The best Spark Plug for Forced Induction
The best Spark Plug for Forced Induction I have run ACs which I have had great success with, and NGKs which worked fine.
I have a fresh Procharger F-1 build in the works and want the best plugs.
Which plugs do you think are best out there these days?
I have a fresh Procharger F-1 build in the works and want the best plugs.
Which plugs do you think are best out there these days?
On The Tree
Joined: Jan 2015
Posts: 123
Likes: 0
I always run ngk and nothing else but that's just me. the type of plug you'll need all depends on your boost level. for anything over 10 lbs I've been running br7ef with good results. plug gap can be just as important as well... some others will likely chime in with other experience
Thanks for the responses. I agree about the cost of the plugs. I love the ACs and they are very well priced. The NGKs are a little more, but have had equal success. I am planning on boosting well above 10psi. Old legendary school tuner and car guy Ed Wright out of Tulsa tuned my first motor till issues stopped us and I had to get back to sacramento, CA. I want to say the NGKs are 8s, but I will have to look again. I am running a LSX 434 with a Procharger F1-C Bell intercooled with 4" lines. Looking to hit 1100hp at the flywheel.
for high boost high hp motors, what gap do you suggest? I also have been told to clock the plug so that the ground electrode down leg is pointing towards the intake valve to help prevent high boost charges from blowing out the spark, if that makes sense since it is on the backside of the compression stroke.
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Careful with those Ebay plugs slamdik, lots of Chinese rip-offs of so many parts these days. The ole' Chinese proverb..."if it is too good to be true, it probably is."
Unless the parts are coming from a reputable source of-course.
Is3fox, those are non-resistor racing plugs, how are they on the street?
Unless the parts are coming from a reputable source of-course.
Is3fox, those are non-resistor racing plugs, how are they on the street?
TECH Addict
Joined: Jun 2002
Posts: 2,920
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