The only stupid question is the one that doesnt get asked.
Would be a REAL good idea to get someone in your area that you know has built many VW engines that have ran well and long to help you with this build. You cant rely on a good domestic engine builder either. These VW's are a different animal. I work with many highly trained, experienced and certified mechanics that cant do nothin to a VW without screwing something up. Find someone willing to spend some time and teach you how to maintain it and how to diagnose problems with it before they turn into major problems. They are definately not a jap factory ATV motor. You have to be interested in the VW engine, and enjoy learning about it. Its not just a "pour gas in the tank and never think about it " engine, at least not when you are starting out.
Where do you live? Maybe someone on here can direct you to somebody close to you.
You do know you will have to get the case bored, and the heads cut open to use the 94 mm jugs, right? The line bore and thrust wear needs to be checked , especially since it was locked up. You should consider additional oil filtering and cooling with the bigger motor. New chromloy case studs will add lifespan to the motor as well, and case savers. The heads need to be inspected by someone who knows what they are looking at, too.
Spend the money on a decent set of carbs, too. Duals are much easier to tune than a single center mount, unless you gonna stay with a stock Solex. And if your gonna do that save your money and build a 1641. The best built motor their is will run like ass if you got a crappy carb on it. There is nothing more frustrating starting out than a new motor that you cant get to run right because of a "hole in the rpm" progressive, or a dirty, worn throttle shaft junky set of old worn out duals. Get a good set of Weber or Dellorto duals. Kinda pricey, but if you get 40's, they will be responsive on your 1915, and big enuff to upgrade engine sizes on up to a 2500, throughout your buggy riding 'career', and you will always have a set of good carbs that you are familiar with.
Not tryin to scare you off it, but I've seen it a hundred times someone just getting into buggies throw a load of money away, especially on their motor, and then get discouraged and think they are just junk and give up on them.
Get the motor done right the first time by an experienced person. It shouldnt cost more than 3 hundred bucks or so plus machine work for them to assemble it. It could save you big money and frustration in the long run. Done right, a 1915 can be a very reliable , long lasting , good running enjoyable little motor. Done half-assed, and it can be the biggest pain in the ass POS you ever fooled with.
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anyways i basically have tranny and engine in , and running. i do need a to finish making my mounts , which arent pictrued yet. i found a 1600cc running engine for 250.00 with some dual carbs, not sure what size yet but deff need to be rejeted. o well here is what i got so far..
