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how do i tell the left one from the right one? i took them off had a valve job haven't bothered looking hard really but is there a obvious way? depending how u turn them when u reintall them they will work both ways
Heads aren't side specific, but if these have already been used put them back how they were. The head with the coolant temp sensor fits on the drivers side.
but on a 79 L82, each head has a temp sensor. The one on the driver side is for the temp guage and the one on the passenger side controls the electric aux rad fan. Still doesn't matter which head goes where.
you know how the inside of the head has holes in the casting well i looked back on pics and saw how that casting edges was cut and identified them that way. haha