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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
Saying you always replace the coil with the CD box is totally ridiculous.
There is not one single reason to replace it if it is not leaking oil and working well.

Also if you have an old black painted steel casing bosch coil that says made in Germany on it you can not buy a better coil for the bosch CDI anymore because they havn't been made in Germany for a long time now.
Bosch coils are made in Brazil these days and you never own them you only rent them. Anotherwords they don't last long. Just a cheap third world whore of a coil.

If you have a German made bosch coil keep it or sell it for alot of money because they are now collector items. Porsche restoration folks will buy them because they are no longer available.

The highest quality coil you can now buy new that has the correct impedence for a bosch or permatune CDI is the epoxy filled permatune coil that will never leak out oil because there's none in it. It's black too so at quick glance it sorta looks right.

The POS brazilian bosch coil is clear anodized aluminum and if you have to use one of those mount it right side up instead of upside down because that way the oil will probably stay in it through all the heat cycles and vibration it goes through mounted on the fan housing.

In the end... it's best to switch to MSD CDI and MSD high vibration epoxy filled "blaster" coil. That coil is also black under the teenage meathead sticker on it.

Last edited by JFairman; 01-19-2013 at 05:15 PM.. Reason: spelling
Old 01-19-2013, 05:03 PM
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