L-35 plugs?

BMFB

BMFB

Not to scale
what plugs should be used with an L-35 head, right now I have NGK UR5 plugs and it doesn;t seem to wanna run, it will somewhat chug when the timing is set to where it was before it was torn down, but thats it. I have fuel and spark, just no run, and I think this could be an issue.
 
neildemo

neildemo

Administrator
Re: L-35 plugs?

I had a similar problem. I went to autozone and asked for ur5s they gave me platinum plugs which dont work in our trucks! I replaced them with ac delcos and runs fine. Couldnt get the ngk ur5 non platinum sameday. I would check I just threw them in and truck acted like yours let me know thanks!
 
BMFB

BMFB

Not to scale
Re: L-35 plugs?

well, i am sure that they are UR5's, I ran them in my LB-4 heads. I'm thinking about it, and I may have made a mistake and installed the distributor on the TDC...of the exhaust stroke...

also, they are gapped at .31 as I recall, I am hoping they will work for the 20-25 psi and alky I have planned for them
 
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