Technical Tips > Post 84

Spark Plugs

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MJ355:
ive got a brand new set of mallaroy leads for sale to fit if u are interested

onya:
I just fitted a new set of NGK and Splitfire leads and there is an improvement in idle and general driving.;27, I to have an 86 with iron heads. Most of the improvement came from the new leads.

77CVT:
New leads can make a world of difference.  I put a new set on my '85 and got an extra 5 mpg.  3 leads were crapped out.  Best way to check is put a multimeter on each a\end and measure the resistance - anything over 8000 get new ones.

Top gun make an 8mm spiral core lead if you have trouble fitting 9mm into aftermarket lead seperators.

Thunder Kiss:
Thanks for the replies, next question.
I pulled a plug and found it to be an NGK BPR6FS.  NGKs web site states I should be using a UR5.
What's the difference? The car runs fine with BPR6FS.

86er:
That's the heat range of the plug, depending on the type of driving you are doing will depend on the heat range of the plug
Hope onto NGK web site

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