Bosh Spark Plugs (Barelyl on topic I guess)

xxalexx at ix.netcom.com xxalexx at ix.netcom.com
Sun Feb 21 11:47:09 GMT 1999


Been used in aero planes since day 01 but I think three electrode
surface gap. champion. with huge insulator shell and metallic cover
alex

> 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.

 



More information about the Diy_efi mailing list