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Howdy

yes it can be done, and it is not real hard.

My 73 fastie has a 2 type 4 motor in it with the auto. If it is a manual car I think you need a 215mm type 4 flywheel.

You have to modify the rear engine mounts on the square to suit the kombi engine support bar and shorten the type 4 engine mount bar.

and you have to change the electrics to suit the alternator.

then there is the bellows mount that the type4 motor does not have. we used the standard type3 one and modified it to suit the type4 engine.

But it is a great upgrade for the type 3, They should have had these motors from the factory.

Marc

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You can use either 1.8 or 2 litre. The 1.8 uses a 66mm stoke crank and 93mm bore, a 2.0 uses a 71mm stroke and 94mm bore. The best thing to do is get some 96mm pistons and cylinders, which will give you either 1911 with the 66mm or 2056 with the 71mm stroke add a good cam either a Web-cam or try one of Richard Holzl's cams from Vforce or for the best get a RAT cam of Jake Raby at Aircooled Technology in the US, he will help you decide whats best for your application. Using 1800 heads with its 41x34mm valves would be great on either size engine. You can use twin weber carbs, 40 IDF's would be fine but you need to get the manifolds shortened, i have a set of CSP type 4 manifolds that i am going to use and these are shorter manifolds so i can fit the carbs under the engine cover. A 1911 will give you around 100hp and a 2056 will give about 120hp. Either one will give you enough reliable power for what you need. Visit http://tunacan.net/t4/tech/index.shtml  for info as this site has an excellent link to a type4 to type3 conversion. Also visit http://www.aircooledtechnology.com/  they have all that you need, whichever way you go you will be happy. Hope this helps in your decision, cheers Damo.

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No worries my man.

have you checked the price of Type 4 stuff compared to Type 1 stuff as a matter of interest ???

It would be great with teh extra capacity and HP but i thinks stuff is dearer for Type 4

also the Type 4 engine is heavier i suspose there are pros n cons for both sounds good

You will be right with getting type 4 parts at a good price, i got 8 type 4 engines and i spent less than $1k, buying them, compare that to the price of a new aluminium type 1 crankcase and a chinese forged crank at $1600 an you are off to a good start. So thats 8 aluminum crank cases and 8 german forged cranks made by VW. A set of new type 4 heads, pistons and cylinders and a good cam which retails around $1600 and you are off to a good start.

and thats the bottom line - cos don damo said so

Last time I bought a 2L type IV head it cost me AUD450.00 from Mick Motors in Qld.

Jeremy, i paid $450 AUS each for 2 litre heads also, with your turbo project are you keeping the stand 90mm cylinders? As these are excellent to have bored out to 90.5 then you could use a 90.5 B type1 piston with rebushed small ends to 22mm, the use of a smaller bore in turbo use is better as you have more area in the head for sealing purposes. If you want to go bigger you will have to use LN Engineering nickies aluminium cylinders, and for longevity too. I know that many people have used larger cast iron cylinders above stock ie 96 - 105mm but these don't last as long. If you are keeping it a 1700 get your original heads rebuilt as these heads have an excellent flow rate for stock heads but replace the valves, guides, seats, springs, retainers and rocker shaft studs to 8mm. What cooling system will you be running, i originally had a sharpbuilt 911 system which cost me $2k AUS, i sold this and bought a DTM from Aircooled technology which landed here for $1100. It is a much better cooling system. If you need any help or more info let us know, cheers Damo.

Thanks for the tips Damo.

I was going to keep it as stock at possible. I had thought about using the 90.5 T1 pistons the way you've described, and ideally I'd go for a new cam (its a W code engine from the 411's / 914's) It seems like those Scandinavian fellows on the type 4rum have had good results with webcam 74's, and Richard (V-force) mentioned he had a good option as well. Raby has stopped his cam sales for the moment, but he may start again. But I've also heard of people do the absolute barest minimum to the engine(ie fit cylinder spacers to decompress it a bit) fit a turbo and have loads of fun!

For the moment its going in the car running twin Dellortos, Sharpbuilt cylinder covers and a 36 style doghouse shroud.

Good luck with the project JHP1, I've only done a little bit of work on mine but i like how they go together.

Cheers
Jeremy

Hey all, i managed to track down and obtain the infamous type 4 intake boot and bolt on air duct which the boot attaches too. Happy days, these two parts are apparently like rocking horse s%&#. Damo.

Mick H, i found a supplier on the Samba just do a search in classifieds for type 4 and you should find them, they were called Blair and Sons they are a wrecker in Pheonix Arizona, it cost me $55 US they have about 12 type 4's, Cheers Damo.

Thanks !! Was hoping you found something closer to home....I'm after some parts for a 411..