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Old 06-23-2013, 10:54 PM   #15
Mkn95u0
 
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Quote:
Originally Posted by Supercharged SS View Post
I would start with the 3.5.

What type of dyno did they use? That number seems low that's why I thought no headers and cold air kit.
I thought I was the only one who thought that, a lot of tune shops said that seemed about right when I talked to a few about it... I'm not very sure what kind of dyno it was, here's the sheet though...

Name:  Dyno.jpg
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 10:58 PM   #16
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The supercharger is rated at 554hp to the crank, 20% loss to the wheels... bone stock it was at 318hp, which is 20.5% loss from the crank 400hp)
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 11:00 PM   #17
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Quote:
Originally Posted by Mkn95u0 View Post
I thought I was the only one who thought that, a lot of tune shops said that seemed about right when I talked to a few about it... I'm not very sure what kind of dyno it was, here's the sheet though...

Attachment 526853
Something isn't right. You were at 369 with the bolt on which is dead nuts on an L99 car.

Then with the blower you gained roughly 70 rwhp. That's almost impossible. Even at 6 psi you should gain between 100 -120 rwhp. Typically it's 20 rwhp for every lb of boost.

Before you change anything I'd investigate this. Talk to your guy. Talk to some other tuners because you are way off.

In this case the type of dyno is irrelevant. You car was done on the sane dyno and produced average bolt on numbers. I was thinking maybe they used a mustang dyno which is usually 10-20% lower than most other dyno's. which would explain the low rwhp blower numbers.
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Old 06-23-2013, 11:02 PM   #18
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318rwhp bone stock, I entered with 369rwhp with LTH, cai, flowmasters, no cats no tune... came out with 443 sc'd, tuned and cai kinda became obsolete since they hacked it up... AEM custom built a new one for us shortly after, but didn't get it re tuned yet.
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 11:05 PM   #19
Supercharged SS
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Originally Posted by Mkn95u0 View Post
The supercharger is rated at 554hp to the crank, 20% loss to the wheels... bone stock it was at 318hp, which is 20.5% loss from the crank 400hp)
As you increase the power that drivetrain loss percentage drops. It it sucks up 82 rwhp stock it's doesnt use 88 rwhp with the blower. It's still only uses the 82 rwhp. So the drivetrain loss at 443 is 18%.
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Old 06-23-2013, 11:06 PM   #20
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Quote:
Originally Posted by Mkn95u0 View Post
318rwhp bone stock, I entered with 369rwhp with LTH, cai, flowmasters, no cats no tune... came out with 443 sc'd, tuned and cai kinda became obsolete since they hacked it up... AEM custom built a new one for us shortly after, but didn't get it re tuned yet.
Get the new cai and have then retune it. Then start from that point. Gaining 70 rwhp from a blower is ridiculous.
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Old 06-23-2013, 11:08 PM   #21
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Originally Posted by Supercharged SS View Post
Something isn't right. You were at 369 with the bolt on which is dead nuts on an L99 car.

Then with the blower you gained roughly 70 rwhp. That's almost impossible. Even at 6 psi you should gain between 100 -120 rwhp. Typically it's 20 rwhp for every lb of boost.

Before you change anything I'd investigate this. Talk to your guy. Talk to some other tuners because you are way off.

In this case the type of dyno is irrelevant. You car was done on the sane dyno and produced average bolt on numbers. I was thinking maybe they used a mustang dyno which is usually 10-20% lower than most other dyno's. which would explain the low rwhp blower numbers.
Good to know all of this cuz I wasn't very impressed with the SC numbers to this day... i had it done in Arizona, over the weekend, and i don't live close to there, was out there on work so i had it shipped there... i don't have a tune guy or any shops down here that i really go to on a reg basis, still trying to find one, have 3 referrals to shops, but talking to them they're all kinds biased against edelbrocks sc'r so m still searching...

The shop i took it too was very familiar with them and said nothing but good things and how many they've installed... they had 3 Camaros in there with them when i got there, so trusted their judgment and work...
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 11:14 PM   #22
Supercharged SS
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Originally Posted by Mkn95u0 View Post
Good to know all of this cuz I wasn't very impressed with the SC numbers to this day... i had it done in Arizona, over the weekend, and i don't live close to there, was out there on work so i had it shipped there... i don't have a tune guy or any shops down here that i really go to on a reg basis, still trying to find one, have 3 referrals to shops, but talking to them they're all kinds biased against edelbrocks sc'r so m still searching...

The shop i took it too was very familiar with them and said nothing but good things and how many they've installed... they had 3 Camaros in there with them when i got there, so trusted their judgment and work...

The blower is gd, maybe the tune isn't. But something isn't right. That number just seems low to me.
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Old 06-23-2013, 11:24 PM   #23
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Yeah, i have a number to a shop in Ontario here I'm calling tomorrow that was given to me by a friend, so hopefully he will think like this also and will give me a good estimate.
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 11:29 PM   #24
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Originally Posted by Mkn95u0 View Post
Yeah, i have a number to a shop in Ontario here I'm calling tomorrow that was given to me by a friend, so hopefully he will think like this also and will give me a good estimate.
You should try Cunningham Motorsports in Murrieta. I don't know him personally or his work but I've read nothing but great things about Ryne. He seems to know his stuff.
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Old 06-23-2013, 11:34 PM   #25
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You should try Cunningham Motorsports in Murrieta. I don't know him personally or his work but I've read nothing but great things about Ryne. He seems to know his stuff.

I tried to get ahold of this shop actually, AEM referred me to them but they never seem to answer via email nor phone... this other place is called CBM motorsports... basically specialize in GM cars and LS motors... i will try Cunningham again though, more research the better, if i can get ahold of them this time around.
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-23-2013, 11:37 PM   #26
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you def need to datalog and have a proper dyno tune done!
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Old 06-24-2013, 12:04 AM   #27
Mkn95u0
 
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I just emailed CBM motorsports so i have a reminder to give them a call... same with Cunningham... just gotta wait for the morning to come now.
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Robert
12.012 @ 115.75mph DA: 2371 | 486rwhp/467rwtq (as of 11/8/15)
11.524 @ 122.64mph DA: 2678 | 532rwhp / 526rwtq (as of 5/14/16)
7.376 @ 95.96mph in the 1/8th, 1.674 60ft
Youtube Racing Channel: http://www.youtube.com/c/RobertMitchellRCM
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Old 06-24-2013, 12:34 AM   #28
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Your numbers do seem real low I have the Edelbrock SC. I think you need to get the tune check. And also your going to need to the JRE fuel line mod for it if your want to get more power out of it. Here is the link for the fuel mod http://www.jreperformanceparts.com/j...el-system.html.
If you looking for the 3.5 pulley I have one with the belt if your look for the pulley you can P.M. me. And also you can call Haddad Motorsports (310) 412-8032 ask for Mike
he can help with the tune.
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