Head casting cunundrum
Ok I have two sets of heads for my 6.2 with the following casting numbers:
14077162 heads that are on my 83 truck which had a bad head gasket. 10137567 heads that are on a newer 90's 6.2 with a blow rod. I bought this truck for a donor motor swap for my 84 dually. The kid I bought it from took the 83 apart and said the original 83 head just didn’t look as good as the newer one and took a few of the valves out. So he purchased the 90's motor for a head donor, but was only going to use one head. I think the original head is ok just maybe lap the valves and should be good to go. Question is: are either number better than the other, can I use one of each head or do I need to replace them as a set, what are the differences? I have been told tha tthe injectors are different (fine and corse threads) but I took an injector from the 90's motor and it screwed right in to the 83 head. Thank you in advance and any help would be greatly appreciated. |
The injectors are the same thread. 82 was the only year they used coarse thread. I would switch both heads. They did some minor changes but the big one would be whether it is a j or a c engine. If you use both heads it will not mater.
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