Originally Posted by codyace

That seat of pants feel, always so accurate. Big blocks for life!



DId you copy paste that from their website?



Is this something you've personally sat down and measured, or you've read about?

Ultimately, if I'm buying an X" spring at XXX lb rate, I could really care less that one is 1/8" to 1/4" taller...I mean that makes absolutely zero different.



ANy reputable shop or cognisant owner will be re aligning and resetting height after tearing apart a coilover and rebuilding it. Again, 1/4" in total spring height is going to be negliagable at best in determining ride height.

FWIW: No one is doubting the spring manufacture...all we're saying is that a equally rated spring will handle and work the same as any other equally rated spring, this side of Brand A and B being measured by the same scale/machine.

It's amazing to see how confused some are by marketing and flashy wording. Branding..sigh...the true killer of America.

Originally Posted by ninjlao

USC, Aerospace and Mechanical engineering (emphasis on metalurgy (Material Science) and your wrong LOL. Unlike yourself I dont use my schooling to backup my data. "I have a ME degree so listen to me" is definitely not the wat we learned in school.

Im done posting here. No point in posting against someone like yourself. Google it yourself and check the different densities of different steels. And that is a good enough simple analogy to see the different uses in metals. Also you should also have the understanding that a spring is not ever composed of one metal.

If people say there is a difference use it for yourself like what NINJA14 said. If your not willing to, throwing up theories does nothing. In fact in suspension tuning itself there is still constant research being done, and even the frequencies of an engine idling can change the spring rates of certain spring. A certain amount of heat can change the reaction of the front spring on a circle track car.

There is more than enough testing I have done to see a difference. Use your ME degree wisely and do your own testing. If not just keep saying a product is bullshit and it sucks, which is really easy to do if you just sit on your ass and do nothing.

I have a lot of experiences in suspension tuning and I am also a suspension consultant for certain ALMS and Grand AM teams, Super late models in the midwest and that is only in the US. I definitely know a little more than most about certain aspects of suspension. The only reason why people come to me about it, is that I will actually go out of my way to test every product out on the market. I provide knowledge in the racefield that people normally don't go into testing. they use what they have. I figure out the best and work with it. I've said this over and over again but I am not a Swift Spring fanboy. I will use other springs if their is better out there. In fact their are companies that are better than Swift, I've tested them. But Renton springs going for about 1500 dollars per spring, does not make it financially feasible for even race teams considering they have about 80 springs per car. If I find a product that is better than Swift at the same price range. I will rave about that instead.

Anyways you can do what you want. It doesn't matter to me. This is a pointless argument that does nothing for me.
Post what you will Im done here.

Originally Posted by NINJAS14

Actually even if you put a spring that is a 1/4 inch taller you can still propperly corner weight the car. It is if your spring sags after you corner weight the car that your corner weights go all over the place.

Also it seems as though your a huge fan of Hiperco, but actually I've seen a hipercoil sag 1/2 an inch on a gale force machine. And continuously get shorter throughout its life.

The thing is with our production vehicles we are nowhere near hard enough on a spring to sag them. So Im sure any spring you run will not sag. I was introduced to the Swift spring by my buddy that runs the West Coast Protruck series in Irwindale. And he told me that his Swift springs he can run on all season but he used to have to swap out springs every 2-3 races on his truck with Hipercos. Sagging is a big issue with the nascar guys, not only because the corner weights gets thrown off, but also becasue they actually measure out the ride height after the race, and if the truck is lower than it originally started then even if they win they are automatically disqualified. Also these Nascar guys are really really hard on the spring. They are coil bound all throughout the corner.



But yes I also agree that on our cars even corner weighting doesn't affect much unless the car is completely stitch welded together. I'm sure there is enough flex in the chassis to throw it off in a corner anyways.

Originally Posted by slider2828

I agree with you, but at the time when purchased, megan's were really the only option.... Now maybe PBM pro coils may be the only ones I would buy... unless I really had lots of money to buy zeal functions.... or get an old set of Tein Race Specs, if I could find it.

Originally Posted by e1_griego

You can do 8610s and save about $400, and find everything used and save more.