6.0 or 6.4

Bigharm27

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Hey guys. In the market for a truck to play around with and make some power but still be somewhat reliable. Currently own a 6.7 but would like to have a truck to beat on and not worry about getting a scratch or two on it. Needing feedback on which one i would more than likely have better luck with. Would kind of rather a 6.0 because the market is cheap and I can have money for goodies but know I can make crazy and easy power out of a 6.4. All advice is appreciated!
 

Jonnydime

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6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 6.4 LOL
but that is just me.
 

sootie

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^^^^^ accurate representation of how many motors to be prepared for if you choose a six four as a toy...only needed to say six oh once haha LOL
 

Jonnydime

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But when it runs he will have a bigger smile with a 6.4!!!!!!!! Emphasis on the when.LOLLOL
 

Black AOD

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6.4s make the big power. Cylinder heads on them are terrible. Rocker Arms as well. When they break, they break BIG and cost a lot of $$$$$ to fix. Reliable K16 Injection pumps are just now becoming a thing and are still fairly new and not well tested yet.

On the plus side, they come with common rail injection but that somewhat comes at a cost because the factory filtration isn't great, very susceptible to water dilution and ruining the pumps/injectors. VGT compounds are nice, spool very quick. Very strong bottom ends, many people making decent power on stock rods. 5R110 trans can be good until a certain power level, lots of aftermarket options for it.

6.0s are older and cheaper now. They are the old Oil injection HEUI system obviously and take a lot more fuel work to make the big power numbers....However Jesse Warren, Jaran @ HDP and Charlie Keeter have done some really impressive things with them.

They don't have as terrible head issues as a 6.4 if you ask me, no D P F , basically the same trans, the 05+ still have coil spring front ends, pistons aren't prone to cracking, rocker arm wear is nothing compared to 6.4 rocker wear, and fuel system dilution doesnt seem as common on them. But its still a HEUI....
 

ThreeFitty

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If its not your everyday truck and you want something to throw some money at and have a blast I say a 6.4 fits the bill. Its crazy how much horsepower potential those trucks have. Then again im not sure if you want to keep it stock or kick it up
 

Bigharm27

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I posted it under both 6.0 and 6.4 sections to get opinions on both sides. But no. Looking to pump it up. Wanting some good power
 

Koda22

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yea I think a 6.4 is the way to go for cheap power. now like any truck if it decides to blow its gonna cost some money to fix it. I will say that I just love a 6.0 though
 

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