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Old 10-08-2007, 07:48 PM
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i'm thinking about putting a new clutch in my 98 ls1 z... anybody got any suggestions on what to put in?? i was thinking an LS7 or a SPEC stage 2 but i'm not sure which one or if those are a good choice..
Old 10-08-2007, 08:01 PM
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i just bought from SDPC a ls7 clutch kit, new slave, roller pilot bearing, and a going to do drill mod, will be installing tomorrow night, all i have heard about the ls7 is good things, hold horsepower up to 500 horse, ill let you know how i like it
Old 10-08-2007, 08:17 PM
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well both are good but the ls7 clutch does not like launching look on the some of the c6 zo6 boards, and the flywheel is heavier then the stock ls1 but other than that i have heard nothing but good about it.
Old 10-08-2007, 08:43 PM
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I have the LS7 clutch and I am happy with it...but the set up is heavier than the stocker and the added weight is noticeable. The motor does not rev as quickly with the LS7 set up in there. If you are planning mods and want a good clutch that is cheap..it is a good choice.
Old 10-08-2007, 08:46 PM
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I had the ls7 clutch in my 98 z28 and it was a great clutch, just heavy like everyone else said. However, I took my buddies 2002 SS with the LS7 clutch and aluminum ls2 flywheel for a spin and it responded much better so I would recommend the ls7 clutch but with the aluminum flywheel.
Old 10-08-2007, 08:51 PM
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The LS7 clutch is a good option. It handles similar to the stocker, but capable of handling more power. I do agree, the heavier setup does suck, but it is the only downside I've had with this clutch. I can't compare it to the SPEC though, as this is the first aftermarket clutch I've run, but I do recommend it, especially if you are running this car as your daily driver.
Old 10-08-2007, 10:04 PM
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Happy with my LS7 fellow Delawarian. The LS2 flywheel is a little heavier, but the drivability of the LS7 clutch more than makes up for it. Just make sure you get a new slave for sure.
Old 10-08-2007, 10:04 PM
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very nice clutch setup. Just put one in a 2000 Super Sport. I cannot really tell much difference in the heavier setup. However, I did put long tubes on the same time. Worst case, spend some money and put a lighter crank pulley on.

EDIT: We have about 500 miles on the clutch, I did the hydraulics as well the same time. I highly reccommend this setup
Old 10-08-2007, 10:55 PM
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Originally Posted by 98Z28MASS
I had the ls7 clutch in my 98 z28 and it was a great clutch, just heavy like everyone else said. However, I took my buddies 2002 SS with the LS7 clutch and aluminum ls2 flywheel for a spin and it responded much better so I would recommend the ls7 clutch but with the aluminum flywheel.
Who makes an aluminum flywheel?
Old 10-09-2007, 12:08 AM
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Originally Posted by RATCHET
Who makes an aluminum flywheel?
fedenza i think i spelled it wrong but yea check on ebay and u can get a ls2 aluminum 4 lik $345 shipped i say thats pretty good considering the other prices
Old 10-09-2007, 01:55 AM
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ls7 all the way... its what ill be using and most of the clutches i replace are stages




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