racing spark plugs
21 October 2003, 03:16 PM
#3
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NGK Racing 8's
Half way down page you will see a picture of some old ones then some new ones.
http://www.scoobynet.co.uk/bbs/threa...184332&Page=22
Half way down page you will see a picture of some old ones then some new ones.
http://www.scoobynet.co.uk/bbs/threa...184332&Page=22
23 October 2003, 11:41 AM
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Steve
Do you know the part number
Went onto the spark-plugs.co.uk site and cant find these at all?
Sent an email to them - but I guess they've got loads of queries to deal with as they have not got back to me yet!
Do you know the part number
Went onto the spark-plugs.co.uk site and cant find these at all?
Sent an email to them - but I guess they've got loads of queries to deal with as they have not got back to me yet!
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24 October 2003, 02:23 PM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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if bobs recommending it.. at a guess it will be ok.
cant remember what I used.. Mark just gave me them
David
cant remember what I used.. Mark just gave me them
David
27 October 2003, 12:27 PM
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Dave - You'd probably have used the 7119's - as these are £36 each
Spark-plugs are out of stock on the cheaper ones
I'm informed that the racing ones are too cold for road use... by someone using the PFR 6's on their 440bhp demonstrator - clearly I will be at about this level once the car is mapped - and then will have to think again about turbo choice - as 440bhp is now less than exceptional for a 2 liter!!! - waits to be flamed!!
Are the PFR6's useless for the power I want to be running at? or will they not last very long - just like the ones I currently have?
Just dont want a set of plugs to last only a few thousand miles - does the NF Booster knacker the plugs at all?
Spark-plugs are out of stock on the cheaper ones
I'm informed that the racing ones are too cold for road use... by someone using the PFR 6's on their 440bhp demonstrator - clearly I will be at about this level once the car is mapped - and then will have to think again about turbo choice - as 440bhp is now less than exceptional for a 2 liter!!! - waits to be flamed!!
Are the PFR6's useless for the power I want to be running at? or will they not last very long - just like the ones I currently have?
Just dont want a set of plugs to last only a few thousand miles - does the NF Booster knacker the plugs at all?
27 October 2003, 12:40 PM
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What exactly does it mean for a plug to be 'too cold' and what impact does it have on the road use
Does it mean the car will misfire all over the place until the things have warmed up?
Does it mean the car will misfire all over the place until the things have warmed up?
27 October 2003, 12:47 PM
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The term "hot and cold" as related to engine spark plugs. Normally, a hot plug is used in a cold engine — low horsepower, and a cold plug in a hot engine — high horsepower. In actuality, these terms refer to the plugs ability to transfer heat from its firing end to the engine cylinder head. To avoid spark plug overheating where combustion chamber or cylinder head temperatures are relatively high, a cold plug is recommended, such as in a high compression engine. A cold running plug has the ability to transfer heat more readily. A hot running plug has a much slower rate of heat transfer and is used to avoid fouling when combustion chamber and cylinder head temperatures are relatively low.
27 October 2003, 11:32 PM
#14
Ecu Specialist
Steve, '6's will probably melt a hole in your piston .. far too hot running causing pre-ignition, whoever told you the '8's are too cold is correct but also incorrect ... unless the ecu is mapped specifically to run them off boost they will cause the car to feel very "fluffy". However mapped correctly there will be no problem ... and at your level they are needed.
You know how your car was the other weekend, imagine that but worse and maybe losing the engine ... if you put in'6's. And I did explain why I would not continue with the mapping until the plugs were changed.
Your choice whose advice to take ... I'm just offering the benefit of my experience.
cheers
You know how your car was the other weekend, imagine that but worse and maybe losing the engine ... if you put in'6's. And I did explain why I would not continue with the mapping until the plugs were changed.
Your choice whose advice to take ... I'm just offering the benefit of my experience.
cheers
28 October 2003, 01:13 AM
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Steve,
Take Bob's advise, I've seen, and heard of too many engine failures, due to inappropriate plugs being fitted.
There are various solutions to working around a cold plug, as Bob has mentioned, but little one can do if you melt a piston, or the electrode melts, and drops into a cylinder.
Mark.
Take Bob's advise, I've seen, and heard of too many engine failures, due to inappropriate plugs being fitted.
There are various solutions to working around a cold plug, as Bob has mentioned, but little one can do if you melt a piston, or the electrode melts, and drops into a cylinder.
Mark.
29 October 2003, 11:24 AM
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Ok
Not taking other peoples advice on plugs!!!!! - just was interested in this hot and cold stuff
Just couldnt get holder of the cheaper 8's!!!!
Will put in an order for the R119-8'S.........
The company that did mention the 6's clearly doesnt have a clue/is lieing about the power of their car and were generally too arrogant anyway...............
Just trying to save money.........again!!
Not taking other peoples advice on plugs!!!!! - just was interested in this hot and cold stuff
Just couldnt get holder of the cheaper 8's!!!!
Will put in an order for the R119-8'S.........
The company that did mention the 6's clearly doesnt have a clue/is lieing about the power of their car and were generally too arrogant anyway...............
Just trying to save money.........again!!
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