5.3 help
07-06-2018, 01:12 PM
#1
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5.3 help I have a 2005 Crew cab truck with the iron block 5.3.I have to replace the head gaskets.I was told I could replace the heads with heads off a 6.0 or 6.2 GTO, G6 or Corvette and really wake this motor up.
i was wondering how true or even feasible this is, or is their other factors involved in more parts or tuning. Any advise is greatly appreciated. Im not trying to build a hot rod, just looking for a little more hp
to pull a boat.
i was wondering how true or even feasible this is, or is their other factors involved in more parts or tuning. Any advise is greatly appreciated. Im not trying to build a hot rod, just looking for a little more hp
to pull a boat.
07-06-2018, 01:14 PM
#2
Restricted User
The 6.2 heads won't fit. The valves are too big and will hit the cylinder wall.
6.0 heads will drop compression a full point. They won't wake it up, they will put it to sleep.
6.0 heads will drop compression a full point. They won't wake it up, they will put it to sleep.
07-07-2018, 09:10 AM
#3
TECH Resident
If you have 862 or 706 heads send them to Texas Speed and let them re work them, best bang for your buck. several others do the same service but I'm closer to them..