Truckers, lets see your rigs!

No 4cks left the factory with steel top pistons, 8PN would be the only mechanical truck engine that did.

Depending on the power level the piston will change.
4CK17160 PEEC. I'm not mechanical savvy at all in regards to rotating assembly.
Tech installed 0r8717.
The engine had double outlet jets. Was changed to single outlet jets.
7w4990.

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4CK17160 PEEC. I'm not mechanical savvy at all in regards to rotating assembly.
Tech installed 0r8717.
The engine had double outlet jets. Was changed to single outlet jets.
7w4990.

Sent from my XT1575 using Tapatalk

0R8717 is an odd ball pack, it is an aluminum 15.9:1 compression piston.

That engine originally called for a 15.2 aluminum that is not listed in SIS as having a cylinder pack, but with a couple crosses through the parts store it comes back to pack number 0R9847 which is a 15.5:1 2 piece that would have required the dual jets.

Also just because an engine has dual jets doesn't always mean there is a steel top in them, there were some 14.6:1 aluminum pistons used in early 460hp peec engines that have the open chamber under the bowl like a new style acert piston, and those require dual jets.
 
That's why there was such confusion. I was given the # for the retrofit pack, and I think it crosses back to the one you listed, in npr.
This engine was a cluster from the word go.
I never got to touch it. Just asked to find the jets for the pack that went in.

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That's why there was such confusion. I was given the # for the retrofit pack, and I think it crosses back to the one you listed, in npr.
This engine was a cluster from the word go.
I never got to touch it. Just asked to find the jets for the pack that went in.

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The engines that use the 0R8717 pack aren't cut and dry about which cooling nozzle they use, there are two options listed in the block options.

7E-3632 and 151-5928
 
The engines that use the 0R8717 pack aren't cut and dry about which cooling nozzle they use, there are two options listed in the block options.

7E-3632 and 151-5928
Thank you.

Now we wait and see how long the crowns last.

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Something about pictures
8fbf35d76e9950a4f3cf2857616675bb.jpg

7742b33bcd09b9083316623e43890283.jpg

ed3496c58a3192502ef098033eee0cdf.jpg

217e57e02bbc6ff898a3f322d6efaf40.jpg



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I don’t know if I hate the paint (or lack thereof?) on that truck or love it.
Someone else can speculate on the trailer skirts LOL
 
Last edited:
Trailer skirts are because my new thermoking biggest latest greatest unit with less than 5k hours on it ate an injection pump. Therefore I’m pulling a spare.


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Something about pictures
8fbf35d76e9950a4f3cf2857616675bb.jpg

7742b33bcd09b9083316623e43890283.jpg

ed3496c58a3192502ef098033eee0cdf.jpg

217e57e02bbc6ff898a3f322d6efaf40.jpg



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I love open hood picks. Especially when the engine is all cleaned up and nicely painted and wires and hoses are neatly organized.

I am actually digging on this truck. Paint isn't nice but with the stainless and polished aluminum it looks good, and classy.
 
I love open hood picks. Especially when the engine is all cleaned up and nicely painted and wires and hoses are neatly organized.

I am actually digging on this truck. Paint isn't nice but with the stainless and polished aluminum it looks good, and classy.

Totally agree,
The faded paint and all other details included give the truck a Great look and character.
 
whats the inside look like?



I love open hood picks. Especially when the engine is all cleaned up and nicely painted and wires and hoses are neatly organized.



I am actually digging on this truck. Paint isn't nice but with the stainless and polished aluminum it looks good, and classy.



I’ve showed an engine pic?

Me me see if I can dig up the interior pics.


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