I just recently acquired an 04 lb7 truck that has a seized motor. I'm not going to tear into it to find out why its seized, mainly due to cost and lack of experience with dmax internals. I have two options as far as what to do, go with a used motor I got or a GM long block.
The used motor I got is a 02 lb7 complete motor with 303K on it, that needs injectors at minimum. I personally know the guy I bought it from, he said it had 2 dead injectors and ALOT of blowby, not sure if that's due to the dead injectors or not .He did a compression test and all were equal around 320. If I go with this motor it'll get injectors, injector cups resealed, cp3 pump, head gaskets, water pump, all other gaskets/seals, and whatever else it needs once I tear into it.
My dilemma here is I've read/heard that if the heads need any machine work it can get expensive quick, and seeing that this motor has 303K it most likely will.
The GM long block lb7 I can get for $5500, which comes with no injectors, so basically it would still need injectors, cp3 pump, water pump, and transfer over all the accessories.
The truck is going to be my DD, and I plan on putting a lot of miles on it, towing included. Its not going to be a race truck or anything crazy, but it will get things like efi live, lift pump, gauges, intake, LBZ mouthpiece, 3" downpipe, 4" or 5" exhaust, and potentially manifolds/up-pipes & bigger injectors.
So basically I want opinions on whether I should even bother putting money into the 303K mile motor or If I should just dive in and get a GM long block. Thanks in advance
The used motor I got is a 02 lb7 complete motor with 303K on it, that needs injectors at minimum. I personally know the guy I bought it from, he said it had 2 dead injectors and ALOT of blowby, not sure if that's due to the dead injectors or not .He did a compression test and all were equal around 320. If I go with this motor it'll get injectors, injector cups resealed, cp3 pump, head gaskets, water pump, all other gaskets/seals, and whatever else it needs once I tear into it.
My dilemma here is I've read/heard that if the heads need any machine work it can get expensive quick, and seeing that this motor has 303K it most likely will.
The GM long block lb7 I can get for $5500, which comes with no injectors, so basically it would still need injectors, cp3 pump, water pump, and transfer over all the accessories.
The truck is going to be my DD, and I plan on putting a lot of miles on it, towing included. Its not going to be a race truck or anything crazy, but it will get things like efi live, lift pump, gauges, intake, LBZ mouthpiece, 3" downpipe, 4" or 5" exhaust, and potentially manifolds/up-pipes & bigger injectors.
So basically I want opinions on whether I should even bother putting money into the 303K mile motor or If I should just dive in and get a GM long block. Thanks in advance
