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Mantic Twin Disc on Street

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Old 06-18-2017, 02:09 PM   #1
EnviedC6
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Default Mantic Twin Disc on Street

So I just recently got a Mantic 9000 installed and have a couple questions. First off, this thing is so much nicer than stock, shifting through gears. The problem I am having is getting used to starting off in stop and go traffic. If I try to slip it, it really grabs and shutters the drivetrain. Are you not supposed to slip these clutches, and just use it as an on/off type deal?
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Old 06-18-2017, 02:11 PM   #2
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So I just recently got a Mantic 9000 installed and have a couple questions. First off, this thing is so much nicer than stock, shifting through gears. The problem I am having is getting used to starting off in stop and go traffic. If I try to slip it, it really grabs and shutters the drivetrain. Are you not supposed to slip these clutches, and just use it as an on/off type deal?
I had a Textralia clutch in my C5 with a built LS3. It was an on or off clutch. I learned not to slip it much at all.
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Old 06-18-2017, 03:19 PM   #3
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Once they are broken in, I had zero issues with mine. Put ~18k on my twin. Swapped to a triple and now have ~2k miles on that. No stutter, no rattle, no issues.
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Old 06-18-2017, 09:52 PM   #4
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Shouldn't bad at all to drive, especially once broken in
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Old 06-19-2017, 01:22 AM   #5
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Break it in and it will only get better. Love mine and about to move to a triple.
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Old 06-19-2017, 05:39 PM   #6
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Break it in and it will only get better. Love mine and about to move to a triple.
Worth putting in a triple first....if less than 800whp? Any downfalls to a triple?
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Old 06-19-2017, 05:41 PM   #7
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Cost. For less than 800rwhp double is more than enough.
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Old 06-19-2017, 11:36 PM   #8
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Worth putting in a triple first....if less than 800whp? Any downfalls to a triple?
For less than 800 no if you truly will stay at that power level. If not sure just do the triple from the beginning.
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Old 06-20-2017, 02:17 AM   #9
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Originally Posted by EnviedC6 View Post
So I just recently got a Mantic 9000 installed and have a couple questions. First off, this thing is so much nicer than stock, shifting through gears. The problem I am having is getting used to starting off in stop and go traffic. If I try to slip it, it really grabs and shutters the drivetrain. Are you not supposed to slip these clutches, and just use it as an on/off type deal?
Mine did the exact same thing when new. Thought I was going to hurt something when the drive train shuttered. I just gave it more gas (rev to 2500 or 3k rpm) and it avoided the shutter. I now have 5-10k miles on the clutch and a bunch on track days and it very rarely wants to shutter in 1st. It's pretty much gone now.
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Old 06-20-2017, 05:09 AM   #10
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Mine did the exact same thing when new. Thought I was going to hurt something when the drive train shuttered. I just gave it more gas (rev to 2500 or 3k rpm) and it avoided the shutter. I now have 5-10k miles on the clutch and a bunch on track days and it very rarely wants to shutter in 1st. It's pretty much gone now.
What type of plates did you get, organic or cerametallic?
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Old 06-20-2017, 06:55 AM   #11
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I assume you didn't get organic linings so expect it to be a little sensitive on engagement. Not sure what the fascination is with these multi disc ceramic clutches and lightweight flywheels on mostly street cars under 800hp. It's a no brainer at higher power levels or for mostly track cars but there's a big trade off on daily driveability along with the fact that it's hard on the launch if you do take your car to the track on those few occasions.

Take a cammed, double or triple cerametallic mantic and chug it around at 1500 in 1st while looking for a parking spot at Walmart or your local cruise night....not fun.
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Old 06-20-2017, 12:41 PM   #12
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I'm considering an organic twin or triple, that's why I asked.

I completely agree with you regarding NOT giving up drivability with a ceramic clutch
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Old 06-20-2017, 01:48 PM   #13
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The mantic cerametalic drive great. I would not consider it giving up anything.
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Old 06-20-2017, 04:46 PM   #14
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What type of plates did you get, organic or cerametallic?
cerametallic. It basically feels like stock on the street i have no complaints and it is rated for much more torque than I'm putting down. I was worried about that when researching but it is very street-friendly. It chatters a little at idle in neutral but got much quieter once broken in. I guess that's with any twin disc.

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Old 06-20-2017, 04:49 PM   #15
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I assume you didn't get organic linings so expect it to be a little sensitive on engagement. Not sure what the fascination is with these multi disc ceramic clutches and lightweight flywheels on mostly street cars under 800hp. It's a no brainer at higher power levels or for mostly track cars but there's a big trade off on daily driveability along with the fact that it's hard on the launch if you do take your car to the track on those few occasions.

Take a cammed, double or triple cerametallic mantic and chug it around at 1500 in 1st while looking for a parking spot at Walmart or your local cruise night....not fun.
None of those issues and the Mantics come with a steel flywheel
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Old 06-20-2017, 05:13 PM   #16
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I can chug mine at 800rpm all day long, zero issue. Drives like stock.

Chugging around is more of a cam issue, not a clutch issue. Clutch is fine for that.
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Old 06-20-2017, 05:43 PM   #17
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Street driveability is great with my cerametallic Mantic Twin.
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Old 06-21-2017, 09:34 AM   #18
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I must have drove one with a bad install then... Basically the same car as mine but only headers and other small mods. Was pretty bucky in first at low RPMs and needed 2000 RPM to smoothly leave from a standing start. Thought it was me but the guy drove it the same way and said you just get used to it.
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Old 06-21-2017, 09:59 AM   #19
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One thing I notice with my ACT is if I don't drive it hard taking off from lights frequently, the clutch gets some buildup on the plates and it's much worse.

I wonder if that's the difference your noticing with the cerametallic you drove.
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Old 06-21-2017, 10:58 AM   #20
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After reviewing my order form ECS, it looks like I got the M921202. Apparently this is a sprung cerametallic clutch. It has gotten better after driving on it for about a week. The engagement is so much better than stock, I can put up with a touchy start in first gear.
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