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On 17 May 2003 at 7:07, John Jaranson wrote: > I have an opportunity to pick up a Type 4 engine for a pretty cheap. It is just > a long block. Supposedly from a 914. Supposedly 1.8L. OK my questions... > > 1. Anything specially about the engine if it is from a 914, rather then a > Type4 VW? Different heads/valves/cam? Porsche made a number of changes to the type 4 engines they used. I've only heard about these and can't verify them first hand. The ones I've heard of are that the fan hub and flywheel are castings on the VW engines, while they are forgings on the Porsche. There is supposed to be some difference in the heads, too, but I don't remember what it was supposed to be. I believe the change from 1700 to 1800 was an increase in bore, while the change from 1800 to 2000 was an increase in stroke, so upgrading from 1800 to 2000 is expensive, requiring a new crank. If you're thinking about going this direction, look for a 2L to start with. You should also know that repair parts for the 1800 are much more expensive than either the 1700 or 2L, so that is another reason to avoid it. > Also I have a set of pistons and cylinders that have this number on > them. VW311.198.069F/87/JA. Are these just aftermarket slip-in 87mm > P&C? I was surprised about the 311 part number. It's possible that VW made a third oversize for the 85.5mm P/C sets, but I doubt if that's what you have. Just measure them or clean the crud off the piston crowns and read what's stamped there. 311 numbers are common in P/C sets. Most bore upgrades first appeared in type 3s so the parts got their numbers there. Thereafter, the numbers stuck, even when used in "lesser" types. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org