When I talked to you at Mid-O you mentioned she cut-out and wouldn't re-fire. You figure out the issues yet?
While the K motor itself is wonderfully reliable and makes easy power, K Miatas products are not the highest quality in my experience. Justin Lee has a K Miata trans kit in the WRL V6 car and at Mid-O last October we were fighting issues with driveline vibration and sloppy driveshaft joints that ate 3 output shaft seals and stripped out the adapter piece. Not to mention the numerous issues Greg Peters has had on his car. |
I have a K-Miata BMW trans kit and have no problems with the custom driveshaft. It was made by a driveshaft shop and isn't something made in house by them according to the packaging.
Sometimes outside suppliers get it wrong, so taking it to a local driveshaft shop to have the balance and components checked would have been on my list after first indication of trouble. Even brand new u-joints can fail. I had good responses out of them for every question I had. |
2020 NASA ST rules are official, and the submission calculator is updated/live.
https://www.nasaproracing.com/rules https://community.drivenasa.com/topi...ions-proposed/ Toyo RR is added to the 100tw category and therefore gets a +.5 credit and is available in 245/40/15. That becomes pretty attractive. I am considering 225/45 RR on 9" for less contested events/practice setup as it "pays for" my splitter(-.5). That lets me run at 150/2265 with splitter/wing at my current power. Using 205 R7 on an 8" requires me to add 75lbs(at 150avg whp) |
I’ve been wanting to confirm this combination for a while now, and finally had all the parts on hand at one time.
11.75” Trackspeed “Mega” BBK. (Wilwood Superlite, 7420 pad) 15x9.5” +29 Konig Freeform no spacer needed, plenty of room. https://cimg9.ibsrv.net/gimg/www.mia...3fcebab78.jpeg https://cimg0.ibsrv.net/gimg/www.mia...b442a4bd6.jpeg https://cimg3.ibsrv.net/gimg/www.mia...0f2838bfa.jpeg https://cimg1.ibsrv.net/gimg/www.mia...cbb782787.jpeg Consumable cost economy almost makes sense as a single set of front pads might last a whole ST5 sprint racing season. |
Originally Posted by doward
(Post 1557927)
I’ve been wanting to confirm this combination for a while now, and finally had all the parts on hand at one time.
11.75” Trackspeed “Mega” BBK. (Wilwood Superlite, 7420 pad) 15x9.5” +29 Konig Freeform no spacer needed, plenty of room. Consumable cost economy almost makes sense as a single set of front pads might last a whole ST5 sprint racing season. |
https://cimg4.ibsrv.net/gimg/www.mia...1c0439cb2.jpeg
https://cimg5.ibsrv.net/gimg/www.mia...a91c00a0a.jpeg https://cimg9.ibsrv.net/gimg/www.mia...7211ff676.jpeg https://cimg1.ibsrv.net/gimg/www.mia...11a542238.jpeg I took a few months off Miata-ing from NASA Champs until after New Years. Felt good to disconnect from this car for a while, and I feel recharged for 2020 efforts. Keegan Engineering is going to help get the engine package up to GLTC power level. So I pulled the lump and it’s leaving today. I’m still focusing primarily on NASA ST5/TT5 for 2020, but will be making a couple mods that take penalties in that ruleset so the car is better for GLTC and just fun local HPDE stuff with friends. Unless the stars align, I won’t be making the tow to Utah, so Miata Reunion is probably my farthest travel plan. 2020 Goals: -Sub 1:37 Mid Ohio Club Course N/A BP -Drive VIR again -Drive Road Atlanta for the first time. -Sweet new Tarmac 88 livery. |
Originally Posted by doward
(Post 1560093)
-Sweet new Tarmac 88 livery.
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Originally Posted by Brap-Brap
(Post 1548209)
When I talked to you at Mid-O you mentioned she cut-out and wouldn't re-fire. You figure out the issues yet?
While the K motor itself is wonderfully reliable and makes easy power, K Miatas products are not the highest quality in my experience. Justin Lee has a K Miata trans kit in the WRL V6 car and at Mid-O last October we were fighting issues with driveline vibration and sloppy driveshaft joints that ate 3 output shaft seals and stripped out the adapter piece. Not to mention the numerous issues Greg Peters has had on his car. Presuambly you are aware they had a problem in the first batch or so with one of the pieces in the kit? I had unreal (read frghtening) vibration and got sent a replacement part. Between that and a drive shaft balance it has mostly gone away now. I too found them incredibly helpfull and very keen to work through any issues. Coudln't recommend them enough. Anyway, sorry to hijack. |
What kind of power are you aiming for in GLTC trim? I know most of the Miatas are running (or swaping to) K24's. A few dumb people (Cody and I) are sticking to low boost BP's.
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Originally Posted by Midtenn
(Post 1560103)
A few dumb people (Cody and I) are sticking to low boost BP's.
|
Originally Posted by Midtenn
(Post 1560103)
What kind of power are you aiming for in GLTC trim? I know most of the Miatas are running (or swaping to) K24's. A few dumb people (Cody and I) are sticking to low boost BP's.
I plan on running a splitter, and pulling all 250lbs of NASA ballast out, so it will be a very light(~2180) car on 205s, probably. |
If it's that light, you may need to talk to @concealer404 about jounce testing it.
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I'm happy to avail myself and my services if you need some scientific testing. :)
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Originally Posted by turbofan
(Post 1560094)
IN.
https://cimg8.ibsrv.net/gimg/www.mia...f6082a6aa.jpeg https://cimg7.ibsrv.net/gimg/www.mia...37ca2001e.jpeg https://cimg0.ibsrv.net/gimg/www.mia...e1dbb1982.jpeg https://cimg2.ibsrv.net/gimg/www.mia...7aa0994d6.jpeg |
I’m undecided on the headlights. I have satin black for them like the “rendering”, but covering them with the white/color gradient would also be cool.
I have to make a decision on the build plan concerning splitter vs airdam-only, before I wrap one of the airdams. I’ve wrapped a few commercial vans/trucks in my past, but never worked with panels this large on such a curvy car before. So I’m learning a ton as I go. The rear bumper and hardtop will likely get 3-4 pieces with seams. They’ll both have two colors, and each color with need two pieces. |
Cool concept. Makes for entertaining discussions on what car you're driving:
https://images2.imgbox.com/56/98/eKeXJj2L_o.jpg |
Originally Posted by Midtenn
(Post 1560491)
Cool concept. Makes for entertaining discussions on what car you're driving:
it’s only going to get more confusing. Lol https://cimg4.ibsrv.net/gimg/www.mia...d5b1af104.jpeg |
Live tweet:
https://cimg7.ibsrv.net/gimg/www.mia...6f057df69.jpeg Edit: this is where I’m leaving it for the weekend. https://cimg2.ibsrv.net/gimg/www.mia...c737d9429.jpeg P.S. Keegan Engineering received my engine today. |
What are you doing differently with the engine build to hit the power target?
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Originally Posted by Efini~FC3S
(Post 1560546)
What are you doing differently with the engine build to hit the power target?
Keegan has a custom cam grind he’s gonna throw in it, and a set of 84mm Wisecos instead of the OEM JDM 83.5mm. |
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