Andy Hollis' One Lap Miata (K24 Honda power)
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Joined: Mar 2007
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From: Santa Clara, CA
But no, I never did find a good solution for the parking brake cable routing with the Goodwin rear brackets. I ran them for ~ 40K miles, never had any *problems* with it, but was never really happy with it.
--Ian
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Suspension work.
Nothing radical here...just the usual Racing Beat 1.125" hollow front bar, and 14mm Mazdaspeed Miata rear, both set in urethane that has been bluprinted (shave the flat side even with the saddle bracket). SuperMiata 949Racing end links (these things are pimp) and RB "blocks and bolts" complete the setup. Ran the same stuff on my STS Miata for years with good results.
Nothing radical here...just the usual Racing Beat 1.125" hollow front bar, and 14mm Mazdaspeed Miata rear, both set in urethane that has been bluprinted (shave the flat side even with the saddle bracket). SuperMiata 949Racing end links (these things are pimp) and RB "blocks and bolts" complete the setup. Ran the same stuff on my STS Miata for years with good results.
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Started mounting up the electronic coilovers and ran into a snag on the rears. This is at about mid-travel.
Much head-scratching around the world (HVT and Tractive in Holland) w/o any easy/quick solutions. After sleeping on it, I had a ureka moment:
Not cheap, but quite possible easy.
Called Shandelle at V8 Roadsters and he had one set left on the shelf. Mine!
Much head-scratching around the world (HVT and Tractive in Holland) w/o any easy/quick solutions. After sleeping on it, I had a ureka moment:
Not cheap, but quite possible easy.
Called Shandelle at V8 Roadsters and he had one set left on the shelf. Mine!
Last edited by AndyHollis; Mar 31, 2015 at 07:39 AM.
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Suspension is all on the car now. Locating/securing the shock reservoirs was a challenge as the hose end banjos were clocked in an unfortunate setup, so my original measurements were a fail. I'll blueprint all that stuff later when I have more time. Today, it comes back off the jackstands to set ride heights, corner balance and garage alignment. Also need to wire up the electronics. Pics are at full droop.
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Update: Car is back on the ground with ride heights set (no corner weights yet) and garage alignment. Drove around the block and nothing fell off. So it should be ready to race, right?
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Joined: Sep 2012
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Looks GREAT. What height is the car at from the pinch welds?
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More updates coming...been off testing tires for GRM.
Harness is in. Schroth Profi II HANS. 2/3" hybrid across the HANS, 2" lap for better fit, 6-point subs to better hold the pelvis down (given the rollbar proximity).
Had my cagebuilder do finish welding on the backing plates (I won't weld my own safety gear).
Lots of fiddling involved with the sub straps, as the seat is already on the floor. Had to enlarge the slots quite a bit to create clearance.
Harness is in. Schroth Profi II HANS. 2/3" hybrid across the HANS, 2" lap for better fit, 6-point subs to better hold the pelvis down (given the rollbar proximity).
Had my cagebuilder do finish welding on the backing plates (I won't weld my own safety gear).
Lots of fiddling involved with the sub straps, as the seat is already on the floor. Had to enlarge the slots quite a bit to create clearance.
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Track debut for the One Lap Miata today...purposely did not put track pads on it so I'd keep speeds in check. Stole the SSR/Cont DW's off the Mazda 2 since all the other wheels have GRM test tires on them at the moment.
The car is a joy to drive. The electronic shocks are truly incredible, though I am still working on track setup. You can dial them down to Buick ride quality on the street (seriously), yet nicely taught on track. Haven't even begun to work on front/rear bias yet.
I need to watch my corner entries as I am so used to the mid-corner push that catches you with FWD.
Much left to do (including swapping in the race motor) but I can see the light at the end of the tunnel now.
The car is a joy to drive. The electronic shocks are truly incredible, though I am still working on track setup. You can dial them down to Buick ride quality on the street (seriously), yet nicely taught on track. Haven't even begun to work on front/rear bias yet.
I need to watch my corner entries as I am so used to the mid-corner push that catches you with FWD.
Much left to do (including swapping in the race motor) but I can see the light at the end of the tunnel now.
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Car looks so clean and unassuming. Love it.
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I'm definitely interested in more camber, but scuttlebutt is that the ISC's conflict with 15x9s (see https://www.miataturbo.net/race-prep...ussions-83267/). Are you using spacers or running more narrow rims? Or maybe it's not an issue at all?
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From: Beaverton, USA
The carriers and calipers are interchangeable. Pad is determined by the carrier used, not the caliper.
Sport pads if you put NA8 calipers on Sport carriers. M-Tuned adapters, NA8 or NA8 depending on carrier used.
The caliper carrier, or bracket if you will, is different between Sport and standard, but the lug spacing and offset are the same. The pin centers, diameter and offset on the two calipers are the same. Ergo, one can fit Sport carriers (brackets) with non Sport calipers onto non Sport knuckles.
We have tried a bunch of different combos. Running 11.75's up front with Sport rear rotors and minimal aero, NA8 calipers. With huge downforce, porky car (V8), or 275's, the bigger piston Sport caliper starts to give better balance.
No idea why the Sport knuckle has a different P/N than the base. There was only what, one year of overlap AFAIK.
Sport pads if you put NA8 calipers on Sport carriers. M-Tuned adapters, NA8 or NA8 depending on carrier used.
The caliper carrier, or bracket if you will, is different between Sport and standard, but the lug spacing and offset are the same. The pin centers, diameter and offset on the two calipers are the same. Ergo, one can fit Sport carriers (brackets) with non Sport calipers onto non Sport knuckles.
We have tried a bunch of different combos. Running 11.75's up front with Sport rear rotors and minimal aero, NA8 calipers. With huge downforce, porky car (V8), or 275's, the bigger piston Sport caliper starts to give better balance.
No idea why the Sport knuckle has a different P/N than the base. There was only what, one year of overlap AFAIK.
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