sweeeet

 

but here is the question at hand-
what will a more intense spark do for you? I can see why a more intense spark would be needed in high hp/boost applicaitons- but in a car with well mixed air/fuel and no crazy amount of air to inhibit spark I wonder if will make any difference.
I always looked at spark plugs as either "working" or "not working"
If it wasn't misfiring- they were good.

 

i know where one of those old spark plug tester and cleaning machines are. if it still works i dont know. i might could get a couple plugs and throw in there and take a picture if anyone is interested. i would have to do it tomorrow because it is at a school and it is their last day before christmas break.

 

Since air is an insulator and the more of it (like in a high compression or boosted engine) inhibits the spark, Then more energy is needed. When fogglemotorsports turns up the air pressure in that tester, he is going to see the spark get weaker, and not as bright.

 

the tester im talking about has a thing where you put the plug in it and press a button and it cleans it then another thing like a spark plug that you hook to it and press a button and a spark goes. im not sure what you mean by more air pressure.

 

They had a air line hooked to them and you turned up the pressure until the spark went out. You could look at a gauge that said good,fair,bad...something like that.

Those old crappy points ign systems sucked compared to the ones today. I used to have to change plugs once a month on a 10.5:1 340 in order to get 5,500-5,700 rpms.

I've used Bosch P+4 plugs in a 4 cyl and they worked fine. Changed them after 63k but they were still OK. I guess they don't work well in GM V-8s??

 

A picture would be cool.

 

aircraft spark plugs? you mean ignitors? and those are totaly different!

 

NO, Ignitors are the term used for turbine engines and those are totally different. Aviation recep engine spark plugs have a majority of the same fuctioning parts as our truck plugs. Yes they do look different, but they work the same way. The differences in the aviation plugs are for fail safe operation.

 

understood-
but if the spark enough to create a spart- then its good enough and doesn't make much difference

or

stronger spark = better?