If memory serves me, that piston coating doesn’t expand with heat like metal does?
Yea I’ve seen guys put big fuel pressure to the injectors, sadly that adds pressure to the cam lobes too.
Years ago we changed fuel with vise grips and dimes which ever was handy lol.
Now days we can have a nice set of injectors built, along with a good pump to match then. And not worry about cam lobe failure created by the extra pressure of the high fuel setting on the pump. Pressure added the the fuel, adds pressure to the cam lobes too. 30 years ago we would build a stinger and put in the pump to gain speed, gotta watch that though, you can eat a turbo lol…
Building a big cam 3 400
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Adisiwaya, Sep 12, 2021.
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wore out, Oxbow, spsauerland and 1 other person Thank this.
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Mahle uses coating on piston skirts for years called grafal. It is graphite based. Used on Cat Acert and Cummins ISX.
Race Proven Technology - MAHLE North AmericaOLDSKOOLERnWV, Oxbow and bigguns Thank this. -
OLDSKOOLERnWV and Oxbow Thank this.
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Oxbow and OLDSKOOLERnWV Thank this.
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@SmokinCAT they have to be better than what was in it….
A poster on the enthusiast forum use to own this truck. He had sent me a pic of it when it pulled a bull wagon during his ownership. He highly recommended a company he uses in Pennsylvania not far from him…. What a big ### MISTAKE!! They charged me $1200 for 6 injectors, and I’ve had a constant little smoke problem from the moment I installed them.
I used Premco once before…. I’ll never stray again. They are in deed a good company producing top shelf components.
I was talking with our mutual friend Matt in NC, he mentioned a shop close to him that does great pump work for him. Thinking of sending him my spare pump since my local guy will only do factory settings and maybe give 10%.
I had a pump built in Kentucky, actually got their info from the enthusiast page…. Never again!
Governor has never worked properly from the moment I put it on. And other issues….Dino soar, spsauerland, Oxbow and 1 other person Thank this. -
OLDSKOOLERnWV and Oxbow Thank this.
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I have always been curious how the anodized bowl design that was found on the higher HP mechanical N14s held up since that is an actual chemical change to the metal.spsauerland Thanks this. -
Last edited: Mar 15, 2022
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I have thought about taking a set of new pistons and just having the crown anodized to see how much they will take.Diesel Dave Thanks this. -
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