Brand new engine low compression (50 psi)

Also any idea why an ngk fixed my issue? I'm just curious...it's so odd to me that a brand new spark plug still produced my symptoms of hard starting and only running on full throttle but getting the ngk one fixed all those issues....I'm genuinely curious

Many of us on many occasions have mentioned that the cheap "Chinesium" Z series spark plugs that come with these motor kits are complete and utter :poop::poop::poop:...lol.


There are many, many, more posts and thread on this subject but you get the idea...lol.
 
Many of us on many occasions have mentioned that the cheap "Chinesium" Z series spark plugs that come with these motor kits are complete and utter :poop::poop::poop:...lol.


There are many, many, more posts and thread on this subject but you get the idea...lol.
Thanks...I'll read those later..I'm really interested in the science behind why the ngk is better and why the other crappy spark plug gave me such headaches...
 
Thanks...I'll read those later..I'm really interested in the science behind why the ngk is better and why the other crappy spark plug gave me such headaches...
I summed that up already in one of those URL links you haven't read yet...lol.

They have been well known to cause problems with some members motors..."Chinesium" quality consists of some 12 year kid saying its ok before dropping it on the floor and then packing it up in the kit...lol...lol.

Chinese child labour, lack of any real quality control, inferior quality of metals, parts, etc. mishandling and dropping product and still selling it etc, etc, etc...The list goes on and on.
 
Thanks...I'll read those later..I'm really interested in the science behind why the ngk is better and why the other crappy spark plug gave me such headaches...
NGK = Made in Japan with proper quality inspections and what not

"Stock" for these engines = made in China probably on the side of the road by a 10 yr old kid who just chucks them in a bin after

It's not perplexing by any means.
 
This issue has been the cause of odd no start issues for a long time. However the self proclaimed 'experts' will tell you the stock plug is as good as an NGK.
Ok and as far as break in...I want to do this as perfectly right as I can....right now I'm using valvoline conventional at 16:1 for break in...use up 1 gallon of that and then switch to my choice of either 32:1 conventional or 40:1 synthetic
 
Ok and as far as break in...I want to do this as perfectly right as I can....right now I'm using valvoline conventional at 16:1 for break in...use up 1 gallon of that and then switch to my choice of either 32:1 conventional or 40:1 synthetic
I suggest a 300 mile break in. 16:1 is excessive imo, I would just use 20:1
 
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