Fuel economy questions?

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RamDiver

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Spark plug gap tools. It’s been a long time since I looked at spark plug, gapping tools. Someone said to avoid the coin type ones. Well, now I’m seeing all different different kinds of spark, plug gapping tools. There’s the round one with the metal rings. Now there’s all other kinds of gapping tools.

Any advice or recommendations?

The blade style has always been my preferred choice. I'm looking forward in seeing other's preferences and why.

These are easy to read the gap size, typically better quality, and you get lots of different angled surface areas to measure with. Any damage to the measurement surface will be more obvious than other styles.


spark gap tool.jpg


The coin-style gap tools are often cheaply made with aluminum or other soft material that often becomes compromised and there isn't much space from one gap size to the next. I need a magnifying glass to read gap sizes.

Wire-type, again, is cheaply made and likely won't show damage resulting in a compromised measurement. And the sizing is a bit easier to read than coin-style but tougher than blade style. Likely requires reading glasses at minimum. :cool:

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BenchTest

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Coin style is hot garbage unless you have a really old one made of substantial metal. Calibrated wire or the bladed one above are both good choices. Watch a video on how to properly gap a modern plug. It doesn't take much to ruin a $15-20 plug.
 

Sherman Bird

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So I did remember the monstrosity. I had an X car in 82 one of them front wheel drive Citations. Nothing special there.
I had a 1984 Citation II "X-11" with the HO 2.8L V-6 and manual shift. It got superior mileage and was relatively fast. Unfortunately, a Drunk Chick in an S-10 rear ended me at high speed while I sat stopped at a red light on a state highway. Needless to say, it was totalled!
 

turkeybird56

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I had standard v6 and auto.
 
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HangmanNY

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I was cleaning out the basement and I found this. It looks like an older type wire gauge, but it seems to be well-made. I’m guessing this is probably 30 years old or more.
 

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turkeybird56

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I was cleaning out the basement and I found this. It looks like an older type wire gauge, but it seems to be well-made. I’m guessing this is probably 30 years old or more.
No sir not wire that is like fueler gauge. The wire ones had actual wires. When I go down later and feed hossie I’ll go in garage and rummage in my tool boxes and see if I can find mine and post pic.
 
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HangmanNY

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So this type gauge is not good for spark plugs?
 

turkeybird56

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So this type gauge is not good for spark plugs?
It’s ok, kinda modern version of wire tool. Ok went into tool box and found my wire spark plug gap tool. It was actually my Dads so it is prob Husky tool and from the 1950s.

OP U can always get fueler gauges and use but wat U have is fine.
 

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04fxdwgi

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It’s ok, kinda modern version of wire tool. Ok went into tool box and found my wire spark plug gap tool. It was actually my Dads so it is prob Husky tool and from the 1950s.

OP U can always get fueler gauges and use but wat U have is fine.
What's a "fueler gauge"?
 

turkeybird56

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I had a well worn set of the flat, blade type and I remember it being called a feeler gauge.
Too funny. Where I grew up, the sets of flat blades being SAE and later also metric were called and referred to as fueler gauges. Just like a water faucet is a spigot somewhere else, different names or slangs for stuff. My aunt used to drive me crazy referring to spigot rather than faucet, lmao.
 

turkeybird56

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I had a well worn set of the flat, blade type and I remember it being called a feeler gauge.
YUP, they in one of my tool boxes, old SAE type like from 71. Now somewhere I got a set of metric also, but they were for my Suzuki MC, not my 67 Chevy.
 

Wild one

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I still have one of these from my Dad,it has to be at least 55 years old

 
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turkeybird56

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What's a "fueler gauge"?
See entry # 81. Wat I/we called them where I grew up. I think others called them bladed gauges, and wat eva other name. Kind of a regional thing. I am sure, some ASE trained/certified Mechanic would have some other name for the same tool.
 

09SilverRam

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You don't check your new plugs?
Ive spot check them, they have all been fine right out of the NKG or Bosch box.

You think they gap every plug at the factory or dealership? Nope, they tell NKG or Bosch to make them to X gap at the factory and you can order the same plug with the same OEM gap.
 
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