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I've been working on a friends 69 pontiac to give it some ls power and hopfully better than 11mpg. Swap details
2005 5.3/4l60e for 2wd tahoe
2008 truck 5.3 water pump to clear intake
4th gen pace setter headers (gonna try and make them fit pass side trial fit showed 1 tube that needs massageing)
2002 f car swap harness
Bowtie overdrives trans crossmember
random ebay engine plates with prothane mounts
2002 f car radiator and fans
New Engine..65K on it
Pulling out the 400
no turning back..
Awaiting the engine!
Some pontiac blue on the valve covers (and coil mounts not pictured)
I'm doing an 05 5.3 in a 72 442.
I got the 300-123 pulley, but it's not dished deep enough to align with the truck accessories without spacing the pump back. It works, but looking for a better alternative.