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Hello everyone, I'm Alva Feeney. As someone who likes to learn the best tools to help you with housework, gardening tools, electric tools, motorcycle polishing tools ... In this website I will share with you the tools that I feel the best

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  1. I have a 2003 Accord Euro R. Honda recommends ngk 7. I have put ngk 8 which is 1 step colder because no stock for ngk 7.. Unless i went bonkers on top speed, pickup was sluggish. Need a few runs on full throttle to get back in tune. Then i went to a set of used multiple ground copper ngk heat range 7. The good pickup came back. But i dont know whether it is the multiple ground plugs or the oem heat range that pulled back the power.

  2. But cold spark plugs don’t make power if you use a hot spark plug in a high compression engine it won’t dissipate heat and will melt and you don’t want that.

  3. If the spark is old and need to replace yes colder is better when engine hot it start to make boombs

  4. I have a 2000 Kawasaki ZX-12R the compression ratio is 12.2 to 1.

    I am forced to use 91 octane in California which is sold as premium.
    My bike detonates like crazy after I have rode a while as in on the freeway.
    When I pull away from a stop in detonates under pulling away from a stop.

    At the track I teach at we sell 100 octane Sonoco.
    I mix 4 gallons of 91 with 1 gallon of 100 and the pinging goes away.

    I have 27,000 miles on the bike and I am the only owner. it is 21 years old.

    It gets check my Kawasaki valves are fine and clearance fine.
    The bike is 100% stock!

    The bike is extremely powerful.

    I am using the stock plug “ Heat Range 9”
    Would going to a colder spark plug help me?

  5. Decades ago I fouled out plugs on a methanol circle track engine. All we had left was a set of used gas engine plugs so we put em in.
    It was like hitting nitrous!
    NEVER used Champion race plugs again.

  6. This is so cool! I have been reading about spark plugs and the various types: copper, nickel, platinum and iridium. I didn't know that using a spark plug with a colder heat range would make it hard to start, or make the engine misfire.

    I have a 2004 Toyota Corolla. I'm definitely not going to add a turbo charger. It would probably blow up the engine! Back when I was at Western Michigan University, and I had a student job writing computer programs in Dbase 3 Plus, I worked with another student named Peter. He had a Pontiac Sunfire with a turbo charger. One day he told me he had to walk to work, because the turbo charger on his Sunfire seized. I didn't know that if the turbo charger died, you could not drive the car.

    He said it was because oil for the engine also circulated through the turbo charger. That was just too much trouble. I remember my dad said, "Every thing you add to a car is something that can break down and give you trouble when you don't need it."

  7. AFR says stock plugs (hot) can be used up to 9:1 compression, 9:1 to 11:1 one step cold, 11:1 to 13.5:1 two steps cold. When I bought 64 cc aluminum heads for my 350 Chevy which made the compression 9:1. I bought the recommended plugs and I didn't know but they were cold plugs for racing. I drove the car 5 miles, pulled a plug and they were black as coal. Two sets of fouled plugs later I found out I only needed stock, hot plugs..

  8. Thanks man. Great help. Same issues faced after changing to colder plug. Harder cold start, misfiring on cold engine. Initially it performed well as you told. Might be because of perfect gap and new plug. Will switch back to stock soon.

  9. One thing I have a hypothesis about is on older high mileage vehicles, colder plugs can help a lot, because there's already possibly a lot of carbon buildup on the piston head and cylinder heads, and thus cylinder temperatures will be hotter. Also on cars with timing adjustable via the distributor bolt, you can gain a lot of free power from advanced timing + colder plugs. I think on some older cars, though, that seem to run rich inexplicably and don't rev smooth, it's the carbon build up causing detonation with even stock timing, but then running richer to stop detonation will lead to more carbon build up. I think colder plugs could be a secret weapon to stop and possibly reverse that cycle, as now the car will no longer detonate, and with stichio mix hopefully some carbon will burn off. Just some thoughts, I believe it's an underrated thing to do, and some manufacturers even specify wide heat ranges based on driving patterns. Honda specified NGK 6 on 90s Integras/etc, but said switch to 7 for sustained high speed driving. On some Honda scooters they spec'd from 6-8 depending on usage patterns in the manuals.

  10. colder plug might allow a little bit more air in the engine
    but more heat means faster flame propagation

  11. Proof positive here, just did software and I was recommended colder plugs, but with ten installed the cold start was so rough, cyclinder 4 misfired constantly. Dropped the stock plugs back in as advised by tuning company and the car behaved very well as performed!😁Thanks, this reinforces that advice

  12. How isn't running a fbo gonna benefit you when you install 1 stepped colder plugs, makes no sense. I have a bmw 335i n54 twin turbo with custom "3 chargepipe and bov, catless downpipes, dual cone intake and 7 stepped intercooler. Rule of thumb is every 100 over you upgrade. So around 500hp and up I'd be using 2 stepped colder plugs. I'm at 370hp and it's a must for 1 stepped colder plugs, why would anyone want to run stock plugs on fbo? Makes no sense

  13. Did I miss it? Did you answer the question? Can a colder heat range plug make more power? Assume boost has been added, and the colder heat range plug helps keep cylinder temps slightly cooler.

  14. obviously is an engine is modified for a more bore radius and higher pressure with higher running temperature, it is a good idea to change it for a colder spark plug to prevent autoignition (pre-ignition). colder plugs for an ordinary engine deposits carbon that later turn into hotspots and cause pre-ignition. nice video, thank you.

  15. Hi, i have a volvo s60 with 1.6cc engine with 150 hp stock, i reprogram the ecu and now i 215 hp 55hp more do i need to go to a colder spark plug?i put hoter instead

  16. Seems like pulstar doesn't give much of a fuq 😂 it's 1 or 2… They are like – meh, take any 🤣

  17. On my 2 cycle bycicle motor I whent on a cooler plug than the stock one. My performance whent up, though I was not expecting this. I did change the jetting on my carb to be leaner so that the engine run hotter. Maybe I found a comfortable medium.

  18. This video actually helped out. I'm running one step colder (tuner advised) and started getting misfires with barely 1000 miles on them. Warrantied the spark plugs out and ran good for a little bit and started doing the same thing. Just going to go back to factory spark plugs.

  19. Other than bothersome fouling, going too cold will do real damage the engine. Going too hot can and will damage the engine. If your plugs are quickly eroding or even melting the poles, then you need cooler plugs. If pre-ignition is being caused by high plug temperatures, then go cooler; you may hear the knocking or the knock sensors may be signaling your cpu to make changes to reduce knock and thus cutting your power. If plugs are getting too hot, drop 2 ranges. If plugs are wet and/or fouling, then go up one step. Old school and good rules of thumb.

  20. Add a low temperature thermostat with it when u wanna go with a cold spark plugs n probably u will need a tune to make it work as it should, well it depends on ur car if it needs it or not

  21. If you wan't more power go with Pulstar plasmacore spark plugs. I thought they were snake oil until I watched The Horsepower Monster's video in which he ran an engine with these plugs on a dyno and saw a 6hp improvement over regular plugs. Thats now much more power but its certainly burning the fuel faster and better. They are expensive but you can find them pretty cheap on offer and in my opinion, they are something that you don't often change so its worth splashing the extra cash on it. They will run you 80 bucks for a set of 4 though unless you can get them on offer.

  22. Hi, I have raised my cr in my car from 11.0 to 12.0 and where I live there is only low octane fuel. So far the car doesn't seems to knock but do you think I will benefits from a step colder plugs from 6 to 7 ngk ?

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