Exedy Twin vs Textralia for road racing
07-23-2005, 10:34 PM
#1
Exedy Twin vs Textralia for road racing I have read up on both of these clutches, and the question I have is how does the Textralia do with a very high revving engine for long periods of time? It seems like it would be quite heavy with the stock GM flywheel vs the much lighter and smaller diameter Exedy Twin.
If the horsepower levels were down around stock, I wouldn't worry as much, but I have 540rwhp and 495rwtq. I won't be drag racing, but I will be driving on the street and around the road racing tracks. In a FRC C5, so it's a light car. I would like to go with the Exedy due to its lightweight because the engine sees 7200-7400 rpm on the track. I think the Textralia would be great for the street and would hold the power, but is it too heavy for the track?
Also, I saw that there is an aluminum and billet steel version of the OCZ700 in the works. Maybe I should wait on that?
Thanks!
If the horsepower levels were down around stock, I wouldn't worry as much, but I have 540rwhp and 495rwtq. I won't be drag racing, but I will be driving on the street and around the road racing tracks. In a FRC C5, so it's a light car. I would like to go with the Exedy due to its lightweight because the engine sees 7200-7400 rpm on the track. I think the Textralia would be great for the street and would hold the power, but is it too heavy for the track?
Also, I saw that there is an aluminum and billet steel version of the OCZ700 in the works. Maybe I should wait on that?
Thanks!
07-24-2005, 01:13 AM
#2
Check out Tilton they have a C5 clutch flywheel and throw out bearing package..Im planning on using it on my WS6 just with a different TB for my type of trans...Soon as uncle sam bucks up with my tax return I might use it to buy a 7.25 twin carbon/carbon clutch bad part is its 2200 bucks but I was assured by an engineer at Tilton it would work well in everything from street use to full tilt racing not to mention the clutch and flywheel prob weighs in at 30 pounds if that
07-24-2005, 06:54 AM
#3
Originally Posted by JakeFusion
I have read up on both of these clutches, and the question I have is how does the Textralia do with a very high revving engine for long periods of time? It seems like it would be quite heavy with the stock GM flywheel vs the much lighter and smaller diameter Exedy Twin.
If the horsepower levels were down around stock, I wouldn't worry as much, but I have 540rwhp and 495rwtq. I won't be drag racing, but I will be driving on the street and around the road racing tracks. In a FRC C5, so it's a light car. I would like to go with the Exedy due to its lightweight because the engine sees 7200-7400 rpm on the track. I think the Textralia would be great for the street and would hold the power, but is it too heavy for the track?
Also, I saw that there is an aluminum and billet steel version of the OCZ700 in the works. Maybe I should wait on that?
Thanks!
If the horsepower levels were down around stock, I wouldn't worry as much, but I have 540rwhp and 495rwtq. I won't be drag racing, but I will be driving on the street and around the road racing tracks. In a FRC C5, so it's a light car. I would like to go with the Exedy due to its lightweight because the engine sees 7200-7400 rpm on the track. I think the Textralia would be great for the street and would hold the power, but is it too heavy for the track?
Also, I saw that there is an aluminum and billet steel version of the OCZ700 in the works. Maybe I should wait on that?
Thanks!
07-24-2005, 11:16 AM
#4
TECH Senior Member
iTrader: (7)
Give Quarter Master a call.
http://www.quartermasterusa.com
They are working on a single disk 8.5" clutch that will handle the power and be half the weight of a stock clutch.
Andrew
http://www.quartermasterusa.com
They are working on a single disk 8.5" clutch that will handle the power and be half the weight of a stock clutch.
Andrew
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07-25-2005, 11:58 PM
#8
Thanks, Vince. It comes out to 402, but is more eager to spin than the 4" strokers... The cam helps, too. It's a custom spec'd Comp Renegade 266/270 .621" 106+1 hyd cam. Likes compression, and lot's of it. Running 12.7:1 without issue on pump gas. Once I find some sort of clutch, maybe I can work out the Speed Density tune.
Softer type lobes than the XE-R variety, so the springs should last a little while. Hopefully long enough to do some lapping at 6000+rpm.
Softer type lobes than the XE-R variety, so the springs should last a little while. Hopefully long enough to do some lapping at 6000+rpm.
Last edited by JakeFusion; 07-26-2005 at 12:18 AM.
07-26-2005, 12:29 AM
#9
Originally Posted by CTSmechanic
not to mention the clutch and flywheel prob weighs in at 30 pounds if that
07-26-2005, 03:16 AM
#10
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I use a spec stage IV with AL flywheel. One of the things that sold me on it was the idea of less moving parts with the clutch disc being un-sprung. Ive heard of too many failures with the sprung disc in open track. When this clutch goes I plan on going with the Mcleoud oval track clutch. < 10lbs for the whole assembly, and it works with all else being stock, with a choice of friction materials. I think its around 1200 bux.
07-26-2005, 10:35 AM
#11
Originally Posted by JakeFusion
Thanks, Vince. It comes out to 402, but is more eager to spin than the 4" strokers... The cam helps, too. It's a custom spec'd Comp Renegade 266/270 .621" 106+1 hyd cam. Likes compression, and lot's of it. Running 12.7:1 without issue on pump gas. Once I find some sort of clutch, maybe I can work out the Speed Density tune.
Softer type lobes than the XE-R variety, so the springs should last a little while. Hopefully long enough to do some lapping at 6000+rpm.
Softer type lobes than the XE-R variety, so the springs should last a little while. Hopefully long enough to do some lapping at 6000+rpm.
07-26-2005, 02:48 PM
#12
Originally Posted by JakeFusion
I think it's probably much lighter than that. The Supra Triple Disk Tilton is 9lbs total. But it's also $4500, so maybe you're paying for the uber lightweightness?
07-27-2005, 11:21 PM
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Ive seen a 5 in person.....it squeals and makes all kinds of noise like the words comming to and end. But it does hold. My stage 4/al flywheel squeals a little when its cold, but by the time i get to the end of my street its quiet.
