Im taking the supercharger off tommorow for a rebuild and to put in a new aluminium coupler. While it'* all apart im gonna paint it. Any thoughts on what color would look best with my set up. I have red msd coils and wires, the engine bay is dark green, the strut brace is silver and the engine cover has cuts in it and is silver as well. I would like to have contrast between the cover and the supercharger so i don't want to paint it the same silver. Well any ideas would be nice. I was thinking maybe a red or a gray. Even a black i really don't know and i know im gonna go look for a color tommorow and go crazy cause i won't know what color to choose. Any thoughts would be great. THX

First of all, I don't think an aluminum coupler is a good idea at all. It'* designed to be the weak point in the system to protect the blower. If you need a coupler, I suggest the one at www.zzperformance.com

Secondly, in my dealings with Eaton and Magnusson, I learned that painting the SC is a bad idea. The paint on it is designed for heat transfer.....to help it run cooler. You don't want to insulate it with another coat.

Paint is just going to hold in the heat more and you don't want that.

First off, im totally speaking out of opinion so im not hammering anyone on there'*, so no hurt feelings intended or anything. But i personally don't believe everything that the manufacturer tells me. If eaton origionally put in an aluminium coupler than a lot of people wouldn't have to be replacing the cheap plastic ones after 75000km or less. If you think about it there are a lot of supercharged gm cars out there but most people hear a grinding from the supercharger and they go straight to gm, then gm tells them they need a new supercharger all due to a coupler that failed and costs 5 bucks. And gm later gets this supercharger from magnuson or eaton and that company is making money twice on one car. If you go to a gm service dealer they automatically say that the supercharger can only be replaced because if you try to take the bearing out you will never align it properly. Im my opinion anything people put together can be taken apart and put back together. I even called Magnuson a while back and they don't reccomend you ever take off the nose cone and try to replace it yourself due to miss alignment. I have already done 2 rebuilds with no problems, the 2nd rebuild was due to another shitty coupler, that was on my dads car.I think we put a lot of trust into people with job titles, last week i had an exhause leak and one place told me it was a craked header and they were 100% sure, i went for a second opinion and replaced the donut gasket for 50 bucks and it'* as good as new now. And if something goes that wrong in your supercharger that the coupler needs to break your gonna need a new supercharger anyway if not more. As for painting the superchargeri do agree that i may insulate it a little bit but not to the point where it'* ever gonna make a differance or be noticible in performance. Well there'* my 2 cents. Hope i didn't offend anyone.

No offense at all. We're all here to share experience and knowledge. My experience is that the SC has to spin up and goes through alot of stress on throttle romp. That coupler gives a little bit to prevent that initial stress from having a negative impact on the SC internals. It'* like having a shear pin in a drive shaft in large commercial machinery.

I've never heard of an aluminum coupler before, and have firsthand knowledge of the internals of the M62, including the coupler. In fact, I changed my coupler for the sheer experience, even though it didn't need to be done at 80k miles. There was no wear.

Our experience and knowledge with the paint came out of a bad experience with an aftermarket 'performance' SC vendor that we've blacklisted from this club and ClubGP. The SC Thunderbird forums have also been warned. One of his poor practices was painting the SC. I spoke directly with the GM of Magnusson, and to one of his lead engineers for the benefit of this club. Yes, the color of the M62 is ugly, and no, we're not gonna jump on you if you paint it (unless you paint it pink or day-glo orange). We just share our experiences.

The ZZP coupler is designed to be more flexible, but less apt to 'ovalling' (is that a word) the 6 pin holes. You get the best of both worlds. Better protection from torque damage, and longer life. Zoomer at ZZP has alot more experience with this on the L67 than I do. I'd suggest emailing him for his thoughts on an aluminum coupler. Brian at Pulley Boys is another good resource on this subject.

In all honesty, a coupler should last at least 100k miles, even with a performance pulley and a heavy foot. The SC, if properly cared for, should outlast the entire drivetrain.

Well i probably won't end up painting the supercharger now. But the coupler that we put in my dads car is also aluminium that was machined by a friend. The supercharger just runs soo much smoother than on the old plastic one. Just seems like there can be too many inconsistencies with the plastic. I agree with you that the plastic coupler does give a little bit when you hit the throtle but that leads to it'* faliure and wear. I would be more concerned about the give if it was a jolt, but any throtle you give preaty much eases in it'* not jolt that may wear the gears. In my opinion the only function of the coupler is to connect the nose to the drive cause there is no other way of putting it together. I think with the aluminium you just get a tighter operating supercharger. As the plastic wears out you get play in the supercharger and that'* is when i think you will get a jolt in the supercharger when you hit the throtle becasue by the time the nose and coupler hit the other gears they already have a bit of speed and its not a smooth transition.