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what are the best spark plugs and wires for the car??


Diegoik

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I wan to change the wires and plugs on my car (75/ 2002) , it has some slight mods.. 2 DCEO 45 webber 300 degree cam, headers and high compression pistons.. just wondering wich would be the best way to go on the plugs and wires.

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For plugs I'd recommend NGKs - BP5ES are the ones you'd want. Others will chime in with plug wire recommendations.

Bob Napier

+1 on NGK. Also, I have a stock motor and I use Bosch OE replacement 7mm wires. However, since your motor is more performance oriented, you may benefit from a set of 8mm wires. Ireland sells them, as does Bavarian Autosport. Prices are $50+.

-David

1972 2002 - 2577652 Follow the fun

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7 ... 8 MM wire wont make any diff,

that's generally just the thickness of the outer INSULATION

the beef is the core/ conductor material

sparkplugchart.jpg

'86 R65 650cc #6128390 22,000m
'64 R27 250cc #383851 18,000m
'11 FORD Transit #T058971 28,000m "Truckette"
'13 500 ABARTH #DT600282 6,666m "TAZIO"

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I have found that the best wires are the Bosch 7mm with the bakelite resistors on the end...the stock ones for our cars. I have wasted money on a few sets of "aftermarket" 8m wires. Every time I start having running issues and the wires end up going bad. The Bosch wires have a long lifespan of good performance. Now they are a boring gray color but I don't drive with the hood up haha

I'm not as dumb as I look

74 Verona

06 Audi A3

09 Mercedes C300

06 VW Passat

03 VW Conv Beetle

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I run the BPR6ES NGK plugs and love them. It's a different heat range than the "5", but it is what I have always run.

Get the "R" version, it's for "resistor" not "rice" ;-) Keeps noise out of your stereo.

Finally, make sure and use anti-seize when you install them. You're putting steel threads into an aluminium head!

BD

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i found localy some BP6ES, i will try them tonight on my automatic. She is curently runing Bosch WR8DC or so.

I had choice over BPR6ES, i took the non-resistive ones since there is already a resistor end plug on the oem wiring...sounds logical ?

2006 530xi, 1974 2002 Automatic summer DD
1985 XR4TI, 22psi ±300hp
1986 yota pick-up, 2006 Smart FT diesel

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I've always run the resistor type, but I am running MSD and MSD coil + Pertronix.

The Bxx5ES is 1 notch hotter plug than the Bxx6ES. If you're running fat or burning too much oil, might be worth it, otherwise stick with the Bxx6ES.

BD

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As has been pointed out numerous times on the threads on this board, if you're using Bosch bakelite plug connectors they already have the resistance you want and you do NOT want resistor-type plugs in addition. If you still have doubts use the Forum Search above for clarification about this.

Bob Napier

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