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TR6 TR6 spark plugs

TR6oldtimer

Darth Vader
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OK, now that the rain has stopped, I am getting ready to fire up my re-built engine. It has a GP2 cam and 9.5 CR.

Any recommendation on the plugs to use would be appreciated.
 

poolboy

Yoda
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I've had nothing but good experience with Champion RN12YC in both engines. One was stock, the other hot.
 

Brosky

Great Pumpkin
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I've used both the NGK above and the Champions. I'm currently using the Champions and they are fine.
 

Andrew Mace

Moderator
Staff member
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Thank goodness; finally, someone (besides me) has something good to say about Champions! I've long thought I was the only one!

I admit to a fair level of ignorance on this particular topic, but I'm wondering if a slightly colder plug might be appropriate with the modifications stated, as in the [R]N9Y[C]?
 

Brosky

Great Pumpkin
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Andrew,

Now you've got me thinking. I'm not near the car to check, but I wasn't paying attention to the RN12YC number, just the brand name. I MAY have the RN9YC's in mine. I'll confirm and post back, but they are Champions and I like them. I used them for over 20 years before the rebuild and have no real pressing reason to switch.
 
OP
TR6oldtimer

TR6oldtimer

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Wonderful, anyone want a set of brand spanking new RN12YC?

Just joking, I will give then a try...
 
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