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Tips
Tips

Spark Plugs

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satzman

Jedi Hopeful
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What's the best plug for the car? Are any adjustments needed when new plugs or types are installed?
 
in my 1984 4.2 I have used Splitfire plugs with a lot of satisfaction. Then I tried Bosch Platinum with the 4 tips, and they have been a total dissapointment. With the Splitfires the engine started from "touching" the ignition switch, with the Bosch plugs the engine takes some cranking to start it and also misfires at idling, which it didn't do with Splitfires.
No more Bosch, and I wouldn't throw my money away on Champions or anything like that. NGK ? I never liked them either, lots of hype, no substance. As long as you have the correct plug tip setting, no other adjustments should be needed. I'm sure other people have had different experiences with similar plugs. I'm going back to Splitfires.
 
satzman said:
What's the best plug for the car? Are any adjustments needed when new plugs or types are installed?
Click to expand...

Hi Satzman, Selecting the best plug for your car will necessarily include your driving style. If you do mostly routine type driving. A plug with a heat range one step hotter than that of the original specified plug will probably suite the engine just fine. The NGK plug has found wide acceptance with the British car community as has the standard Bosch Platinum the latter being my personal choice.---Fwiw--Keoke
 
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