[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: Resistor spark plugs?
Michael Hogan wrote:
> I got a set of plugs from a parts place, Bosch Platinum WR7DP. Since my
> ignition wires have the built in 5K resistors, will these resistor plugs
> adversely affect the performance of my 87.5 Coupe GT? The Bentley manual
> specifies Bosch W7DTC plugs, except for California models, which take the
> resistor plugs. Should I take these back? Also, are the platinum plugs in
> general (non-resistor) a good choice for this engine.
One rule. Never put resistor plugs in a car that didn't come with them when new.
It's like useing prefauled your plugs. The added resistor will cut down spark
when the plug fires. Makeing the spark colder.