Duramax Diesels Forum Truck of the Week
  #781  
Old 11-18-2018, 04:44 PM
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What about anodizing? Top fuel pistons are anodized all over
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  #782  
Old 11-18-2018, 08:28 PM
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My understanding is it could be difficult to anodize cast aluminum, as Jon mentioned the high silicone content, doesn't anodize at all

Possiblity a great Idea if it could be done
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  #783  
Old 11-18-2018, 10:11 PM
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For reference I found a couple pic of these pistons before and right after they were first installed.

Here is what Diamond has to say on hard anodizing.

http://blog.diamondracing.net/what-i...hard-anodizing
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  #784  
Old 11-19-2018, 12:33 AM
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Thats pretty good info right there. I did notice that it seems that they only do it to their forged pistons and not cast. I would fathom that if anyone knows it would be them
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #785  
Old 11-19-2018, 07:48 AM
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Good info
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04 GMC ECSB LLY - Mix breed trans/SC1056 - Profab - PPE - Kennedy twin pumps/pickup - Danville tuning: 531/944
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  #786  
Old 11-19-2018, 08:03 AM
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This thread so far off topic now, we're going to have to change the title to none of the above...

Edit: maybe we call it all of the above... Lol

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Last edited by kidturbo; 11-19-2018 at 08:41 AM.
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  #787  
Old 11-19-2018, 09:39 AM
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Aren't we still talking about your pistons from this engine (s) build?
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #788  
Old 11-19-2018, 09:51 AM
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Yeah on twins with singles now though... we have covered quite the wide range of topics lately. Just joking

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  #789  
Old 11-19-2018, 02:47 PM
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The thread of all knowledge
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04 GMC ECSB LLY - Mix breed trans/SC1056 - Profab - PPE - Kennedy twin pumps/pickup - Danville tuning: 531/944
I can't complain, but sometimes I still do
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Jesse
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  #790  
Old 11-19-2018, 03:52 PM
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Just another typical boat build...

Do you know why you keep doing it to yourself? BC I don't know why I do...
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  #791  
Old 11-19-2018, 08:14 PM
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After I sold the little boat, I bought a big cat with full intentions doing this build. Then I realized I sure the hell couldn't afford it. So I sold that boat, a month later I get a call from some crazy dude in Australia, who says no one over here we'll attempt this build for me.. think I should have considered that statement a little harder.. lol

But in the infamous words of Jerry Reed I replied, we're gonna to do what they say can't be done...

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  #792  
Old 11-19-2018, 08:36 PM
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Quote:
Originally Posted by NC-smokinlmm View Post
Just another typical boat build...

Do you know why you keep doing it to yourself? BC I don't know why I do...

There's your real thread title right there.
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  #793  
Old 11-20-2018, 01:10 PM
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I have had no luck anodizing the cast pistons. The coating is splotchy and uneven.
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  #794  
Old 11-20-2018, 01:36 PM
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I brought second engine home Danville last night. Will pop the head off tomorrow and compare the innards.. Then I'll make the call on which way we go forward. Leaning hard towards cleaning polishing the piston tops, since there looks to be a few scuffs in cylinder walls that don't match up with ring gaps.

Also got see the latest stand along Bosch ECU and harness in action on Marks little Duramax yesterday. Nice piece of hardware for controlling big power.
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  #795  
Old 11-20-2018, 08:47 PM
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Ok time for a little something new.

Broke out one the NLX turbos today to try and see how, and where I'm gonna mount these puppies. Gonna have to be tight to the Banks intake, and low as possible to clear some boat restrictions.

Also need to finalize the positive air shutoff placement. Just happen to have a new LS throttle body setting on the bench, which got me thinking. What if I modify one to fit between the turbo outlet and main intake. Maybe spring loaded with solenoid actuator design.

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