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Old 04-11-2019, 10:33 PM   #281
OneBadvATE
 
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Quote:
Originally Posted by RobZL1 View Post
Solid! I bet that feels just a **little** more peppy than when you dropped it off. LOL!

EDIT: Holy crap look at that boost! Time for some heads, eh??
I actually haven't even picked it up yet, so I can only imagine it for now lol. They just sent over the dyno and I just had to post it up.

Yeah already saving for a clutch at a minimum, but heads will likely make the list too to help drop that boost and keep the temps down.
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Old 05-15-2019, 10:00 PM   #282
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2015 M6 ZL1 8k miles
Kooks headers with high flow cats
Borla Atak cat back
Cold air inductions intake.
Tuned by Speed Inc
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Old 08-11-2019, 05:51 PM   #283
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2012 zl1 6 speed manual 2 inch arh headers no cats, 5 inch rpm intake and custom tune 518hp 505tq
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2012 Camaro ZL1 6 speed 2 inch arh headers no cats 5inch rpm intake 518hp 505tq
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Old 08-26-2019, 10:11 AM   #284
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Originally Posted by 1LEric View Post
E85 would be a lot more than 50-60 closer to 100 . Are these numbers posted on pump gas ?
Do we have a thread for E85 on the ZL1? I've heard 25-30 rwhp and also 75-100 rwhp with bolt ons. Seems inconsistent...
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Old 08-28-2019, 12:50 PM   #285
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2013 ZL1 M6, 34k Miles
485whp 526wtq
74 Degrees Ambient Temp, 91% Humidity, Hood Closed, 4th Gear Pull, No Cool Down (30 min drive and put right on the dyno).
Only "power mod" is the 63-3079 K&N Intake
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Old 08-28-2019, 01:37 PM   #286
RobZL1
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Looks like you've either got some timing pull, knock retard or AFR richening that started happening around 4300 based on the way the whole curve took a step-shift downwards. Did they happen to do a log?
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Old 08-28-2019, 02:42 PM   #287
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Quote:
Originally Posted by RobZL1 View Post
Looks like you've either got some timing pull, knock retard or AFR richening that started happening around 4300 based on the way the whole curve took a step-shift downwards. Did they happen to do a log?
Yep, that's why the peak HP went down... Should have nearly matched the torque.

It was super hot and muggy that day, and the car literally was placed on the dyno as soon as I showed up, so it never cooled down. No knock, I have that monitored on my Aeroforce. IAT2's never went above 125-135 either.

Now this was an outside dyno event, and it rained that morning. The rollers were wet, and I was the first car on the dyno. I was thinking it could have possibly been due to that. I also made sure traction and stability control were both off, but the dyno operator had to shut the car down while he strapped her down. I asked if he made sure he had the traction button in for 7 sec's vs placing it into PTM. He said yes, but he looked awfully confused when he was pressing the traction button.

Question...

Does the ZL1 utilize the IAT1's (before the blower), or IAT2's (after the blower) to determine timing retard when temps get hot? I know on my Cobalt SS Supercharged, the IAT2's were the critical temps when it came to timing and power, but I see a lot of members on here only mention IAT's which is not specific. If that's the case, it could be the reason for the dip in my power curve. While IAT2's stayed in the 125-135 range, IAT1's were a good deal higher.
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Last edited by VRZL113; 09-04-2019 at 01:07 PM.
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Old 10-09-2019, 03:12 PM   #288
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2013 6 speed, 95,000 miles. Was late May in the south when it was on the rollers (hot).


VMax ported throttle body
Adjusted boost Bypass valve
Cat delete
K&N intake


Car trapped 121mph in this configuration in June



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