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Turbo spark plugs.

Frenchy

Frenchy

New member
Gents, doing a refresh on the ignition system after some recent hesitatio, recommended plugs for the car, mapped and boost raised etc ??
 
Linky works nicely for me. Try looking for eBay item number 261953473884.

I buy my S2 plugs from him (WR5DC+) and he's a good seller.


Oli.
 
zcacogp said:
Linky works nicely for me. Try looking for eBay item number 261953473884.

I buy my S2 plugs from him (WR5DC+) and he's a good seller.


Oli.
Click to expand...


Got it now. Oddly, clicking on the original link it doesn't but where I quoted Eldavo it does.
 
I think I have WR5 in right now no issue. Be careful though as Bosch go one way and NGK go the other way I think. There are guides available on line with a quick search using a well known internet search engine. I wouldn't advocate using their shopping hits though [:D]
 
robwright said:
I wouldn't advocate using their shopping hits though [:D]
Click to expand...


Topical and naughty. all at the same time! :p

I knew there was a reason I liked you Rob (and didn't think it was your good looks .... )


Oli.
 
Interesting. I've always used the Bosch WR7DC or the NGK equivalent, running a tad north of 300 bhp, without issue. What is the case for the colder plug out of interest? Safer?

Stuart
 
In a nutshell the more forced induction the hotter the cylinder temperatures can be and the hotter the plug can potentially be. A "colder" plug dissipates the heat better through the electrode and hence reduces the risk of pre-ignition from the electrode tip being hot enough to ignite the fuel air mixture.
 
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