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Old 11-20-2020, 08:08 PM   #1
NickyRacerBoy

 
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Katech aluminum flywheel f/s

So clutch started slipping so i pulled trans and went to order LT4 clutch to only find that they were on national backorder! Track day was around corner and was forced to buy a McCloud clutch with their aluminum flywheel. This Katech comes with brand new friction surface.

Please PM if your interested. I loved rpm characteristics that 25lbs less mass on crankshaft gives you.
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Old 11-21-2020, 06:13 AM   #2
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Can you share the pros and cons? I was just watching engine masters episode and it gained power, but really rev'd like a sewing machine... Assume you loose inertia and the "stored" energy...
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Old 11-21-2020, 07:26 PM   #3
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Can you share the pros and cons? I was just watching engine masters episode and it gained power, but really rev'd like a sewing machine... Assume you loose inertia and the "stored" energy...
Yeah for drag racing lost inertia is no good but assuming since you hang on this section that wouldn't be an issue.

I love how the the throttle is peppy and pushing in the clutch rpms drop faster. HP gains I dont know but overall I was very happy.
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Old 11-21-2020, 07:42 PM   #4
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Yeah ~24lbs off crankshaft makes sportier experience.
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Old 11-21-2020, 08:19 PM   #5
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From my understanding it’s got bad street manners though.
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Old 11-21-2020, 08:25 PM   #6
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From my understanding it’s got bad street manners though.
Fair enough can you be more specific on what they are?
My car is mostly driven on the racetrack but the driving that I did do on the street I noticed nothing.
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Old 11-22-2020, 09:07 AM   #7
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Cool, yep 99% track use and home depot runs to circulate the blood
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Old 11-22-2020, 09:38 AM   #8
Norm Peterson
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Quote:
Originally Posted by Timbo-1LE View Post
Can you share the pros and cons? I was just watching engine masters episode and it gained power, but really rev'd like a sewing machine... Assume you loose inertia and the "stored" energy...
The engine didn't gain any power, but less power was lost parasitically to accelerating the flywheel rotationally and increasing its "stored energy". So more of what was there all along makes it to the tires.


A light flywheel might need a little more clutch slipping from rest because it can't supply as much help against stalling as a heavier flywheel. This may not be as big of an issue for some drivers as others.


Bummer, Nick.


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Old 11-22-2020, 02:03 PM   #9
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Thanks Norn, your correct. Potential did not change, weight sucked up.
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Old 11-25-2020, 12:42 AM   #10
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Bump
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Old 11-25-2020, 02:04 AM   #11
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Pm sent. Curious, Katech is saying tuning is required, did you have to tune for it? Any stalling issues?
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Old 12-09-2020, 05:51 PM   #12
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TTT
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Old 12-30-2020, 02:11 PM   #13
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TTT
price
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