Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary) - Page 117 - Miata Turbo Forum -Boost cars, acquire cats.

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Old 07-19-2015, 04:18 AM   #2321
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Originally Posted by ofspunk7 View Post
Damn. 40 mins of lapping
There's a group I go to Thunderhill with that doesn't use run groups. The track is open from 9-12, then 1-5. Go out when you want, stay out as long as you want, come in when you want. It's awesome. It really spoils you for normal track days.

--Ian
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Old 07-19-2015, 07:18 PM   #2322
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I would never stop!
<br />
<br />That was a great weekend. We found an old spec Miata racer who ran a group down with us so we could play. It was a blast following him. I finished the day with a 2:14.7 on a fast lap.
<br />
<br />I'm definitely at the limit of grip on these tires...and I love it. The car is very neutral and when it let's go its a nice controlled 4 wheel slide. Only had one off all weekend, same as last year, turn 3. Too much entry speed, car started to rotate so I pointed it straight and ran off into the dirt.
<br />
<br />Some minor electrical gremlins with my vei gauge to figure out but otherwise I love the way the car is. I would need more grip if I wanted more power.
<br />
<br />Ran 4psi all weekend. Just enough to pass BMWs on the straights but not too much for the straights.
<br />
<br />Ian what group is that. I want to run with them.
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Old 07-19-2015, 08:36 PM   #2323
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You need a push to pass button. 4psi is weaksauce. Just for straights because rocketship.
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Old 07-19-2015, 09:48 PM   #2324
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4psi was perfect for playing with the spec miatas. I did run full boost a couple times after a cobra pointed me by and didn't lift twice.
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Old 07-19-2015, 10:39 PM   #2325
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Klamath Falls and the misfires are back. This could get interesting...
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Old 07-20-2015, 03:30 AM   #2326
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Pretty nasty squeel in neutral that goes away when I push the clutch in. Throwout bearing right?
<br />FML the trans was out last week.
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Old 07-20-2015, 03:39 AM   #2327
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Noticed this on the road:
<br />
<br />
<br />
<br />Found this:
<br />
<br />
<br />
<br />Less than an hour left. I need to park in the garage, and leave the car for a day or 2 lol.
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Old 07-20-2015, 04:35 AM   #2328
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I thought TOB squeal only came about when the clutch is in, since it's the only time it's loaded against the pressure plate. I may be wrong, though.
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Old 07-20-2015, 04:37 AM   #2329
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Then what squeel is in neutral?
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Old 07-20-2015, 04:49 AM   #2330
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<p>Safe and sound.</p><p></p>
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Old 07-20-2015, 05:07 AM   #2331
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<p>Picture dump! (They are all pretty boring. Click for bigger versions that can zoom)</p><p><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /></p>
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Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-fs4jbohl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-bpi8ofnl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-g4asrawl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-4o4yozjl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-70aakqyl.jpg  

Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-gbxrhkfl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-bvqvzkhl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-veifa98l.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-hbbas0jl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-nbunppgl.jpg  

Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-owcoigsl.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-1nxmivol.jpg  
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Old 07-20-2015, 05:07 AM
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Old 07-20-2015, 06:40 AM   #2332
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<p>Thanks to Jeffbucc I have my new harness all ordered. If it gets here by Wed I can throw it together and run autocross on sunday *fingers crossed*</p><p>Now its bed. I bet hi_im_sean is just waking up.</p><p><br /></p>
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Old 07-20-2015, 10:33 AM   #2333
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Quote:
Originally Posted by aidandj View Post
<p>Thanks to Jeffbucc I have my new harness all ordered. If it gets here by Wed I can throw it together and run autocross on sunday *fingers crossed*</p><p>Now its bed. I bet hi_im_sean is just waking up.</p><p>
Monday is my Sunday, I slept in late until 6 today


Neutral noise could still be TOB. It could be stiff and getting close to siezure causing it to slip against the clutch fingers or fork making a squeal, but as soon as it loads up it gets forced to turn and it quieted down.
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Old 07-20-2015, 12:04 PM   #2334
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Yes they squeal while they have no pressure, then quiet up when they're up against the pressure plate. It's a TOB.

If you didn't adjust your clutch pedal perfectly, a long weekend like this could destroy a perfectly good TOB.
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Old 07-20-2015, 12:09 PM   #2335
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Hmm that could have been it. I also think I accidentally put in the TIB from the auction car instead if the one I bought last year.
<br />Real question:
<br />Can I run like this for a few more months, and what's the worst thing that can happen?
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Old 07-20-2015, 12:27 PM   #2336
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Quote:
Originally Posted by aidandj View Post
what's the worst thing that can happen?
I had a Mustang do this once. TOB sizes up and ceases to function as a bearing and becomes a very dull cutter on a 200+ HP lathe. It then attempts to machine the fingers on the pressure plate or the transmission input shaft. Or both if you don't catch it fast enough. Because its not a cutter, it fails spectacularly at both tasks.
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Old 07-20-2015, 12:32 PM   #2337
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Its good practice to make sure the clutch fork isnt loaded when everything is at rest after any clutch work.

Get under the car and see if there is any free play in the fork. If there isnt, make it so, and that may buy you some time.
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Old 07-20-2015, 12:35 PM   #2338
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Damn. I guess I'll pull it next week some time.
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Old 07-20-2015, 12:46 PM   #2339
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Just to scare you more, I have a theory that when the bearing siezes and starts to "lathe" the fingers, it transfers much more radial load to the fingers. This causes them to start breaking off.





This sort of thing can happen too





Bwuahahahahaha

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Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-0r3ywtqs4umxhictfnmo.jpg   Aidan's SCCA Stock Class Autocross Build (Road Course is Too Scary)-80-y2e9dj8wuq1x3ydpqel_4dea7167390ab1c314af0f4287b0ac2501d45426.jpg  
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Old 07-20-2015, 12:47 PM
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Old 07-20-2015, 12:50 PM   #2340
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Stahp!!!
<br />How long before that happens.
<br />Who can come help next week?
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