DDK - Die Deutschen Klassiker

The 'Maverick' Classic Porsche Forum and Classic Porsche Club for Porsche 356, Aircooled Porsche 911, Porsche 912, Porsche 914 & Porsche Replicas. 'We join for the cars but stay for the people'
https://www.ddk-online.com/phpBB2/

Bosche spark plugs

https://www.ddk-online.com/phpBB2/viewtopic.php?t=8226

Page 1 of 1

Bosche spark plugs

Posted: Sun Jan 08, 2006 2:29 pm
by defender47
Can anyone know of any difference between WR 4CC and W 4CC spark plugs for my '89 3.2 Carrera?
Does the 'R' mean anything?
Grateful for help
Cheers
Paul

Posted: Sun Jan 08, 2006 9:06 pm
by Lightweight_911
I think the R refers to a resistor which is built into the plug to reduce interference from being conducted through the ignition leads.
All times are UTC+01:00
Page 1 of 1

Powered by phpBB® Forum Software © phpBB Limited