmer down? Other than that I am thinking headlight switch? There is a separate wire from it to the dash lights so maybe it lost connection in your Hiway breakdance move?

https://www.walmart.com/ip/Restore-8-Cylinder-Formula-Engine-Restorer-and-Lubricant-16-fl-oz/33753854 So you get the one for 8 cylinder. It’s 1 quart so you just add it when doing your next oil change and use it in place of a quart of oil. Drive truck as normal. Do your next oil change with...

And I would doubt Leroy would have extras in stock. Plus even if he did the shipping time to you wouldn’t be fun.

Ok. The 6.5 has a bad reputation for acceptable reasons. Knowing the issues that exist and making corrections is what makes it a good engine. Get your popcorn ready: Ive seen enough military take outs that died within 20,000 miles that I have a hard time not suggesting pulling the engine...

Yuppers to above- especially the speed. It’s really massive (says the guy who is floored till 10 over on the interstate). This is also a key in longer engine life. Have you added the “engine restore” yet? A couple treatments tends to help that smoke/ blowby. It was actually 3rd party...