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I did a shit ton of research online and read that there is a 1977 454 7 blade fan that would bolt right up with the clockwise rotation. Could a HMMWV fan work that has the V-Belt? Here’s link: https://www.dieselplace.com/threads/6-2-fan-upgrade.180468/ So you tried the cucv dual alternators...

Great advice! Thanks! I bought a Flow Kooler Water pump that rotates clockwise and is said to flow 110gpm with the 16 blades. I’ll post that up when I install it. Fan choice is minimal.

The oil pump drive/vacuum pump gasket arrived. It was a pita to find. All the Auto Parts stores could not find it. After a lot of google searching, I found the part number and ordered it from Ebay. For reference: Gm part number #14022649 So I installed the 6.2 Oil pump drive/vacuum pump on the...

The 3rd coat of paint really brought out the shine on the oil pan!

That’s the thing! I planned it just right! It is my Sons turn to do the dishes. He gets to clean the sink! 😝 Am I bad or just too good!

Done for the day. I have to play the waiting game again until new injector copper rings and a oil pump gear drive gasket shows up in the mail. Motor covered once again...

I took off a crank shaft position sensor delete cap from a spare 6.5 timing cover and installed it on the Optimizers timing cover since it had nothing. Also installed the injection pump gasket.

The threads on the 1/8 npt bung that was welded to a spare 6.5 oil pan was not tapered deep enough for my oil temperature sensor. I tapped it a little deeper and it now fits great! Satisfied, I wire wheeled the used oil pan, cleaned it up in the kitchen sink with soap and water, let it dry off...

I grabbed the best looking driver side exhaust manifold from my plethora of parts and refurbished it. I wire wheeled it and blew off the outside and inside with compressed air. There was a lot of pitting on the manifold port ends so I decided to use the Spray A Gasket copper spray. 3 coats...

Next I bought a 600 watt block heater. I popped out the freeze plug and pulled it out with rat tooth vice grips. I used a wire brush attached to my drill and cleaned the port. Then I used a Scott’s pad and fine sanded it. Cleaned with brakekleen on a paper towel, took off the rubber seal and...

I grabbed a pair of fuel injection line brackets and refurbished them by cleaning them up in the kitchen sink with a wire brush, hot water and simple green. I installed them afterward.

Next I installed the 6.2 driver side Water Temperature Sensor on the 6.5 Optimizer. I had to remove the plug with an Allen wrench, clean the threads on the block and sensor and added Optimum Black on the threads of the sensor. Used a 21mm wrench to tighten it. On the passenger side I installed...

I installed the Quadstar Oil Drain Plate. I am very impressed with how wide the drain tube is. I used a Felpro gasket with Optimum Black RTV on each side of the gasket. Note: The bolts Quadstar gave for the Oil Drain Plate are not the right size or length. I had to go to Ace to get the correct...

On Friday afternoon I sold a good bare 6.2 block, good 6.2 crank, cam, harmonic balancer and today I used that money to buy brand new Bosch 6.5 Injectors to mate with the 4911 pump. Made in Germany OEM from Accurate Diesel. https://www.accuratediesel.com/shop/216.html

Woah! 3 pages! 😂 I just wanna know what temperature your temperature gauge reads when on a long drive? I say if it’s running great then drive it like you stole it! Case closed! Or tell the shady mechanic $12,000 and it’s his and buy a much cheaper one and pocket the profits!

Note: The Optimizer has wide mouth precups which comes Standard on all Optimizers I believe which would allow a crap load more fuel if needed. But, I am not looking to build a short lived power wagon. My goal is no more then 10 psi boost. I will keep the wide mouth precups but keep fuel set for...

I checked inside each intake port hole and looked for any foreign things that should not be in there. All the valves look shiny new! I put the plastic cover back on and called it a good 15 minutes for the day. 😂

I got off work early today and opened up my spare glow plug box and pulled the best used glow plugs out and then installed them on the Optimizer. Yep, G60s. I checked the glow plug depth using a flashlight peeping threw the injector hole and made sure nothing was in there that should not be in...

Ok. I am back to questioning your injection pump and injectors. Will you post video of the motor running and show the exhaust as well? Also where did you get the pump and the injectors? Yes it matters. Is there any Thumping noises from the intake? Any ticking noises? Could you install a...

What temperature did the motor get to on the gauge with the thermostat installed?