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6.0 rocker box interchange

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13K views 9 replies 6 participants last post by  Bevisbeck2  
#1 ·
I have an 04 250 with an 03 6.0 in it and the passenger side rocker box is stripped out as well as a failed hpop. I know the early model stuff is crap and very unreliable and have heard that the later model parts are better. So my questiin is can i put rocker boxes,rails,branch tubes, and hpop of of a later model engine on mine and if so what modifications might be needed? The engine will be coming out of the truck soon for a freshen up and if i can upgrade it i will while im at it.
 
#5 ·
The '03-'04 OEM pumps were not the greatest, but their are pretty decent aftermarket options for replacement now. There are also some that aren't even as good as the OEMs were. Buyer beware. If you've got all of the pieces necessary to change to the newer style pump and it's going to be apart anyway, go for it. There's no real reason not to. If you have to buy all of the parts needed, an updated old style pump from @Corey@CNCFAB or an Adrenaline pump will probably be a lot cheaper.
 
#9 ·
my early 04 i had to change out the hpop after only 20,000 miles
reason
i was a dumbass when i fist bought my truck and got a pump from orealies. seriously failed one week after the warranty ran out...how do they even DO that :surprise:
a pump form corey at cnc fab
a terminator engineering pump
which is what i have now with zero issues but only because corey hadnt finished his upgrade pup when i ordered my terminator
or an adrenaline pump and yhou are good to go
you CAN go to 05 parts but honestly coreys pumps or mine or an adrenaline will out flow them
so why?
every year has its issues i would strongly consider reading up on the year you have and fixing its weak points rather than just importing the weal point of other years over to your truck.
i firmly believe you will be far happier in the long run that way :nod:
thats my 0.02 :D