My biggest failure with a NGK plug was when the earth terminal fell off and was jammed into the top of the piston on my previous modern. That meant me taking the head off which had to have a light skim. Not a job I want to do again as half the car and half the engine had to be stripped to gain access. Hi Tom, what compression ratio are you running on the Weber engined car. Is it a Stage 2 type head?

Champion N9YC, Denso W20EP, W20EP-U, Bosch W6D, WR6DP, W7D, W7DC, W7DC, Rocwood F6TC, Oregon 77-215-1, 77-315-1, 77-316-1, O-L15YC, LR15Y, Torch F6TC. BMW 02 series are like the original Volkswagen Beetles in one way (besides both being German classic cars)—throughout their long production, they all essentially look alike—at least to the uninitiated: small, boxy, rear-wheel drive, two-door sedan. Aficionados know better. Not only were there three other body styles—none, unfortunately, exported to the US—but there were some significant visual and mechanical changes over their eleven-year production run. This listing is for one plug so if you need more then simply add that number of items to your basket. F000KE0P16, F000KE0P34, W175TR30, W200TR30, W6DC, W7DC, W7DCR, WR5D+, WR6D, WR6D+, WR6DC, WR6DC+, WR6DP, WR7D, WR7D+, WR7DC, WR7DC+, WR7DC2, WR7DP, WR8DC4, STK7500, STK7501, STK7594, STK7595however Denso have given excellent results over the years, not just in std A series engines but in everything from tuned Minors to turbo charged modern performance engines, their platinum plugs are superb, yes they are expensive but will last around 60,000 miles with no noticeable loss of performance. Their iridium plugs are great for turbo cars where there will be very high compression under boost as they generally give a very strong spark.

where as NGK are generally fit and forget, I don't often use bosch plugs but have nothing against them, NGK has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. But I won't complain after 9 years of being off the road and "under construction", she finally is drivable The NGK Standard Spark Plug is constructed from durable material that is corrosion and abrasion resistant. The spark plug insulators are made of 99 percent pure alumina silicate, allowing for longer insulator noses for reduced fouling. This spark plug features a triple gasket sealing process that eliminates fuel leakage. It also includes a solid copper core that provides superior heat dissipation and conductivity. This spark plug has resistor that is produced with a glass and carbon mixture, which is fired to ensure superior performance and durability. It has corrugated ribs that prevent flashover and cold rolled threads to inhibit damage to the cylinder head. The [ dated ] information I have is that the 7s correlated to Champion N9Y and the 6s correlated to Champion N12Y, specified for TR5/6 P.I. and TR250/6 carb respectively, by TRIUMPH. So my experience amounts to " going by the book ".I know it's been a little while since I've posted. The car is here but still in winter storage out in the burbs, so I only get over there every couple of weeks for a little while since the garage isn't heated and it's 40 miles away (better than 2,200, right?). I'll be bringing it up to my place once the salt has been washed off the roads and the temps come up a little.

From what I've seen on this forum the P.I. cars do better with hotter plugs. The above issue about #s 5&6 is a recurring theme too. Some have fattened the plenum to 4" in an effort to correct this. I started my quest for a smooth idle, peppy acceleration, clean oil, clean plugs and decent gas mileage last year. EON5, OE004, OE004/R04, OE004/T10, OE006, OE006/R04, OE006/T1, OE006T10, OE111, RN10Y, RN10YC, RN11YC4, RN7YC, RN9Y, RN9YC, RN9YCC, But coming full circle, you raise an excellent point and I will put in whatever plugs are currently in there and see how she behaves. Tilaa uutiskirje ja voita 50 € lahjakortti Puuiloon! Arvonta suoritetaan joka kuukausi kaikkien uutiskirjeen tilaajien kesken. Voittajalle ilmoitetaan sähköpostitse. Uutiskirjeen tilaamalla saat tiedon tarjouksista, uutuuksista ja ajankohtaisista tuotteista ensimmäisten joukossa! Lähettämällä lomakkeen hyväksyt tietojesi käsittelyn tietosuojaselosteenOne new Champion failed after about five miles so I swapped it for one of the old ones. The following week another one failed so I threw them in the bin and put four new NGK ones in and never had any more trouble. I went to a BP5ES plug (slightly hotter than the BP6) and switched to 87 octane gas as another step toward reaching my goals. The guy I was dealing with from Champion told me that they had a 10% failure rate straight from production