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May I ask why did you go iridiun and also why did you go 8's?

I was just wondering because from every thing ive seen you are better of running normal plugs and replacing then every 10k or so due to the fact they have a better burn under high load and it works out cheaper

Edited by lawler
May I ask why did you go iridiun and also why did you go 8's?

I was just wondering because from every thing ive seen you are better of running normal plugs and replacing then every 10k or so due to the fact they have a better burn under high load and it works out cheaper

I chose them because they quickly transport away the heat (they stay cooler) and that reduce the knocking (spontaneous explosions). I have run 6 and 7 graded plugs and going up to 7 made a good improvement. The more power the colder plug.

An ultra-fine (0.6mm) center electrode reducing the voltage requirement for spark. This allows for a brighter, stronger spark from existing ignition system. The ground electrode has a tapered cut at the firing end which reduces quenching for better flame core growth and increased ignitability.

They are not too expensive. So changing them every one or two years is OK with me.

The extreme top fuel machines go as high as 9-10 with lots of exotic material on the tips. That suit their engines quite well but for a modest +700 hp machine like mine, it is enough with grade 8 and the "standard" Iridium IX.

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This is how to change the wheel studs to longer ones (not my car on some pictures)

Remove the wheels

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Remove the bolts on the backside of the brake caliper (socket 17) and hang it up with a bit of wire.

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Remove the center cover on the wheel hub with a flat screwdriver.

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Remove the lock pin (replace with a new one)

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Use a pair of flat pliers, squeeze the legs together and press out the pin

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Remove the centre nut (socket 32). The wheel hub will start rotating, use a long bar or equal between the floor and the wheel studs to hold the wheel hub in place.

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When the nut is removed, take out the washer placed behind it and pull off the wheel hub

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Press the old studs out. If you dont have a wise or equal, you can hammer them out.

Please try to avoid using to much force when smacking them out, every blow will make small dimples inside the bearings. If you use a small sledge hammer One firm blow is better than multiple smaller ones. Support from behind is good to save the bearings.

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Place the new longer studs in correct position (splines). Carefully knock them in a bit. Important that the splines are correctly alligned. Use a larger socket and a wheel nut and tighten till the stud is firmly seated towards the back of the hub..

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Clean all surfaces and put new grease on the bearing surfaces. If you plan to use larger brake discs in the future, it is a good idea to remove the splash guard behinf the brake disc before you remount the disc.

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Remount the washer, nut and locking pin. Assemble brake disc and spacer.

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Remount the brake caliper

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Mount the wheels and enjoy the wider stance :)

This is the result on my car (no spacers mounted yet and Camber not adjusted). This is also before the wider fenders are mounted.

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I use a 5-stud wheel hub with pin studs. Make life much easier

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Longer studs

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Front

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Rear

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I do not want to mess around with lots of hard to reach screws and nuts so I looked around to find a good solution.

Thanks to Creatix I managed to lay my hands on a bunch of really good Stainless Steel V-band clamps and flanges. They make life so much easier eliminating the hassle with aligning bolted flanges. Easy to mount and dismantle.

I will use them on the exhaust system, the down pipe, the front pipe, the two wastegates and on the turbon :P

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