| Subject: | Re: 3 probe plugs |
| From: | Loren Busch |
| Date: | Sat, 1 Jun 2002 11:32:04 -0400 |
I just finished an experiment with the 4-prong Bosch plugs and K&N air filter on my '90 Westy. On a 3,100+ mile trip, I changed to the 4-prong plugs and K&N filter half way in the trip. Gas milage remained EXACTLY the same on both legs.
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