Check the flow from the small line coming from the radiator going to the resevoir.
The return to the reservoir is a slight but steady trickle on my 1.6 but as soon as I race the throttle it sprays in there as good solid stream enough to spray out if I am not careful. It rises up and catches the edge of the cap area and then flies out the top. But I would venture an RPM around 2500 at that point.Just my experience, all water pumps are different but if working half as good as they should I venture all would produce a solid stream into the reservoir.
The head can be removed with the manifolds on it if you want to bust yourself getting it out to there. I leave the exhaust connected at the pipe but remove it from the head. Likewise I remove the intake. The studs are somewhat tricky to get to from the back but it can be done. The IP should go as well as you have to have the lines to the head off the injectors anyway. Clear yourself some room to work and you won't regret it.
Changing the distance from the valves to the top of the piston is going to result from shaving down the head. I always measure the protrusion of the pistons above the top of the engine block to decide on what gasket thickness to purchase. Bentley guide has ranges for individual gaskets. Once I know that height of the pistons over the block I still check the clearances on the valves as well. There isn't a lot of wiggle room with the top of the valve pushing down into the cylinder and the piston sticking up above the block. That is why we all recommend turning it over by hand a couple of full rotations on the crank when doing a timing adjustment. I have just been off a tooth on the IP and have had that wrench on the front of the crank go clunk and knew instantly to back it up and do it again. Something didn't align correctly.
Has the shop dealt with VW IDI diesel heads? If not, then do not have them cut the head surface. If it is not done right, the prechamber inserts will be loosened and can cause total engine failure later on. Factory says that machining the diesel heads is strictly verboten, but it has been done successfully by some. I have actually hand lapped a couple of them successfully and feel it is better on the prechamber inserts. Skill is required and the usual disclaimers apply.
I'm thinking the car is a total loss at this point, as I don't have the money to replace the head if it is screwed up from this.
Quote from: Tmarkle on April 29, 2017, 06:54:09 pm I'm thinking the car is a total loss at this point, as I don't have the money to replace the head if it is screwed up from this.Bummer!But not a total loss... you were gonna pull the head anyway. You could probably park it and get the coin together for another head, then get back in business. You've come this far...