Quote:
Whren I launch my car I let out the clutch at an idle....then mash the pedal. .....requires tuning.
And this pops springs out....? 10,000 RPM blown triple quad? 
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| Clutch reality - does size really matter? https://www.slantsix.org/forum/viewtopic.php?t=31404 |
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| Author: | RossKinder [ Mon Sep 29, 2008 5:28 pm ] |
| Post subject: | Clutch reality - does size really matter? |
Just how effective or ineffective is a 9.25 inch clutch behind a 225 compared to a 10 inch? With these over sized tires I definitely get some slip at times. On the other hand, chances I will drive competitively range from negative one to negative zillions and I will be reducing my tire size. So I'm just trying to find out how marginal the 9.25 clutch really is. I have a good local clutch shop. Should I think about having heavier springs put in? Thanks |
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| Author: | Dart270 [ Tue Sep 30, 2008 8:55 am ] |
| Post subject: | |
A good 9.25" unit with heavy springs should have some holding power. specclutch.com has a kit for the Slant now that will hold up to at least 300 ft-lbs, and more if you pay for an upgrade. Lou |
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| Author: | sandy in BC [ Tue Sep 30, 2008 10:12 am ] |
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I have a 9.25 clutch in the Valaint... It has a McLeod disc with stock pressure plate. Im rough on things ...and was popping springs out of the stock disc.....but was not encountering slippage. I think proper gear selection is the key to lower mass clutch units. (Dont try 200hp with a 3spd and 2.45 gears and big tires.) Whren I launch my car I let out the clutch at an idle....then mash the pedal. .....requires tuning. |
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| Author: | RossKinder [ Tue Sep 30, 2008 11:52 am ] |
| Post subject: | |
Quote: Whren I launch my car I let out the clutch at an idle....then mash the pedal. .....requires tuning.
And this pops springs out....? 10,000 RPM blown triple quad?
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| Author: | sandy in BC [ Tue Sep 30, 2008 12:26 pm ] |
| Post subject: | |
no....the springs in the stock disc used to break when I did burnouts by dumping the clutch at high RPM. It now makes enough power to do smokeshows by just flooring it in 1st gear. (5 speed , 175+hp , 2700lb car) I can now break my clutch or trans or motor mounts by doing high rpm burnouts......so I avoid that. |
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