Twins with Twins, Anyone?

[kidturbo]

Well that’s disappointing, but at least lml salvage values are falling so plenty of trucks available for parts.

What issues did you find with the L5P block?

Few pages back it was brought up.
Lifter have issues. Oiling related or just cheap part, needle bearins seem to fall out. Never an issue before.

Biggest issues is rods starving at startup due to some geniuses CAD blunder. Unless ya know of someone else, think I'm still the only guy to ever spin rods bearings clean out of a duramax. And then weld up and reuse that same crank. Is my first post here on the PPE boat I believe. Wasn't a GM issue, was marinization mistake by that crew that starved it for oil.

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[2004LB7]

Few pages back it was brought up.
Lifter have issues. Oiling related or just cheap part, needle bearins seem to fall out. Never an issue before.

Biggest issues is rods starving at startup due to some geniuses CAD blunder. Unless ya know of someone else, think I'm still the only guy to ever spin rods bearings clean out of a duramax. And then weld up and reuse that same crank. Is my first post here on the PPE boat I believe. Wasn't a GM issue, was marinization mistake by that crew that starved it for oil.

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How hard is it to modify them to use the traditional lifters? Is it even possible to retrofit them?

 

[pl_silverado]

How hard is it to modify them to use the traditional lifters? Is it even possible to retrofit them?

Well it certainly doesn't look easy.

 

[2004LB7]

View attachment 136789

Well it certainly doesn't look easy.

Nothing this couldn't solve


Is there enough meat in the block to bore it out?

 

[TheBac]

I so want to see someone take a junk L5P block and do that. ^^^^^^Would be frickin hilarious.

 

[kidturbo]

Then fix the holes in the main bearing bores and good to go..

I passed on opertunity to do one cause of those two issues. Would like to do a new 6.7L Powerstroke if anyone interested. The reverse flow heads lends itself to quicker builds and less $$ in custom marine exhaust. No up pipes to condend with.

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[pl_silverado]

I so want to see someone take a junk L5P block and do that. ^^^^^^Would be frickin hilarious.

I'll give it a go if/when I blow up my compound truck. Think I have a used set of lmm lifters here somewhere.

 

[2004LB7]

I'll give it a go if/when I blow up my compound truck. Think I have a used set of lmm lifters here somewhere.

 

[pl_silverado]

View attachment 136798

I'm doing my best, beating the crap out of it on the hot tune everyday.

 

[kidturbo]

Hopefully someone comes up wirh a decent replacement lifter. But if recall, closest size match i could find was 5.0 coyote motor.

But I'm all about watching someone drill them out.

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