Oil Pan Clearance

[truckster]

Originally Posted by garyd1961

Just wondering because if I remember right the 4-wheel drive had a bigger oil pan and they look like 3/4 ton 906 casting marks on the heads. I just looked at my heads on my truck and yours look close but a little different. The 1/2 ton 062 heads have a saw blade casting mark.

The heads are actually aftermarket cast iron Vortec heads with a heavier casting. The original heads were 906 castings but they were cracked.