5.3 engine swap

[mike.gelormini]

Hi everyone
I was wondering if anyone knows what the difference in vin code z and t engines are?The z is out of a flex fuel 2003 suburban and I'd like to swap it into my 2003 Avalanche. Wasn't sure if the heads are different or anything else.
Thanks for any info!!
Mike

 

[2005_Silverado]

injectors are the main difference between z and t. Id change the intake manifold from yours over the Z motor, rest is the same.

 

[mike.gelormini]

Beautiful thanks a lot!!!