11-15-2009, 03:18 AM | #43 | |
High on "The Camaro Life"
Drives: 2010 2SS, IOM, LS3, Vortech, LG cam Join Date: May 2009
Location: Big Sandy, MT & Yuma, AZ
Posts: 1,028
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I have a New Fastlane CAI, that I know makes good horsepower, Let me know if you want to buy it.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who are not."-Thomas Jefferson------Going Strong at 39,250 miles
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11-15-2009, 09:28 AM | #44 | |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,218
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I don't think you lose 28% at your altitude but I am not sure. I also WONDER if the Blower Skews that correction factor since it is artificial ATMOSPHERE. Congradulations on a Beautiful Build. Ted.
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www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com Last edited by JANNETTYRACING; 11-15-2009 at 10:25 AM. |
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11-15-2009, 10:09 AM | #45 |
Drives: 2010 2SS/RS IBM Black Polished Join Date: Feb 2009
Location: Colorado
Posts: 2,108
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I had the chance to take a ride along with Don yesterday....And wholly shit! This is one of the best SC setups I have ever been in...The drivability is great and when jumped on you better hold on to you jock...Wow smooth and so freaking fast. This car is a hair away from needing a rollbar to race but so freaking hot I suggested putting one in for saftey anyway. Stealth...OMG I told Don I cant wait to see the fools in the 70K GT500's cry when he walks away from them and their factory set cars.
Kudos to the boys in the springs that set this up and made it happen. If you need another test car that never goes to sea level tell Don to get in touch with me.....Best I have seen by far. Oh and Don did not point out the autographs on his engine cover...Al Oppenhiemer and John Fitzpatrick. Bet they would love to see this engine now....lmao Larry
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418 Stroker, 621RWHP 648 lbs TORQUE Built by Laramie GM Auto Center Tuned by Nick at Mac Autosport. EForce SC, 2 3/4pulley,LPE dual fuel pump, JRE Twin fuel rail upgrade, posi clutch kit, RX oilcatch can and breather, Callies Compstar crankshaft and rods, Racing bearings, CP -13.8 race pistons, steel rings, Comp Cams X6 blower cam, Springs, HD timing chain and tensioner, Doug Thorley Tri Y LT headers, 89.7lb injectors, RPM rollbar, DSS1400 shafts, Simpson 5 pt harness, BMR Toe rods and trailing arms, led lights, RPM input and output shafts
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11-15-2009, 11:45 AM | #46 |
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Drives: 4 wheels Join Date: Mar 2009
Location: Here
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11-15-2009, 11:47 AM | #47 | |
Account Suspended
Drives: 4 wheels Join Date: Mar 2009
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11-15-2009, 01:58 PM | #48 | |
High on "The Camaro Life"
Drives: 2010 2SS, IOM, LS3, Vortech, LG cam Join Date: May 2009
Location: Big Sandy, MT & Yuma, AZ
Posts: 1,028
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Quote:
where the dyno sits. We are right at the base of Pikes Peak which is over 14,000 ft. This is Colorado, ever been here driving a car, you'll understand. You will be taking your car to the mechanic wondering what happened to all your power.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who are not."-Thomas Jefferson------Going Strong at 39,250 miles
Last edited by mtcwby; 11-15-2009 at 02:16 PM. |
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11-15-2009, 04:03 PM | #49 |
Drives: Supercharged Join Date: Oct 2009
Location: Colorado Springs
Posts: 314
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The 28% loss is legit. We have verified this with several other machines including Superflow and Mustang and they are all the same.
We have seen though the same HP on our 1050 RWHP 2003 Texas mile car. It will make within 1% of the corrected HP it makes up here, when we run it in Texas before the mile runs. A testimate to Dynojets accuracy Our Dynojet has a normal SAE correction of 26 to 28 percent. Mike |
11-15-2009, 04:50 PM | #50 | |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,218
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Quote:
Ted. I found this, and I think the correction factor is less once you throw in Artificial atomosphere i.e. supercharger or turbo. Altitude and Engine Performance Sea Level: Units of Pressure -------------------------------------------------------------------------------- Inches of Mercury = (in. Hg.) Atmospheres = (atm) Kilopascal = (kpa) Millibars = (mb) Pressure equivalents to: 1.0 atm = 29.9 in. Hg. = 760 mm Hg. = 101.3 kPa = 1013.25 mb Atmospheric Pressure = 14.7 psi & 13 cubic feet of air = 1 pound Power Loss due to Altitude Air Density decreases at a rate of 2.9% - 3.0% for each 1000 ft. of elevation above Sea Level. See Standard Atmosphere below for background information. Naturally Aspirated: Atmospheric Pressure 14.5 psi (It's hard to ride at sea level 14.7 psi) Atmospheric Pressure @ 9000 feet = 10.5 psi Pressure Loss = (14.5 - 10.5) = 4.0 (4.0/14.5) = 27.58 % @ 9,000 feet Does a Turbo lose power with altitude? Yes! Atmospheric Pressure = 14.5 psi, Boost = 10 psi, Total Pressure = 24.5 Atmospheric Pressure @ 9000 feet = 10.5 psi + Boost of 10 psi = Total 20.5 psi Approximate Pressure Loss = (24.5 - 20.5) = 4.0 (4.0/24.5) = 16.32 % @ 9,000 feet The power loss due to altitude is much less with the Turbo. The critical difference is that you can flip the switch on the Turbo to 15 lbs boost and get your sea level HP!!
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Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com Last edited by JANNETTYRACING; 11-15-2009 at 05:05 PM. |
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11-15-2009, 05:08 PM | #51 |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,218
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Please understand, I am just discussing this for My own Education you guys did a great job and the results are well AWESOME.
I am only 425 FT above Sea Level so I have no experience at altitude. Respectfully Ted.
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Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com |
11-15-2009, 07:31 PM | #52 |
High on "The Camaro Life"
Drives: 2010 2SS, IOM, LS3, Vortech, LG cam Join Date: May 2009
Location: Big Sandy, MT & Yuma, AZ
Posts: 1,028
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Altitude isn't the only factor that computes into the correction factor.
There's also Barometric pressure, Humidity and Temperature. All I know is that the HP numbers that they get at RMCR have been duplicated (within 1%) on a Dynojet Dyno in Texas when they take their car to the Texas Mile. So it must be very accurate. Ted, If you want to pay for it, find me a dyno around Yuma, AZ and I'll check it again at 120 ft. above sea level. I'm heading there on Tuesday and I'll be there for three weeks.
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"The democracy will cease to exist when you take away from those who are willing to work and give to those who are not."-Thomas Jefferson------Going Strong at 39,250 miles
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11-16-2009, 08:07 AM | #53 | |
Drives: BLUE CAMARO ZL1 1LE M6 Join Date: Jun 2009
Location: ON THE DYNO WATERBURY CT.
Posts: 15,218
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Quote:
I always refer to Math and the Laws of Physics because there is no disputing them. My Research Shows 2.9-3% Per 1000 Ft Elevation for Naturally Asparated and about 1.8% per 1000 FT, for Boosted Applications. This 1.8% may only be for Turbos since they are self compensating via the wastegate, I like to look in to this further and discuss this further regarding Superchargers at altitude. At 6300 FT 1.1827 Correction factor is what the math shows for N/A. I expect your car will make 10.1 PSI Boost at Sea Level with your current Pulley, since Gauges are Calibrated at Sea Level and your starting with about a 2.6 PSI pressure deficit at 6300 ft. I am Curious if the Dyno manifold pressure guage is Calibrated (Zeroed) at Sea Level or Current altitude. Ted.
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www.jannettyracing.com
Celebrating 37 years Performance parts, Installation, Fabrication, Dyno tuning, Remote custom tuning, and alignments. 203-753-7223 Waterbury CT. 06705 email tedj@jannettyracing.com Last edited by JANNETTYRACING; 11-19-2009 at 08:39 AM. |
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11-16-2009, 09:31 AM | #54 |
I've been lost...
Drives: 2010 SW 2SS/RS W/IOM LSA Swap Join Date: Nov 2009
Location: DFW, Texas
Posts: 466
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This is going to sound very stupid but i never knew superchargers used BOVs. Do they sound like a turbo BOV going off?
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11-16-2009, 10:16 AM | #55 |
Drives: Supercharged Join Date: Oct 2009
Location: Colorado Springs
Posts: 314
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Depends. At less than 10lbs you can barley hear them. This kit comes standard with a 500+ cfm Race Bypass from Vortech. This valve at 18lbs of boost is extremely louder.
We use this same valve on the larger V-7 YSi blower as well. Its nice that Vortech sends a valve that can be used on higher HP settings as well. |
11-16-2009, 01:48 PM | #56 |
Drives: everyone crazy... Join Date: May 2009
Location: SW Florida
Posts: 2,109
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I've had Centri S/C (Paxton on Z06) and TT. The BOV on S/C does not sound as dramatic as Turbo, because they make boost linear and not a sudden one like turbo. On some Certies, no never even hear it but Turbo it's hard to hide it :-)
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