Truckers, lets see your rigs!

jfaulkner said:
On stock HP I don’t know how much matters but I know for a fact with high HP the SDP fuel pump is a bad mf’er. 1000hp truck can drag a stock MXS pump to like 60psi. But mine never drops below 100 above 1500rpm and is as high as 130psi at just high idle. And they’re the same price as every other pump. And it’s more than just the pump spring. Tried just moving that and it didn’t work.
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SDP pump with stock relief valve in the base?



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jfaulkner said:
Then you would have to change your tuning like with Leiffi’s turbo.
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Yea, they're the best at tuning, that volvo was perfect, but didnt have the right turbo for that tune. Or was it not the right tune for that turbo? Wha??? I still cant get past that. *bdh*Maybe it was sarcasm I didnt understand
 
Rig Wrench said:
Yea, they're the best at tuning, that volvo was perfect, but didnt have the right turbo for that tune. Or was it not the right tune for that turbo? Wha??? I still cant get past that. *bdh*Maybe it was sarcasm I didnt understand
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Ever hear the saying “carpet match’s the drapes”? It’s a lot like that in the Volvo world, Leiffi’s dress has to match his European Shoulder bag.
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biggy238 said:
Davco or tanks?

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Going to pull the valve cover and if the cam is junk it’s getting a cat. Owner said if it needs just a head he’s game but anything else it’s getting pulled.
 
Well, got a call back. Found several small things he’s buttoned up already.
He’s wants to redo the overhead and continue on his list of things to check.


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A list is good, means he didn't go in looking for anything specific and he'll recheck everything. It'll be interesting to see what he comes up with and if it fixed it

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chevota84 said:
A list is good, means he didn't go in looking for anything specific and he'll recheck everything. It'll be interesting to see what he comes up with and if it fixed it

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Same thought I had. So far I’m pleased with his route. Actually diagnosing instead of throwing parts at it.

He found several smaller boost leaks. Was fixing those, and was heading to the overhead.

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jfaulkner said:
Going to pull the valve cover and if the cam is junk it’s getting a cat. Owner said if it needs just a head he’s game but anything else it’s getting pulled.
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I don't doubt you, but what is it about these heads that is letting coolant go to tank, rather than the other way? I'm accustomed to the fuel being the higher pressure field, so it displaces the coolant.

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God some bad news pretty well. Everything he’d found, was stuff I’d specifically asked to be checked. Upon him running the over head, he found some more stuff. He scoped the cam and several lobes are showing wear that aren’t ideal. Said it’s fine right now, but it may come apart in 2 weeks, may last 2 years.
Said he wanted to go ahead and run the overhead how he likes them, and then was gonna start on a few other things.
He swapped in a known good transfer pump he had. Idle pressure is 85, with high idle around 110.
I’ll know more Monday some time. Until then, me and the freightliner gotta keep moving. It’s been getting 6-6.2mpg for me which is ok but, it’s a giant pile of chit that I can’t stand to drive.


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