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009 distributor wear.
P.J.Berg wrote:
> On Sun, 17 Oct 2010 03:12:38 +0200, Jan Andersson > > wrote: > >> wrote: >>> Just to re-afirm some of the above: >>> 1. An 009 is not junk (Bosch), however it was never intended for a >>> street >>> VW, It was designed for the VW Utility engines that were quite in vogue >>> many years ago. (Water pumps, Air Compressors, etc.) >>> It can be used quite successfully on racing engines that are never >>> operated >>> below the peak torque RPM. >>> The Chinese 009 knock-offs are junk. The rotor shaft is not spot welded >>> correctly and only pressed on. Timing will slip and change. Seen >>> dozens of >>> them fail. They can be fixed properly and then they are fine. >>> 2. The distributor drive shaft has to be installed correctly so that >>> the >>> distributor oil holes line up. If not the shaft, etc. will wear >>> excessively. >>> 3. You would be hard pressed to find any 3 deg retard distributors >>> anymore. >>> And never an 009. >>> 4. Other than initial lubrication of the points at install you never >>> require >>> any other lubrication. The oil hole and engine blow-by provide >>> plenty of >>> lubrication. >>> 5. Get rid of your points (and condensor). Install a Pertronix 1847A >>> kit. >>> (Or 91847A). They eliminate point wear, point bounce, spark scatter and >>> give you about 1K+ more open voltage spark and possibly better >>> starting. (You will get NO more HP or mileage, unless your points are >>> bad. (The 91847 >>> provide a slight bit more dwell time, but it ONLY makes a difference >>> at 7000 >>> RPM and above. And even then unless you are boosted or have a CR over >>> 10:1 >>> it will do NOTHING for you. The ACVW needs very little spark do to >>> the very >>> low cylinder head pressures. >>> Do not get the Compufires or Empi (Compufire made). They are a bit less >>> voltage, but worse they fail much more under high temps. >>> We build dozens of VW racing engines (FV and FST) and have thousands of >>> hours of dyno time and road racing experience. >>> And we sell the Pertronix units cheaper than most. (Along with a lot of >>> other parts that may be applicable to street VW's.) >>> Jim >>> SR Racing >>> www.sracing.com >> >> >> Couldn't have said it better! >> The 009 distributors need somewhat extensive/in depth tweaking to make >> them work, but combined with a pertronix pointless setup they offer a >> very affordable and adequate ignition for most engines, from stock to >> street to race use. > > Even my -56 had vacuum advance, need I say more? > > J. > No, you need not. Just shut up I didn't say "good" either... just adequate. |
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