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Adjustable ARB / Swaybar end link options & recommendations

Old 11-13-2018, 06:47 AM
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Adjustable ARB / Swaybar end link options & recommendations

In an effort to increase my front roll stiffness on a budget, i tried the good old rx8forums "redrill the front bar" holes inboard. well, i got that done, but when i went to install the end links, they are too fat and they contact the larger-diameter lower shock body of my fortune auto coilovers.

hence, i'm looking for some slimmer-profile, length-adjustable ARB end links. My thought is that if i shorten them, they will gain a little more clearance to the damper body (i'm at 13.5" front ride height). Heims seem a bit pricey (for GOOD ones) and high maintenance so I've been mainly looking for sealed ball-joint style links.

The racingbeat ones look nice, but they also seem as long or longer than stock. i couldn't figure out if their measurements were total length, or stud-to-stud, or what. The studs are also ludicrously long.
Adjustable Sway Bar End Links - Front for 06-15 MX-5/04-11 RX8 - Racing Beat

That brings me to the Roadstersport ones, which seem to have great adjustability.
https://www.good-win-racing.com/Mazd...t/61-1796.html

Has anyone here used either and can comment of fitment and durability, or recommend looking elsewhere?

Last edited by hufflepuff; 11-13-2018 at 06:49 AM.
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Old 11-16-2018, 06:45 AM
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There's also the ones from EVO-R, but they are sold in a set of 4 and i'm not sure how the durability would stack against the others. Marc Monnar in his DSP RX8 claims he's running them.

MAZDA RX-8 SE3P Front / Rear Adjustable Stabilizer End Links
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Old 11-16-2018, 03:23 PM
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For what its worth, I have the Evo-R ones and have run them through ~25 autocross events and they have held up well. I run a Hotchkis front bar and have ran both a Progress and a stock rear bar (Currently no rear bar).
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Old 11-16-2018, 07:46 PM
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Originally Posted by hufflepuff View Post
There's also the ones from EVO-R, but they are sold in a set of 4 and i'm not sure how the durability would stack against the others. Marc Monnar in his DSP RX8 claims he's running them.

MAZDA RX-8 SE3P Front / Rear Adjustable Stabilizer End Links

i have had the evo-r endlinks on my car for over 10 years, and at least 80k miles of which i would guess 3 to 4k are track miles. no issues.

bars are progressive, and front set in middle and rear set on stiff.

beers
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Old 11-21-2018, 05:33 PM
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The racing beat ones are junk. I'm using the 949 Racing NA/NB endlinks on my rear bar (same stud diamater as the front) and they seem as slim as you can get. If that doesn't work you'll need to get a better bar probably.
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Old 11-22-2018, 08:25 AM
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Just found some ones from flyin miata as well:

https://www.flyinmiata.com/nc-and-nd-end-link.html
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Old 11-22-2018, 08:32 AM
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i'm checking to see if the EVO-Rs are available just the front pair... right now it looks like you can only buy the set of 4.
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Old 12-31-2018, 02:28 PM
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Powergrid is great for the front and what I use there, which is what Goodwin sells or did sell. Not sure if it’s the same now. The threaded head is too long for using them on the rear though. I have the Evo R on the rear. Been on both of these for the last 10 years or so. The rear is so short that you can’t get an adjustable barrel between the two ends. So to adjust the Evo you have to pull one end off and make a full turn with it. Not usually a problem because there’s enough slack between the threaded stud ends and the mounting holes to get it all into an unloaded position. I use a big flanged nut from McMaster Carr on the front powergrid threaded ends though. Their nut kind of sucks imo.

I bought one of the RB front sets when it first came out and sent it right back. They didn’t even have reverse threads on the center adjuster. Not sure if it’s the same now, but it was just cheap overseas junk imo.

The Miata stuff is basically the same sizes needed, I just prefer sealed ball ends over racing heim joints. IMO heim joints are nothing but a disadvantage in every regard compared to the current generation of ball ends. I did originally have the full EvoR kit, but boogered up a front one and swapped in the Powergrid/Goodwin links.

Whiteline sells some too.

.

Last edited by TeamRX8; 12-31-2018 at 02:45 PM.
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Old 01-01-2019, 10:05 AM
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I put the Flyin's Miata end links on my NB Miata and tracked it for 2 years. They held up well, so I put a set of NC Miata links on my RX-8. No problems so far, but that car has only been to 6 track days since then.

I had a set of Whitelines on my RX-8 for a while, but they started popping pretty quickly, and the fronts were too long for a 13.5" ride height.
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