I've got a friend with an 01 and it's almost due for it's 75K injector swap. It has 230K and he says he has to change the injectors every 75K and now it's out of the 200K warranty.
It's a 3500 very heavy work truck & tows heavy almost every day, so what are the options for aftermarket injectors? I told him not to get another set of the OEM injectors and i would find out what would suit him best for his truck.

 

Wow! he replaces them EVERY 75K??? I wish I could do that!!!

 

Thats because he's putting the stock old design injectors back in. If he would get the new style modified injector the GM put out he would only be changing them about every 250K.

 

I'm looking for advise on which injectors he should get. Not the crappy dealer ones either.
tell me more, give me links. What works for his application.

 

Dynomite Diesel - Injectors - 01-04 LB7

 

is hes gonna do it himself tell him to get a new FICM too

 

Industrial Injection. 50hp,90hp,120hp. The latter is advised to run with modded CP3 or and dual CP3's.
I have the 50hp sticks. Balanced and extrude honed. Also you purchase the entire injector, made to order. Not just the nozzle.

 

in 03 thay sorta had the problem fixed. in 04 it was gone so you might not have to. my dads duramax is an 03 and his are fine. grantie he only has 55k miles

 

They're gonna go out eventually. All the injectors are made from Bosch, even the aftermarket ones.

 

well yeah. eveything is gonna go out eventually. but just not as early as the some of the other trucks.