

| Subject: | Re: Camshaft rap...as pertains to the inline 4/van transplant motor |
| From: | neil N |
| Date: | Mon, 20 Aug 2007 09:37:04 -0700 |
Thanks for brand name of cam Don. If/when I can get conversion parts **affordably** cobbled together, I'll be stuffing it in my 81'. Would do cam prior to install. From what you've written, your fuel mileage hasn't suffered. Correct? Neil. On 8/20/07, Don Hanson <dhanson@gorge.net> wrote: > Some asked. > The camshaft I stuck into my 92 Cabriolet motor, after a bit of reading and > research, was an Autotech 260 Sport Hydro lifter camshaft from Autotech in > S.J. Capistrano, Ca. $129.00. > There's a very large body of knowledge about what works and how to > improve the Inline four VW motor. When, due to my own errors and > unfamiliarity with the Vanagon cooling system, I overheated (pretty > severely) my motor and caused a blown headgasket, I checked into what I > could improve easily as I replaced my headgasket..The 260 degree (duration?) > camshaft was widely mentioned by various sources as a very viable > modification to the 1.8 liter street motor..There were half dozen sources, > with varying costs, for camshafts configured like this and I chose Autotech > for price...After checking that they have a good rep, also. The swap added > perhaps an hour to my repair time for the headgasket (about 3-4 hours, > total) > With this 'mild' cam, you can not detect any difference at idle or at > startup. It is noticeable at (guessing-no tach yet) about 4000rpm, where > now there is a definite 'strong spot' that lasts to my 'seat of the pants' > redline that I am guessing is around 6500-7000 rpm. The cam uses the > standard lifters and no different springs, suggesting it's got a fairly > conservative profile..I've not noticed any valve float, the motor simply > runs out of 'breath' and gives up winding any higher at that rpm.. > Of note is that if you want, you can still "lug" the motor like a WBX and > plunk around at low rpms without any hesitation...I often do, figuring that > of the millions of small inline four VWs in use world wide..a large > percentage are still working, and are being abused just like that everyday > for years and years..Must be stong enough to take it, right? > FWIW....The parts and technology is available and cheap (relatively) to > make whatever power you want (within reason) from the I-4 motors. Lots of > 250hp cars running out on the streets and I saw one on the dyno making > almost 500hp.. > Don Hanson > -- Neil Nicholson. 1981 Air Cooled Westfalia - "Jaco" (Bustorius) http://web.mac.com/tubaneil Please send me your Vanagon/Westfalia links! http://vanagonlinks.googlepages.com/home
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