Way too much - Squishy can give you the low down. But you really don't need to pull anything but the exhaust manifold IIRC. The head comes off pretty easy. Easier than the rest of the timing chain job IMHO.
I bet he could do it cheap as a side job though. [shameless plug] He'll make sure everything is square, flat, and copasetic.
Heb Dduw, heb ddim; Duw a digon
I'm that gun-totin', farm-raised, evangelical, pro-environment, OHV ridin'/drivin', Southern civil rights pro-labor Liberal yo' momma told you couldn't possibly exist.