l92 heads

Syn

Syn

Forum Member
i got a set of l92/ls3 heads that are 100% stock from the valves to the springs and only have about 1500 miles on them, perfect for the ls2 guys or someone looking for some cheap very good flowing gm heads,included are rockers and stands

taken these off my car to try something else i got a deal on :cheers:

perfect for ls2 guys trying to make some cheap power

$575
 
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They are the same casting design its just that the truck heads are cast in mexico

L92 Casting Numbers:
5364
823


and the LS3 Vette heads are cast in Michigan

LS3 Casting Numbers:
821

GM uses the same casting design on both (port shape and configuration and flow) but the numbers are different for tracking purposes since there are 2 locations
 
actually if u measure port location they are all shifted slightly different than each other. and also its not by a lot but they all flow a little different too....
 
1bad Lad said:
actually if u measure port location they are all shifted slightly different than each other. and also its not by a lot but they all flow a little different too....
Click to expand...

wow never heard of that, interesting info there
 
Pure84GTT said:
same here, GM doesn't even seem to know that
Click to expand...
like i said it slightly. well it sucks when u try to run a cnc program on one set of heads and then u put in the same design different casting number head in the machine and well when it touches one whole side of the port and not the other its obvious they're shifted. sucked.....so that made for 2 different programs we had to make.
 
I heard some castings are for the assembled heads and they are a little better casting???

they are nice...running them on a 6.0L and they pull hard!
bump 4 ya
 
bump trying to get any extra stuff out of the house by the end of this month!
 
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