Bosh Spark Plugs (Barelyl on topic I guess)

[David A. Cooley]

The laws of physics cannot be changed... A spark can only jump to 1
electrode at a time.  Once the gap breaks down, all the current flows across
that gap, leaving the other 3 electrodes inactive.  They are a waste of
money.

-----Original Message-----
From: Xwiredtva <xwiredtva at email.msn.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Friday, February 19, 1999 12:35 PM
Subject: Re: Bosh Spark Plugs (Barelyl on topic I guess)


>Split fires use one electrode that splits. It was better used in 2cylce
race
>engines. I used them when I raced Motocross. For automotive applications
>your right they stink. The 4 electrode bosche should be better because it
>uses 4 electrodes instead of one that splits. Best bet is to buy one and
>plug it into your spark plug wire and then start the engine and see how it
>sparks. It's cheaper then buying 4,6,8 of them then finding out they don't
>work on your vehicle.
>    Direct Hitz is another spark plug type thing that is supposed to put
out
>more energy and has been idependently tested to perform.
>    Also if your ignition system is weak the plugs will make no difference.
>
>>
>>Anyone have an opinion on these new 4 electrode spark plugs by Bosch?
They
>>have 4 ground electrodes.
>>
>>My brother, a few years ago in college (IA State ME program) did a test on
>>Split Fire plugs.  Found absolutely NO advantage to these plugs.  They
>>contacted Split Fire to get copies of their test results and compare
>>findings but got no where.  ...So I have become suspicious.
>>
>>Any Comments?
>>
>>KV.
>>
>>________________________________________________
>>  Kevin Vannorsdel     IBM Arm Electronics Development
>>   408-256-6492                Tie 276-6492     kv at us.ibm.com
>>
>>
>>
>
>
>
>