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any feedback on Mazdatrix 5.5" race clutch?

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any feedback on Mazdatrix 5.5" race clutch?

Old 01-20-2019, 11:22 PM
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Originally Posted by Smyczek View Post

I'm glad you got it worked out. Where do you race? I'll be at VIR in April then again in the fall for the Runoffs.
too bad you dont race with NASA. i primarily race with NASA and go to VIR at least twice year. I mostly run in northeast tracks.
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Old 01-20-2019, 11:32 PM
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Watkins Glen is on my bucket list
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Old 01-20-2019, 11:37 PM
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Glen is an awesome track. scare the **** out of me but i love it. check out PittRace also, I think i like that more than Glen now.
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Old 02-11-2019, 04:08 PM
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so after getting the car back together, i start the car up and let it warm up. then it push the clutch down to get it in gear and the car would lurch forward and doesnt want to go in gear, i tried several times in different gear and its the same. i even put the car in gear and try to start it in gear with clutch down and the car would lurch forward. so the clutch is definitely dragging. i couldn't figure out why. then i tired something else. with the engine running, i put slight pressure on the shifter to put in gear, then press down the clutch slowly till it slide into gear. boom. that's when i realize that the over travel of the pedal cause the clutch to drag. the clutch has a very narrow window of disengagement, anything over that would cause it to reengage. i had already made a pedal stop but i didnt have it turned out far enough. i end up having to turn the pedal stop out so far, for the perfect clutch release, that the clutch pedal wouldnt engage the low switch to start the engine. i had to add a half inch spacer just so the pedal could engage the low switch to start the engine. i probably took about half of my clutch travel out. which is great, less clutch pedal travel

the clutch grabs like crazy, but can still slip if you try, doesnt chatter much. there's no engine momentum at all when taking off from stop. rpm drop so quick between shift. and if you take it out of gear coming to stop, rpm drop so quick then engine stalls out. gotta keep it in gear till rpm drop low enough then take it out of gear.

Last edited by trackjunkie; 02-11-2019 at 09:08 PM.
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Old 02-11-2019, 04:17 PM
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Originally Posted by trackjunkie View Post
so after getting the car back together, i start the car up and let it warm up. then it push the clutch down to get it in gear and the car would lurch forward and doesnt want to go in gear, i tried several times in different gear and its the same. i even put the car in gear and try to start it in gear with clutch down and the car would lurch forward. so the clutch is definitely dragging. i couldn't figure out why. then i tired something else, with the engine running. i put slight pressure on the shifter to put in gear, then press down the clutch slowly till it slide into gear. boom. that's why i realize that the over travel of the pedal cause the clutch to drag. the clutch has a very narrow window of disengagement, anything over that would cause it to reengage. i had already made a pedal stop but i didnt have it turned out far enough. i end up having to turn the pedal stop out so far, for the perfect clutch release, that the clutch pedal couldnt engage the low switch to start the engine. i had to add a half inch spacer just so the pedal could engage the low switch to start the engine. i probably took about half of my clutch travel out. which is great.

the clutch grabs like crazy, but can still slip if you try, doesnt chatter much. there's no engine momentum at all when taking off from stop. rpm drop so quick between shift. and if you it it out of gear coming to stop, rpm drop so quick it stalls out. gotta keep it in gear till rpm drop low enough then take it out of gear.
Yeah, they have a very narrow window of adjustment that is acceptable - about 1/4" actually. You have to be careful, because if you overstroke the pressure plate it will mess it up. Follow the instructions carefully.

That is a separate problem from clutch drag, however. If the pedal isn't adjusted right and you have too much travel, you will actually re-engage the clutch, which is what it sounds like happened for you this time.
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Old 02-11-2019, 04:23 PM
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Yeah definitely wasn't clutch drag but clutch re-engagement. I haven't driven the car hard and shift at redline yet. Still taking it easy to break in the new 5.1 FD and osg diff.

Last edited by trackjunkie; 02-11-2019 at 09:03 PM.
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