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On 18 Jan 2004 at 19:13, joshua brooks wrote: > I have known many people that had late bus and early vanagon engines with > hydralic lifters. They seem to be very reliable and they really help quiet > the engine. The most common problem is with lifter bleed off wich causes a > knocking sound that goes away when they build pressure. Some people say that > hydralic lifters arent reliable in the type 1-3 engine but if this was the > case I don't think VW would have offered them as an option in late mexican > bug engines. For the most part it is neccesarry to run an oil filter with > hydralic lifters as they can be clogged by very small particles This came up recently on RAMVA and Bob Hoover spoke up, explaining that the Mexican VWs did some things differently which made these modern engines work just fine with hydraulic lifters. I asked what the differences were and if they could be added to our old engines. I'm afraid he just told me to check the archives, and I'm not sure where to look or what to look for. The short story is that it's not so simple and we can't just drop hydraulic lifters into our engines. -- Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org