whatever plug you put in there is going to do the same thing the plugs your using now are .
Sparkplug...
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 1,227
Likes: 0
From: Atlanta Ga
Sparkplug...
My 72 has r44t plugs in it, but seem to fuel foul quite easily. A guy today told me to run r44ts and it would help because of the extended length....
comments? is that a better plug to run?
comments? is that a better plug to run?
Le Mans Master
Joined: Oct 2006
Posts: 7,123
Likes: 433
From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
I don't know about better, but the extended tip IS more resistant to fouling. You may be jetted a little fat too. Or you could go to R45TS plugs. 1 step hotter.
Are the plugs coming out black? Or are you getting a miss? What does the exhaust smell like?
Are the plugs coming out black? Or are you getting a miss? What does the exhaust smell like?
Race Director
Joined: Nov 2006
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From: Sunshine Coast, Queensland, Australia
2025 C3 of the Year Finalist - Modified
2024 C3 of the Year Finalist- Modified
2022 C3 of the Year Finalist - Modified
Cruise-In VIII Veteran
I think you should re-jet your carb, Installing hotter plugs is not the answer
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 1,227
Likes: 0
From: Atlanta Ga
Le Mans Master
Joined: Oct 2006
Posts: 7,123
Likes: 433
From: Gladstone MO
C3 of Year Finalist (appearance mods) 2019
The extended tip is NOT longer reach. Longer reach would be the distance from the seat (where it tightens on the cyl head), to the END of the threads. Extended tip is exactly that. The tip (center electrode) is sticking out into the chamber a little more. Nothing wrong with that at all.
And if they're coming out black and sooty, that's a sign of too much fuel. Why is it so rich? Carb float? Jets too big? Let us know..
And if they're coming out black and sooty, that's a sign of too much fuel. Why is it so rich? Carb float? Jets too big? Let us know..
Race Director
Joined: Sep 2001
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From: Wellington, FL
St. Jude Donor '11 thru '25
If you run your car on just short trips, this will foul out any plug as the choke will be on most of the time. If perhaps this is the case, be sure to run the car for a half hour or more after start.
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