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How is your Spec Clutch working for you?

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Old 09-14-2011, 05:10 PM
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Question How is your Spec Clutch working for you?

My stock clutch has seen better days, and there isn't much juice left to squeeze from this lemon.
Was just wondering how your Spec clutchs are holding up, as i'm probably soon going to order a stage 1.
Old 09-14-2011, 06:05 PM
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In my 02 SS I got the spec 3+ been in there for over 20,000 miles without any issue. It is a little stiff but I love it and plan to buy another.
Old 09-14-2011, 06:28 PM
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I had a spec 2+ in my car when I bought it, in the first month i somehow managed to put a ton of hairline cracks in the pressure plate on a 3 to 4 upshift and broke the springs. Alot of people love spec, I however haven't had good luck with them.
Old 09-14-2011, 06:51 PM
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Yea, i'm only going to go with a spec 1 right now as i dont have any motor mods and im working with a low budget.
Old 09-14-2011, 07:11 PM
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Spec II w/ 20k+ and still kicking strong. It held up fine to the nitrous making 515hp/626tq at the wheels.
Old 09-14-2011, 10:52 PM
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Spec 3 here with 30k and still goin. I'll also add that it's had well over a hundred passes on it as well.
Old 09-15-2011, 01:47 AM
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Awesome! Thanks guys, im sold! The second i get the chance im ordering me one!
Old 09-15-2011, 02:22 AM
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spec 2+ with lightweight pressure plate option here.....i upgraded to an adjustable tick clutch master cylinder, used the supplied slave spacer and spec throw out bearing.......it's been a good one, only about 13,000 miles but it's still like new.....i may try one of their twins next
Old 09-15-2011, 04:41 AM
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I've had real good luck out of a RAM powergrip HD clutches. In my fox making over 600 ftlbs of torque at the wheels on a mustang dyno.
Old 09-15-2011, 06:52 AM
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I blew apart a ram hd with 410 rwhp and itd rattle teeth out.

My car heads/cam made 470+ with a spec 2 and it was great. When I built the 408 I put a new friction pad on the flywheel and bought a 3. Love it. No chatter and great feel. Just do yourself a favor and measure. The 2 required shimming, the 3 didnt.
Old 09-15-2011, 09:25 AM
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Hey Adam, welcome to LS1Tech. I'm glad you are here and I appreciate your considering one of our kits. Please feel free to contact me with any questions you may have and I will be happy to help you. Thanks!
Old 09-15-2011, 11:09 AM
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Had a competiiton clutch don't know what stage, blew it apart, input shaft splines shattered (supposedly they have an upgraded clutch hub not going to find out), using a spec 3+ have had no problems although I liked how the CC felt better.
Old 09-28-2011, 10:57 AM
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spec 3+ only 14,000 miles and slipping at at power band range, 600 rwhp and 550 tq
Old 10-10-2011, 05:25 PM
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Originally Posted by Jasons50
I've had real good luck out of a RAM powergrip HD clutches. In my fox making over 600 ftlbs of torque at the wheels on a mustang dyno.
strange. I have the same clutch and is slipping with 540 rwhp, rwtq. bout 1500 easy miles on it too.
Old 10-11-2011, 09:28 AM
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Morelli, Stage 3+ is rated to handle more than you are making so it may be worth taking the trans down to examine the parts and determine the issue. You can send pics to me of the parts for assessment if you like.
Old 10-11-2011, 10:07 AM
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My Spec 4+ (solid hub/disk, steel disk)is holding up pretty damn good. Car make 700+ to the tire and Ive made numerous passes at the track launching at 6k. Couldnt be happier with a single disk that holds up
Old 10-23-2011, 07:13 AM
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I've been running a Ram Powergrip HD for about 15,000 miles. It has been pretty good to me. I don't take it to the track but it still gets its use. I am putting down right around 420whp and 405 rwtq. I keep on beating it and it asks for more. I will be replacing it once I get back from Afghanistan just for good measure because I will be increasing the power with more go fast goodies.
Old 10-24-2011, 03:02 PM
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I have to admit my Stage II+ with billet steel flywheel chatters like crazy but I'm only making 329 rwhp/345 ftlbs. at the rear tires. I purchased it with plans to add more power but the economy has put a hold on that. In hindsight, I should have went with something a little less aggressive...she grabs like crazy.
Old 10-24-2011, 03:42 PM
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The 2+ will not normally be that prone to chatter. That being said, how many miles are on the clutch now? Where does engagement occur? Keep in mind that your technique for releasing the pedal can lead to more chatter than would be typical too...quick and smooth are the ideal way to release the pedal. If you drag your foot or slip it excessively then it will always be more apt to chatter.
Old 10-24-2011, 04:20 PM
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My roommate has a Spec 3+ in a Twin Turbo 03 Cobra.. Car made 896whp.. And it holds up just fine with a few thousand miles on it.


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