03-04 or 04.5+ ?

[The Legend]

my friend is makeing the switch from 7.3 to dodge cummins please give me your advice on witch engine is better and why please ? 03-04 or 04.5 + thanks

 

[not enoughsmoke]

03 is the best and dont melt down on a regular basis

 

[SKYNYRD]

go with the 03-04 ecm it has one less injection event and is less likely to melt down the pistons.

 

[nfkfirefighter]

how much power is he going for?

 

[The Legend]

He is lookin for 550 to 600 h.p. no more

 

[jordanjames81]

03-04 he should get 550hp easy

 

[The Legend]

has anyone had head problems with 03-04 valve seat comming out or is this not that common ?

 

[The Legend]

anybody ? never any valve seat problems on cummins 03-04 ?

 

[not enoughsmoke]

yes several u cant get it to hot

 

[The Legend]

Thanks how hot is too hot ?
egt temp or coolant temp ?