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LS7 Clutch strength?

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Old 03-29-2012, 01:43 PM   #1
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Default LS7 Clutch strength?

What can an LS7 clutch really take? I know its a factory style clutch and thats why I ask. I know it will handle my power level, but I just put in a 9 inch and I want to go get a nice time with some sticky tires. Anyone have experience or opinion on this thing?
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Old 03-29-2012, 01:52 PM   #2
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I think if you are going to be drag racing your car and possibly hot lapping it, a monster stage 2 would be better for your application. If you are just using it as a DD/cruiser/street race and only drag racing it once and a while, the LS7 should work just fine with your current set up. I just ordered me up a stage 2 monster because of the sale....which ends in a cpl days.
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Old 03-29-2012, 01:56 PM   #3
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Oh trust me I know I need one. I really want a 6 puck something. Im just thinking for the time being I wonder what I can do with what I have. I guess its a stupid thread I just wondered how much of a dump I can give this thing.
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Old 03-29-2012, 02:38 PM   #4
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Weren't the LS7 clutches breaking apart on drag cars?
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Old 03-29-2012, 02:45 PM   #5
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I would love to know the answer to that!
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Old 03-29-2012, 02:47 PM   #6
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Depends on power, I have run mine on my combo for about 80k miles but it & the stock master are finally toast. So time for a new set-up.
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Old 03-29-2012, 03:23 PM   #7
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I guess I will just try it. I wanna run the car
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413 RWHP/372 RWTQ
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Old 03-29-2012, 06:52 PM   #8
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Quote:
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I guess I will just try it. I wanna run the car
With your power level and that 4.11 gear highly doubt a perfectly functioning ls7 clutch would not have ANY problems launching from any rpm on any tire.
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Old 03-29-2012, 07:15 PM   #9
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That clutch won't handle repeated hard launch in a heavy F-body like it will in the lighter Corvette. I would go with something abit stronger. It'll probably hold for a short period of time but if your car can consistantly hook, that clutch isn't going to last long and will end up slipping on you. You should look into what McLeod has to offer. I've run many of clutches in my SS (LS7 being one of them) and I've had the best luck with McLeod clutches, namely the RXT.
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Old 03-29-2012, 10:16 PM   #10
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my buddy had a cam only street car went 11.19 on a ls7 with sticky tires pulling the wheels maybe 2in. but it didn't take it long to start slipping
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Old 03-29-2012, 11:31 PM   #11
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Quote:
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Weren't the LS7 clutches breaking apart on drag cars?
I never heard of that. I put some track passes on my LS7 last year & it held up but I am going with something a lil stronger this year. IMO its not made for 5k+ rpm clutch dump launches the style of clutch that it is.
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Old 03-30-2012, 12:47 AM   #12
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Yeah I know being an OEM clutch its not for drag launches. I dont plan to pull any tire or dead hook the thing. Just some very heavy launches. Monster, spec, or some 6 puck, shoot maybe a twin disc will be going in it before I expect to do any of that. The main point here is just to be positive I wont kill my daily driver by putting on some slicks
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413 RWHP/372 RWTQ
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12.34 @ 115 w/ 1.79 60'
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Old 03-30-2012, 07:35 AM   #13
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my bud did a few rev limiter launches on drag radials it didn't like it but a little softer launch and not dead hooking it will hold up good.
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Old 03-30-2012, 07:41 AM   #14
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who's having the sale on monsters
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Old 03-30-2012, 09:20 AM   #15
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Quote:
Originally Posted by ssdeuce74 View Post
who's having the sale on monsters
Monster clutches on super sale!!!!
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Old 03-30-2012, 10:59 AM   #16
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I concur. As the others stated, the LS7 obviously isn't designed for 5K launches on slicks -- and it sounds like you already know you'll need to upgrade to something stronger to beat on it hard at the track regularly. I've been pleasantly surprised with the holding power of the clutch thus far at roughly 600 rwhp on spray, however I can attest that it will bark at bit on really hard launches.

That being said, if you want to get a few runs in then head out there and leave with a modestly aggressive launch. Don't have to dump it from 5K or pull tires to get a few good runs in and have some fun at the track.
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