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Yeah that is what i thought they would do. I never really thought of the multiple straps as a performance enhancer but basically just to add life to the plug. I think the double tipped platinum's (like the OEM plugs on the 7M) probably last about the same amount of time. IJ: I'm not quick...

I suppose that makes some sense...probably not really needed. As I understand it the spark will just go to the strap that has the least resistance (individual gap, metallurgy(very small differences) and wear determine this). I think the multiple straps are really their to help extend plug life...

Not sure what this means exactly but if you would like a sinusoidal ride I can probably design something that will work for you.

I have never understood what the multiple ground straps are for. The spark can only go between one strap at a time anyway...

haha, you guys are funny. I obviously understand marketing bull shit. just because somebody says this glow plug situation has happened to one person does not make me change my opinion on the product. Multiple situations of the problem would change my mind and I would then change the plugs in...

You may be right about supraforums in terms of MK3 knowledge but I believe there is some great MK4 knowledge on that site. Not calling BS just wanting to hear more info from people with problems, thats all.

I think the OP means during boost instead of before the boost threshold.

Not really sure what this thread gets at...I guess champions suck (which I agree with from personal experience with boats and snowmobiles) but not much info on what type of electrode is better then the other which is what we are after. Search SF for Iriduim, what you find may surprise you...

after reading on supraforums for a while I have found a few people running 61-67 singles on Mk4's with over 25lbs of boost with no problems with the iridiums (including Road Racers) which in my opinion is way more likely to cause "glow plug" then most people with a 7m. I know IJ just got some...

Yes but it seems like there is little info on people actually using the iridium performance plugs, at least from what i have read...

The place I work for, www.rockauto.com has the iridiums (denos IQ-20)for 8.20 each. I just thought we were going on a spark plug tangent compared to the rest of the conversation. I'd be interested to hear about the glow plug storys, what the plug heat range was/boost/ modifications etc. I...

I understand what you are saying but I am thinking that a 20 heat range iridium compared to a 20 Range copper takes into account the size of the electrode. But I realize we are sort of jacking the OP's thread, so we should probably find another thread to talk about this on. Do you have...

I gapped my iridiums and it was extremely easy, you just bend the ground electrode and then slide your feeler gauge in between the center and ground electrode until it has the correct "gap" you are looking for. You just cannot leave the feeler gauge between the electrodes when you gap the plug...

From what I understand, going to a colder heat range (just as you would with a copper plug) at high boost fixes this problem.

http://www.globaldenso.com/PLUG/power/features.html

I have yet to figure out why everyone thinks copper plugs are the best. Yes copper is a better conductor then both platinum and iridium. It is not nearly as strong however, leading to a large electrode and more spark plug changes (I prefer to change plugs as little as possible, less risk of...

G305 is the code for the 3.73 4 pinion LSd differential for the MK3. On my car it is on the door jamb vin tag ( 92, 5spd turbo)

ok i looked it up, the lower ball joint can have a maximum of .3mm (.012in) of vertical play.

uppers are zero, lowers have a little play, i think it is like .5-1mm. I will look for sure in the morning, it is in the Front axle and suspension section.

My car makes a creaking type of noise in the front when going from a grade change while turning (driveways) and when at very low speeds while lightly braking. I have gone through the brakes, did ball joints in june and have checked everything and i just cant figure it out. I would guess it is...