GODSPEED (FD) anti sway bars on ebay, anyone got them?
i seen these GODSPEED sway set on ebay for like 220 shipped for the front and rear.. now im wondering what the deal is.. are they good and worth the 220? can anyone comment?
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I'm kinda wondering the same thing.
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buh buh buh bump! someones got to have a set.. whats good peoples?
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Good for what? Street? Auto-x? Track?
What spring rates do you have on now? |
You can get a set of Tanabe bars for about that price, they are a known quantity (and quality), recommended by Howard in his suspension thread.
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+1 for that idea.
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Tanabe is a more expensive. With shipping, I got their front and rear for just a few bucks under $400 ($395 to be exact). But I do agree with going with something better known. ;)
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OK you made me go back and look. I dug out my receipt, my Tanabe F/R set was $352.xx including shipping from evasivemotorsports.com, so I was wrong on comparing the prices. This was for an FD btw.
What are the diameters on the godspeed bars? and do they include mounting hardware? To be thorough you should also replace your front bar mounts with Widefoots or similar. I did and it increased the total cost of the upgrade substantially. A necessary evil I'm afraid... |
Originally Posted by habu2
(Post 8947111)
What are the diameters on the godspeed bars?
DESCRIPTION : GODSPEED 93-97 MAZDA RX-7 FRONT AND REAR SWAY BAR WITH RUBBER( LIFETIME WARRANTY) FRONT- 31.40mm REAR - 21.00mm |
Basically they are Tanabe copies from the information gathered. But after the whole Racing Beat debacle why not just go for something that is known to work?
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they have to be better then the OEM anti sway bars..
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Define better?
Nothing wrong with OEM bars. Plenty of people running them. Don't get into the mindset that just b/c a part is aftermarket, it is better. That isn't always the case. Many times its is not. |
Originally Posted by gracer7-rx7
(Post 8947329)
Define better?
Nothing wrong with OEM bars. Plenty of people running them. Don't get into the mindset that just b/c a part is aftermarket, it is better. That isn't always the case. Many times its is not. |
Id rather get the cheap ST bars than an unknown ebay brand.
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You already seem to have made up your mind. Why don't you just get them? It's your car in the end to make or break.
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yeah why not, its cheap.. if there crap ill sell them.. but i still wanted to know if anyone used them
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Originally Posted by 24/seven
(Post 8947381)
when i said better i ment stiffer.. but your right, aftermarket isnt always better but in this case i think it is.. im sure they will have less roll then oem
If you're slapping on bigger bars just because they're bigger then be sure you get a color you like as well. Bling Bling... |
Originally Posted by habu2
(Post 8948334)
Stiffer isn't always better (in spite of what your girlfriend said). And less roll is only part of the equation, you also want to dial in your weight transfer with the correct bar. Front/rear balance in roll stiffness is also important.
If you're slapping on bigger bars just because they're bigger then be sure you get a color you like as well. Bling Bling... |
Originally Posted by 24/seven
(Post 8948349)
actually stiffer would deffinetly make the car have less roll.. and the ballance seems to be ok sinse its a 28mm front and 18mm rear if i remember correctly.. i mean shit, i could put them on and they might not be balanced right but thicker/stiffer bars will deff make less roll.. and of course i will use a mircrometer on the old oem bars to see if the new bars are balanced.. im sure i dont need to explain how to do that..
Also a bar could have a 28mm OD but a 0.1 wall and be less rigid than a smaller bar with a thicker wall. Also the quality of the materials can come into concern. Unless you have very specific information about the actual products you will not be able to calculate the percentage gain over the OEM stock bars and you will be crapshooting for results. Who cares about having less roll of the car is not behaving as you would like it. Contrary to what you may believe less body roll isn't the sole component of better cornering. You should definitively read Howard Coleman's thread on FD handling twice for good measure so you may more properly understand the function of swaybars in the greater picture of the working unit that is suspension. |
dradon03 is correct. The diameter of a bar does not in itself define the torsional spring rate (stiffness). You have to account for the distribution of material across the cross section of the bar. Hollow/tubular bars are a perfect example of this.
And less roll isn't the only objective. Some roll can be a good thing, especially if you consider the FD's progressive negative camber gain as the suspension compresses. Balanced weight transfer is the objective, and for that you have to account for both front and rear roll stiffness as well as front and rear spring rates. There are entire books on this subject. I suggest you read one. If not, as I said earlier, be sure you get a color you like... |
Originally Posted by 24/seven
(Post 8948349)
and of course i will use a mircrometer on the old oem bars to see if the new bars are balanced.. im sure i dont need to explain how to do that..
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i have the inner and outter measurements of the new bars. i will cut a bad oem set and measure them.. i also will try a flex test.. the 200 dollars dont mean shit to me.. i will come up with a good comparison..
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Originally Posted by habu2
(Post 8948598)
actually you do need to explain that, it makes absolutely no sense at all. :icon_tdow
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Originally Posted by 24/seven
(Post 8948830)
i have the inner and outter measurements of the new bars. i will cut a bad oem set and measure them.. i also will try a flex test.. the 200 dollars dont mean shit to me.. i will come up with a good comparison..
http://www.fd3s.net/anti-sway_bars.html Sorry to say this if as you say the financial aspect of your purchase was completely insignificant #1 You would have never created this thread #2 You would buy name brand. Your statement is nonsensical if 200 dollars is not important than what is the 100$ to get a tried and tested product? |
Originally Posted by dradon03
(Post 8948919)
For the OEM bars these already exist so please don't waste a perfectly good set. Go back to old posts there is alot of good info to be had.
http://www.fd3s.net/anti-sway_bars.html Sorry to say this if as you say the financial aspect of your purchase was completely insignificant #1 You would have never created this thread #2 You would buy name brand. Your statement is nonsensical if 200 dollars is not important than what is the 100$ to get a tried and tested product? |
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