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Hi, Looking for an electrician to rewire my friend's resale HDB. Actually do we need EMA certified electrician to do the work? Cos I guess a lot of electrician from the north do not have such certification but of course their price are cheaper. By the way, if you have any good electrician pls recommend.... I found some with $45 for single 13A power gang and $55 for double power gang, $28 for light point.... See any can be better than this... Thanks!!

Hi all, This is an update further to my post on NGK BKR6E-11 (a.k.a V-Power) condition at 30k km usage. Ref: http://www.mycarforum.com/index.php?showto...spark*&st=0 Recently I just changed out this new sets of "Copper" spark plug (NGK BKR6E-11) with 40,000 km usage. Price for each spark plug is only S$3.50 and it can last 40km without symptom of mis-firing, difficulties in starting, etc. I only felt acceleration a bit sluggish at it approaches 40k km. Below is the photos of the 4nos spark plugs. I took the gap measurement using feeler gauge. According to specifiction, brand new NGK BKR6E-11 the gap should be 1.1 mm. Photo of No.1 cylinder spark plug is below, and the gap measured is 1.18 mm Photo of No.2 cylinder spark plug is below, and the gap measured is 1.19 mm Photo of No.3 cylinder spark plug is below, and the gap measured is 1.18 mm Photo of No.4 cylinder spark plug is below, and the gap measured is 1.20 mm I visually inspected the tips using 10x magnifier, and noticed that No.1 ~ No.3 spark plugs the edge of the tips looks slightly rounded. No.4 spark plug tip looks the least rounded but gap is the biggest. Grounding condition looks less deteriorated than the tips for all the spark plugs. Conclusion: normal "copper" spark plugs can go 30,000 km on my engine without any issues, but to take it to 40,000 km is a bit pushing it. I think 30k km is the limit for my car.

Now still able to find Bosch Copper Plugs? Those that cost only $20 for 4, or even cheaper.

Hi Guys, I'm looking for a replacement spark plugs for my Toyota Fielder. Original plug was Denso's FK16HR11. I've checked the stockists and found that they don't carry this but do have other Iridiums/Platinums for replacement. Some of them carry FK20HR11 which I found that was the standard part for 2006-2007 Axio/Fielders. But since 2007 onwards, Toyota fitted FK16HR11 in new deliveries. I've checked the Denso catalogue for spark plugs and I didn't find the normal copper plugs equivalent. Has anyone replaced the plugs on a axio/fielder with a copper one?

After gold/silver... we have copper bullion bars/coins... I'm thinking of buying for super long long term... Anybody can share some info about copper?? Any precautions needed such as plastic wrap??? will it oxide??

Last Sat went for my car servicing, I changed out my normal spark plug (NGK BKR6E-11) after it had clocked 30,000 km. Actually its 29,588 km to be exact. I think it looks quite good considering each costs $3.50 only and 30k km usage would be no problem. I'm using grade 95 Esso petrol, no fuel additive used except when it was 20k km I used Redline F1 fuel system cleaner, and after that no other fuel additive until 30k km. I measured the gap with feeler guage. Original should be 1.1mm, and the results after 30k km usage were two of them @ 1.14mm and the other two @ 1.15mm. Close up of the tip looks good, the "v" profile on the central electrode still looks good, no visible sign of wear. There you go, this show that normal copper spark plug can go 30,000 km usage on my car. A 1.6 litre NA engine.

OK, I decide to invest in a set of cheap Autolite copper plugs. Side gap them, regap them to 0.88mm (original 1.02mm but side gap must reduce the gap a little). Index the plugs. Fire them up and the low RPM is almost as good as my side gapped Nology plugs. Even better than the stock gapping (Nology run very little gap, I think its just 0.7mm). Denso IK24 at 0.8mm. A bigger gap is always better for power but it will tend to misfire at high RPM or high boost unless you are using CDI. I have yet to test the high end but if you want cheap low end power, just side gap your copper plugs. Life span will of course be shorter since the grounding tip is no longer covering the center electrode. However, you can always regap them after sometime. Just invest in a file and a spark plug gapping tool (to accurately the gap).

i'm gonna custom make them for my car but still contemplating between the 2....copper dissapates heat better than alum but its alot heavier...and now with design alum is better cos the pipings can be bigger compared to copper and its stronger....but is it possible to have alum pipings with copper fins???the last thing i want for my spanking new engine to do is overheat...as there are some thigns in my new engine that even $$ cannot buy liao

Just wanna share this with you. Works for me and my $2/pc BPR6ES-11. http://performanceunlimited.com/documents/...idegapping.html