Plugs fouling quickly

[RyanH]

I have a 70 911 with a stock 2.2 and an MSD Street Fire. I recently had it serviced by a reputable Porsche mechanic and the engine is in good health. My problem is spark plugs fouling on every trip out, I don't do short trips, mixture could be a bit rich but not enough to cause fouling every trip. Has anyone used hotter plugs or iridium plugs with a similar set up? I didn't check what plug or heat range I have in before writing this which doesn't help but some suggestions would be helpful. Thanks

[proporsche]

yes it would be nice to see ,what do you have in your 911

Ivan

[stownsen914]

For starters, what plugs are you using?

[RyanH]

It's running NGK BP7 E S

[cassisrot]

Fouled plugs were a constant issue back in the day. The solution was simple. Keep the revs up.

[john walker's workshop]

Maybe BP6ES or Denso Iridium IW16 would help. Any idea what your jetting is?

[kent olsen]

If you have webers I use 55 idles and just replaced my plugs with Champion N11YC which I think are just a little hotter. This in my 72 with an 83 twin plug 3.0L.

You can control plug fouling with hotter plugs , give it a try it's a cheap fix, but it's telling you that you are possibly running rich.