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My comments below. Toby Erkson air_cooled_nut@pobox.com <-- Please use this address for email '72 VW Squareback 1.6L bored and stroked to 2.0L, Berg five-speed '75 Porsche 914 1.8L, ORPCA member '95 VW Jetta GL 2.0L, boringly bone-stock Portland, Oregon, http://www.pobox.com/~toby_erkson/ > -----Original Message----- > I would not suggest using fuel injected 1.8 Typ 4 Variant > engine eventhough > it would be a direct swap. Why? > Other larger problems include constant oil leaks (a 'free' > factory option not listed in any M-code list produced by VAG), No different than any other air-cooled powerplant I've witnessed. > regular valve seat failures Under the hands of a good engine builder this shouldn't be an issue as there are ways to stave off this problem. > the expense of rebuilding a Typ 4 engine compared > to a Typ 3 A stock T4, with more stock hp, will quite likely last longer than a T3 beefed up to match. Price for a rebuild goes beyond initial layout, volks. > and then the hassle of trying to install a Typ 4 muffler under > the rear apron > of a Typ 3. It can be done however. And once done it's no longer a (potential) hassle. > The cost of new heat exchangers is a > bit frightening though. A new pair here in Finland costs a mere $700. Cheaper in the US. And if you take Jim A's advice and recycle a used pair is an even better deal! ÚHw@ dvantages with this conversion should be (as I see it > >2. Better reliability: Oil filter, and a more robust construction. > > That is arguable. Oil filtration is, IMHO, overrated (sorry > Toby). If it was then VW probably wouldn't have gone with a full flow filter and the additional costs in working this in. You must admit a full flow filter is far better than a screen. > >4. A lot cheaper per hp, than a hi-performance built 1600 engine. > > Not true. You could easily build a higher performance Typ 3 > engine for > less money which is more reliable than a bone stock, rebuilt Typ 4 mill. Debatable. > Compare some prices, like the difference between Typ 1 and Typ 4 main > bearings, cams, heads, etc. And in the first place, one would have to find > a usable Typ 4 engine. Then fix the induction (carbs or FI), then > fabricate this and that. Since the Porsche 914 uses the T4 engine finding a competent engine builder at a reasonable cost isn't going to be hard to do. These engines aren't as rare as people think and they have a pretty good after-market -- bigger than any stock T3! > Yes, it can be done, and made to work but the > costs will be approximately double when comparing stock > 1600cc rebuild vs 2000cc. Please clarify 1600cc rebuild vs 2000cc. Stock T3 vs. stock T4? Or stock T3 vs. built T3? > but there are a lot of IFs involved in doing it so that you > could have as much reliable fun as with what Volkswagen gave us in the > first place. Okay, that type of talk takes you out of the Dark Side category! :) > They had Typ 4 engines already in 1966 and > never gave it to the Typ 3 Well, that's because the T4 was a different car :) Looking at VW's current selection of cars shows that they look different but under the skin they're very similar, if not the same in many respects. ------------------------------------------------------------------- Unsubscribe? mailto:type3-request@vwtype3.org, Subject: unsubscribe