IDI_Journeyman
Full Access Member
So I’m working on an engine for a customer of mine that is supposedly a factory turbocharged 7.3 from either 1993 or 1994. The engine came with no turbo, but the guy that sold it said it is a turbo motor with the stronger pistons and whatnot, he had just sold the turbo kit separately.
Personally I believe it’s a turbo motor because of two things. 1 is it still has the factory heat shielding on the back of the heads. And also because the engine number near the timing cover starts with “7.3 T” (pics posted below)
I took the heads off it yesterday for an inspection of the pistons and the valves, and I found that some pistons are “A” pistons and some are “C”. Is this normal?
I also found that 5 out of the 8 pistons have a slight amount of damage at the top where the injector fires. My Theory is that the guy pumped fuel up with no pyro and got the ol girl a little too hot.
So I guess my questions are, do you guys think this is a factory turbo engine? And how bad do those pistons look based off the damage?
Any advice or comments is greatly appreciated.
Personally I believe it’s a turbo motor because of two things. 1 is it still has the factory heat shielding on the back of the heads. And also because the engine number near the timing cover starts with “7.3 T” (pics posted below)
I took the heads off it yesterday for an inspection of the pistons and the valves, and I found that some pistons are “A” pistons and some are “C”. Is this normal?
I also found that 5 out of the 8 pistons have a slight amount of damage at the top where the injector fires. My Theory is that the guy pumped fuel up with no pyro and got the ol girl a little too hot.
So I guess my questions are, do you guys think this is a factory turbo engine? And how bad do those pistons look based off the damage?
Any advice or comments is greatly appreciated.
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