Mamo rps bc2 clutch gains 10/15 - CorvetteForum - Chevrolet Corvette Forum Discussion

Notices
Performance Results Dyno sheets, Timeslips, Track Records, Who has the Fastest C5 Corvette?

Mamo rps bc2 clutch gains 10/15

Reply

 
 
 
Old 09-13-2018, 11:58 PM
  #1  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default Mamo rps bc2 clutch gains 10/15

Switched from 50# McLeod Rxt to Tony Mamo modified RPS BC2 31# clutch and made a decent gain plus the lighter clutch will help it accelerate quicker

Gained 10 hp and 15 tq peak, graph is overlay from this dyno and last dyno in January this year, itís std so itís going to read higher than sae but itís always dynoed on std so shouldnít affect gains, also there was a problem with graph cutting so you canít see but pulled it to and set rev limiter to 7800 up from 7600, going to try shifting at 77 instead of 75 since the msd intake seems to never quit pulling!

Hopefully will get it to track soon and see how it does

493lszosix is offline  
Reply With Quote
Old 09-14-2018, 05:39 PM
  #2  
96darkhorse
CF Senior Member
 
96darkhorse's Avatar
 
Member Since: Feb 2017
Location: Los Angeles California
Posts: 391
Thanked 17 Times in 14 Posts
Default

Nice gains! Looking for a similar result. Going from a ls7 clutch (55-60#) to 19# spec twin disk.
96darkhorse is offline  
Reply With Quote
Old 09-14-2018, 07:18 PM
  #3  
itsslow98
CF Senior Member
 
Member Since: Jan 2012
Location: Bel Air Maryland
Posts: 149
Thanks: 0
Thanked 15 Times in 13 Posts
Default

Solid gain, just a hard pill to swallow price wise. I see those are STD numbers. What were they both SAE so we can truly see the difference.

Last edited by itsslow98; 09-14-2018 at 07:19 PM.
itsslow98 is offline  
Reply With Quote
Old 09-14-2018, 08:35 PM
  #4  
Tony Mamo
Supporting Vendor
 
Member Since: Sep 2004
Posts: 704
Thanked 446 Times in 195 Posts
Default

Originally Posted by itsslow98 View Post
Solid gain, just a hard pill to swallow price wise. I see those are STD numbers. What were they both SAE so we can truly see the difference.
Excellent before and after documentation!

The gains in power and torque.....specifically addressing the area under the curve gains and the big increase in average power and torque, justify the price of admission alone.

The fact your also getting one of the best shifting clutches on the market that doesnt chatter, reduces shift effort, and offers a handful of other small perks is just bonus!

Also, if you take a closer look there are close to 20 ft/lbs and 20 HP at various points in the curve. The gains in peak numbers dont quite tell the whole story.

Seriously....figure out what you would pay to bump power output like that and your almost paying nothing for the clutch in some respects....I always tell folks they have to view the cost of this clutch as not only the price of a fantastic clutch but also a significant performance upgrade at the same time.

That's what really seals the deal on the true value of the purchase

Btw....the gains SAE are going to be exactly the same.....the comparison would look exactly the same. The SAE numbers would simply be 4% lower across the board (both baseline and after install). If he base lined with the SAE correction and then compared the final numbers with the STD setting that would be bogus and skew the net results. Not the case here.....both baseline and final results were using the same correction factor making the NET gains completely legit.

Hope this helps

OP.....thanks for sharing and taking the time to post



-Tony
__________________


Please take the time to also visit my website at www.MamoMotorsports.com

Last edited by Tony Mamo; 09-15-2018 at 12:17 AM.
Tony Mamo is offline  
Reply With Quote
Old 09-15-2018, 02:10 AM
  #5  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

Originally Posted by 96darkhorse View Post
Nice gains! Looking for a similar result. Going from a ls7 clutch (55-60#) to 19# spec twin disk.
Youíll definitely notice the difference removing all that weight from your clutch and your dropping a lot more than me, I saw your build thread and am interested in the results since itís similar to mine, I have the TEA TFS 215 heads, 59cc, g5x3 cam but on 93 octane
493lszosix is offline  
Reply With Quote
Old 09-15-2018, 03:16 PM
  #6  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

Originally Posted by Tony Mamo View Post
Excellent before and after documentation!

The gains in power and torque.....specifically addressing the area under the curve gains and the big increase in average power and torque, justify the price of admission alone.

The fact your also getting one of the best shifting clutches on the market that doesnt chatter, reduces shift effort, and offers a handful of other small perks is just bonus!

Also, if you take a closer look there are close to 20 ft/lbs and 20 HP at various points in the curve. The gains in peak numbers dont quite tell the whole story.

Seriously....figure out what you would pay to bump power output like that and your almost paying nothing for the clutch in some respects....I always tell folks they have to view the cost of this clutch as not only the price of a fantastic clutch but also a significant performance upgrade at the same time.

That's what really seals the deal on the true value of the purchase

Btw....the gains SAE are going to be exactly the same.....the comparison would look exactly the same. The SAE numbers would simply be 4% lower across the board (both baseline and after install). If he base lined with the SAE correction and then compared the final numbers with the STD setting that would be bogus and skew the net results. Not the case here.....both baseline and final results were using the same correction factor making the NET gains completely legit.

Hope this helps

OP.....thanks for sharing and taking the time to post



-Tony
Thanks for the great clutch Tony!

Regardless of the dyno readings, sae, std, or whatever, the car is faster with this clutch, feels like it has a different gear in it, put the break in miles on it, tuned it and took to track last night (1/8 mile) with no real seat time on it, only got a couple passes in and Iíll have to get a few runs to figure it out but best mph before clutch was 103.9 which Iíve ran several times, 2nd pass I ran 104.7 so thatís a pretty good pick up in mph in 1/8 mile, goal is to run 6.60ís at 105mph stock bottom end ls6 n/a, Iíve almost got the 105 and need about a tenth and a half to run 6.60ís and I think this clutch will help me get there!

The lightweight clutches are something I never really thought or new about till I saw some of Tonyís ls7 builds but highly recommend them to anyone wanting to get the max out of their setup especially an n/a setup like mine
493lszosix is offline  
Reply With Quote
Old 09-16-2018, 12:02 PM
  #7  
RockyMtC5
CF Senior Member
 
RockyMtC5's Avatar
 
Member Since: Jul 2014
Location: Allenspark Colorado
Posts: 329
Thanked 14 Times in 12 Posts
Default

Wow, thatís awesome! Iíve been clutch shopping for a while and Iíve just recently decided to go with this one.... my stock clutch is at its limit and gets soft with multiple high rpm shifts and Iím planning on adding more power so this winter one of these RPS clutches with aluminum flywheel is going in..... hope to have similar gains as you! Thanks for posting, I had no idea a good clutch upgrade would give you any gains
RockyMtC5 is offline  
Reply With Quote
Old 09-16-2018, 06:23 PM
  #8  
NSFW
CF Senior Member
 
NSFW's Avatar
 
Member Since: Nov 2017
Posts: 326
Thanked 23 Times in 23 Posts
Default

Originally Posted by RockyMtC5 View Post
I had no idea a good clutch upgrade would give you any gains
On dynos that vary the load, so the pull takes the same amount of time regardless of horsepower, you won't see any gain.

On dynos that work by measuring the amount of time it takes for the car to accelerate the rollers, you will see a gain because power that was being used to accelerate the clutch is now accelerating the rollers. I think that's how Dynojets work. It's definitely how the real world works. It's also why race cars use little tiny multi-disc clutches.
NSFW is offline  
Reply With Quote
Old 09-16-2018, 06:27 PM
  #9  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

Originally Posted by RockyMtC5 View Post
Wow, thatís awesome! Iíve been clutch shopping for a while and Iíve just recently decided to go with this one.... my stock clutch is at its limit and gets soft with multiple high rpm shifts and Iím planning on adding more power so this winter one of these RPS clutches with aluminum flywheel is going in..... hope to have similar gains as you! Thanks for posting, I had no idea a good clutch upgrade would give you any gains
Are you going with the Mamo version? I never knew about the lightweight clutches till I saw someoneís build that seem to have high dyno numbers then saw where they had a 20# clutch thatís when I started to look into it and advantages of a lighter clutch and it really doesnít drive that much different than the rxt, I think youíll like the clutch look forward to some reviews
493lszosix is offline  
Reply With Quote
Old 09-16-2018, 07:35 PM
  #10  
NSFW
CF Senior Member
 
NSFW's Avatar
 
Member Since: Nov 2017
Posts: 326
Thanked 23 Times in 23 Posts
Default

I just had Mamo's version installed in my car (picked it up late Friday). It's low-30s pounds if I remember right. It takes a little more care when starting from a stop, but it's no big deal.
NSFW is offline  
Reply With Quote
Old 09-16-2018, 10:13 PM
  #11  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

Originally Posted by NSFW View Post
I just had Mamo's version installed in my car (picked it up late Friday). It's low-30s pounds if I remember right. It takes a little more care when starting from a stop, but it's no big deal.
Good to see others using this clutch Iíve only seen it mentioned in the c6 section on some of Mamoís ls7 builds
493lszosix is offline  
Reply With Quote
Old 09-16-2018, 10:19 PM
  #12  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

493lszosix is offline  
Reply With Quote
Old Today, 12:57 AM
  #13  
96darkhorse
CF Senior Member
 
96darkhorse's Avatar
 
Member Since: Feb 2017
Location: Los Angeles California
Posts: 391
Thanked 17 Times in 14 Posts
Default

Originally Posted by 493lszosix View Post


Youíll definitely notice the difference removing all that weight from your clutch and your dropping a lot more than me, I saw your build thread and am interested in the results since itís similar to mine, I have the TEA TFS 215 heads, 59cc, g5x3 cam but on 93 octane

thanks bro! Great numbers! Is this on an ls1 ??!
96darkhorse is offline  
Reply With Quote
Old Today, 07:33 AM
  #14  
493lszosix
CF Senior Member
Thread Starter
 
493lszosix's Avatar
 
Member Since: Dec 2015
Location: Knoxville TN
Posts: 267
Thanks: 0
Thanked 22 Times in 22 Posts
Default

Originally Posted by 96darkhorse View Post



thanks bro! Great numbers! Is this on an ls1 ??!
ls6
493lszosix is offline  
Reply With Quote
 
 
 


Thread Tools
Search this Thread
Sponsored Ads
Vendor Directory

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: