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04-28-2016, 11:49 PM
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#1 |
 
Drives: 2012 2SS 45TH Anniversary Join Date: Mar 2012
Location: Kentucky
Posts: 720
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Dyno tune=dissapointment
Just had my car finished today with some N/A engine upgrades.
List is: TSP 229/236 112 LSA cam 255cc ported heads TSP UPL ZL1 Pump Car already has full bolt ons and dynd 410/409 two years ago. Final dynd pull was 470/440. ??????? I was fully expected 500rhp with my setup....tuner says he saw a MAF error which might account for the low number. Any tuners have any advice? I spent a ton for just 60rhp. I know it's just dyno numbers but I suspect the dyno is way off. Tuner is the best in the area..maybe a remote tune from Jannety? |
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04-29-2016, 12:01 AM
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#2 |
          
Drives: 2017 2SS M6 Join Date: Jun 2013
Location: WNY
Posts: 7,069
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what kind of dyno? a mustang dyno might show 13% less then a dyno jet. You're also in Alaska. temp and altitude make a big difference. every dynos different.
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real ZL1 wheels and brakes, 285/305 Michelin Pilot Super Sports, Pray ported Intake manifold, Soler Throttle Body, Rotofab intake, EFI Tuning Flex fuel kit, full American Racing Headers Exhaust, 1 7/8" w/ cats H pipe and mufflers. Full 1LE suspension, with BMR adjustable sway bars and links, GM aluminum cradle bushings, Hurst shifter with lighter reverse spring, TWM shifter knob, Tick level 1 transmission. I should have bought a ZL1
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04-29-2016, 12:02 AM
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#3 |
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Master ASE, GM, LSX Tech.
Drives: 2010 Camaro SS Join Date: Oct 2012
Location: Austin, TX
Posts: 1,034
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Who picked that cam?
I can't wait to see 30 magical mail order HP arrive.
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2010 2SSRS A6, Custom Pat G. Cam, WCCH Cylinder Heads, Kooks Headers/Exhaust, BTR Valvetrain, Fluidampr 25% UDP, All Engine ARP bolts, Flex-a-lite radiator/Trans cooler, Yank converter, PFADT Suspension, ADM Race Intake/Scoop, Torq tow hook, CFD auto shifter, Dynojet AFR gauge, Aeroforce scan gauge, Brake Performance rotors/pads
Prothane bushings, ZL1 wheels, spoiler, Z/28 wickerbill, 1LE Aero/Suspension Package, Anderson Composites COPO Carbon Fiber Hood, LED lighting, Elite Catch Can, Improved Racing oil pan baffle, crank scraper, windage tray 480 RWHP 452 RWTQ + Nitrous Express 150 Shot |
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04-29-2016, 01:43 AM
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#4 |
Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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That's not real low. 10-15 maybe. The local dynos put bolt on cars at 410ish and heads and cam 470ish-480ish. Mine put down 478
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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04-29-2016, 01:50 AM
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#5 | |
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Drives: 2012 2SS 45TH Anniversary Join Date: Mar 2012
Location: Kentucky
Posts: 720
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Quote:
Tuner compared other cam only camaro builds to mine and numbers are exact but without ported heads or upl. Like you said every dyno is a tad different... |
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04-29-2016, 04:35 AM
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#6 |
Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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If you said it was a 235/239 cam, I'd say you'd have a lot closer chance to getting around that 500whp number. But there are other factors at play, I'm sure. The MAF may be one but, what is your compression at with those heads, now? What octane fuel? If you have too much spring that could also rob you of a few hp. Do you have long tubes? How about cats?
The random laundry list of things that could potentially nickel and dime you away from that threshold is pretty long. Sometimes it's just the tuner, sometimes it's the combination of parts that don't coincide with an optimal setup.
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2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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04-29-2016, 10:56 AM
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#7 |
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8.60 @ 157 @ 4200lbs
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I think to many people get fixed on Dyno numbers, just remember, a dyno is just a tuning tool if your af and timing and drive ability are good take to the track and see how it does, But i think your numbers look good might be a bit more room depends on how aggressive you want to go
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04-29-2016, 12:00 PM
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#8 |
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10-bolt Destroyer
Drives: 2012 Camaro 2SS/RS - AGM, LS3/6M Join Date: Jun 2012
Location: Canukistan
Posts: 861
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Id say its a tad low for what you have done but every dyno reads different.
I made 411rwhp with just headers and K&N Intake and diablosport 91 octane tune. Now with the BTR stage 4 cam and a real tune by Arun Ahuja I made 470rwhp and 443rwtq..on the stock heads and stock intake manifold and stock throttle body. Hope you get it sorted out!
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 2012 Camaro 2SS/RS - LS3/TR6060: Cam, Headers, Exhaust, Intake, Gears, Twin Disk, Suspension, Tuned - 475rwhp, 443rwtq |
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04-29-2016, 03:15 PM
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#9 |
Drives: 2012 2SS/RS LS3 Join Date: Dec 2011
Location: Omaha, Nebraska
Posts: 1,677
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Don't feel bad I had ;
Roto fab Ported TB PRC 255 heads milled to 65cc 231/236 112 LSA Full SLP exhaust LTH to Tips ZL1 Pump NX 150 shot Dyno'd at 460rwhp (not on the juice) on a Mustang Dyno, everything I have heard confirms the 13% correction factor which would put me at 520rwhp. After just my cam I was only making 430. Heads picked me up an extra 30hp. |
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04-29-2016, 05:52 PM
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#10 | |
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Drives: 2018 Audi TT RS Join Date: Jan 2014
Location: Navarre, Florida
Posts: 1,915
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Quote:
__________________
2018 Audi TT ▊RS
2.4X 0-60, 1.6X 60', 120+mph 1/8th, 4.XX 60-130, 150+mph traps on 255/35/18 R888R tires on the street (unprepped). 2019 Audi RS3 About as fast as the TT RS 2019 Camaro ZL1 1LE Sold 2018 Camaro SS 1LE Sold 2019 Corvette Z06 Sold 2021 Charger Hellcat Redeye Widebody Sold |
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04-29-2016, 06:18 PM
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#11 |
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Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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And tuning WOT and max power is cake. Tuning skill comes in at idle/part throttle/etc. Anyone can set WOT to make good power. People who think there is magic power between tuners at WOT are a bit crazy. You set AF, you set timing. Thats it. You can't magically make a car take more timing. It does what it does at WOT.
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Nick
Corvette Z06 -1200ish rwhp |
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04-29-2016, 07:12 PM
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#12 |
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Drives: 2015 Summit White 2SS 1LE Join Date: Feb 2012
Location: Vance Alabama
Posts: 8,090
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Yeah it's all a/f and timing.
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Retired wanna be cylinder head porter
2015 2SS 1LE Clutch reservoir, Vararam DRX, ported TB, TSP 2" headers, MGW shifter, stage 4 cam and Wilkes 11° 65cc heads Totalled: 2010 1SS Wilkes Performance/Eagle 416 shortblock, TSP custom valvetrain, PRC 260 heads, Edelbrock Pro Flo 102, th400 swap, 8" PTC 5500 stall= 535/435 at the wheels tuned Gen 3 Performance and Dyno 10.97 @ 124 full weight in 3100 DA CamaroFest X |
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04-29-2016, 11:09 PM
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#13 |
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Drives: 2012 2SS 45TH Anniversary Join Date: Mar 2012
Location: Kentucky
Posts: 720
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Okay, final results are 490/460...
Like some have said, numbers on paper don't tell the full story. Tuner said cam was a great choice for a DD. Power is pretty constant thru the curve even if you loose a little up top. Took it out and wow, car takes off. Best part so far is the clutch, Street Slayer twin carbon (shameless plug). Have to learn the clutch again but it is way way better than the stock one. Tuner was very impressed with it. This is going to be a fun weekend... |
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04-29-2016, 11:22 PM
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#14 |
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Account Suspended
Drives: 2010 2SS/RS Join Date: Jun 2009
Location: Texas
Posts: 3,418
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Where did you pick up the extra 20hp/tq?
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