Fresh Heads
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Senior User
Joined: Aug 2007
Posts: 176
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From: Covina, CA
Fresh Heads
I was at a junkyard today and found a 70' truck with fresh rebuild heads. I took the valve covers off and they dont even look like they ever had oil in them, like it was a project gone south. It was also strange that the drivers side had C6AE-R heads and otherside were D2TE-AA heads. Again both were fresh and I was considering getting them but didnt and now thinking I should have. What do you think of the different heads on this?? I was likeing that they were fresh to start, but concerned they didnt match. They go for 50 each there at the yard. I currently have a set of D4TE with Air for the smog, that has come out. Also now have a 390 that have a pair of C6TEG and C6TE-6090G. What heads would be best fit for the 390 that would be used for 4x4??? Any advise would be great. Thanks.
Cargo Master
Joined: Apr 2004
Posts: 2,574
Likes: 4
From: Golden, CO
The C6-R head has tall intake ports and a larger combustion chamber like earlier heads. Too bad you didn't find a matching set.
IMHO, if all you want is off-idle torque and driveability in everyday traffic, the later heads will probably better fit your needs.
If most of your usage will be at wide open throttle, by all means use the earlier heads and have bigger valves installed.
The C6-T heads look to be pretty generic to earlier castings: Tall intake with high exhaust port position.
http://www.network54.com/Forum/74182...asting+numbers.
IMHO, if all you want is off-idle torque and driveability in everyday traffic, the later heads will probably better fit your needs.
If most of your usage will be at wide open throttle, by all means use the earlier heads and have bigger valves installed.
The C6-T heads look to be pretty generic to earlier castings: Tall intake with high exhaust port position.
http://www.network54.com/Forum/74182...asting+numbers.
Logistics Pro
Joined: Oct 2005
Posts: 3,785
Likes: 4
From: Mddl A MexCans
I'd pass on them as they are 50 a set on holiday weekends at PYP, and you cant be sure they were properly redone without really checking them out. However weigh the cost of a solid rebuilds vs after market AL heads and decide from there IMO. A good set of cores is an easy 550.00 rebuild at a cheap shop IMO. If all go is what you want/The big port heads are out there just keep looking. The yards tend to turn them up for me often enough.
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