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Discussion Starter · #1 ·
are "bosch super" plugs any good? and also they have black residue on them does that mean i am burning to rich? any input would be helpful thanks
 

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I'm pretty sure most people will say to stick with the stock autolite plugs.
 

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Discussion Starter · #4 ·
i have always thought it has been burning rich and it back fires every once in a while when it is cold. it just sounds like is is getting to much gas does anyone know how to ajust the air to fuel ratio on a holly 2 barrel?
 

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Discussion Starter · #6 ·
i will get auto light when i change them, the bosh ones where the ones the previous owner put in. i was just wondrering if they where any good
 

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are they platnumumum? just change them, copper plugs are cheap as ****
 

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Discussion Starter · #10 ·
lol i would like to try those ones with 4 prongs to see if they really do make a differance
 

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Ya i forget where but i read somewhere that those 4 prong ones are a joke, something about the spark not being able to jump from 4 separate prongs to the tip all at once or something.
 

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never thought of it like that, makes sense
 
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