so, i am currently gathering parts for a minor engine project to be swapped into my '82 rabbit truck.
the truck is currently running a stock 1.7L 8v CIS gasser engine.
i recently purchased a 1.8L 10:1 high compression block and a separate 8v hydro CIS head, including a stock cam and an autotech 270 cam. some random knock sensor equipment was included (distributer and box).
the head has this number stamped on it: 026 103 373 AA
the seller and i were both under the impression that this is a CIS big valve hydro head. but when i got home and measured, the valves measured 38mm/33mm instead of the desired 40/33. not a big deal, as the price was a good deal for the cam alone.
i have since concluded that this mystery head is from an '85...please correct me if i am wrong. but it seems that in '85, vw made the 38/33 CIS hydro head.
ultimately, i would like to use a 40/33 big valve hydro head for this project.
next time i go to the junkyard i'm digging for a 40/33...
so, my question is, exactly what models and years did vw use the 40/33 big valve hydro CIS(-E) head?
what numbers/letters will designate the big valve hydro CIS head? 026 103 373 G ???
any additional related information is much welcome, i searched and searched and searched and couldn't find any solid information.