04-17-2021, 12:16 AM | #15 | |
Drives: 2019 ZL1 Join Date: Mar 2019
Location: NJ
Posts: 1,534
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Quote:
You can get a very mild cam and a 32% fuel lobe though if you want it to idle like stock
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928rwhp - 93 | 1040rwhp/898rwrq - E65 SAE
LME 377 LT4 Short Block | Magnuson 2650 80mm upper w/13% lower (9.06) | DSX Lid & Valve Covers | CSP Custom Cam w/32% fuel lobe | CID Heads | NW 103mm TB | Roto Fab Big Gulp | CSP 2" Headers w/Green GESI Gen 2 Cats | Borla 3" Full Cat Back w/ S-Type| Mighty Mouse Wild Catch Can| Custom Holley Low side Fuel system| TooHigh PSI Port Injection w/Holley Controller | Forced Inductions Interchiller w/2 gallon fender tank | TK Performance built 10L90 |
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04-17-2021, 01:56 PM | #16 |
Drives: 18 ZL1 nightfall grey A10 Join Date: Apr 2018
Location: RGV Texas
Posts: 1,527
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I’m sure you can get 680-690 with just headers, high cats (or better yet, no cats), 103TB. I would still get the Big Gulp. It doesn’t hurt and will be a benefit in the future if you go cam. I’m guessing you need a better tune. I would go with Jannetty for sure.
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04-17-2021, 05:29 PM | #17 |
Drives: A10 ZL1 Join Date: Mar 2018
Location: Longview, Texas
Posts: 142
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I did 103 TB and got 150HP out of my 2650
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04-17-2021, 09:53 PM | #18 | |
Drives: HBM ZLE Join Date: Aug 2017
Location: In the garage
Posts: 802
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I wonder if an ethanol blend would be beneficial for you op? If that's even an option with station availability near you, and how much room you have left in the fuel system |
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04-18-2021, 09:32 AM | #19 |
Drives: 2017 Camaro ZL1 A10 Join Date: Jan 2017
Location: Washington State
Posts: 83
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That's good to hear, pretty easy swap so will be first on the list.
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2017 ZL1 Black, A10
Build: Magnuson 2650R, 103NW Throttle Body, Rotofab Big Gulp, Kooks 2" headers, Catless, AWE Touring exhaust, JRE Smooth Idle Cam, Katech Oil Pump, Elite Catch Can, JMS Fuel Booster |
04-18-2021, 09:41 AM | #20 |
Drives: 2017 Camaro ZL1 A10 Join Date: Jan 2017
Location: Washington State
Posts: 83
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No E85 options in my neck of the woods unfortunately. I'm pretty much restricted to pump gas around here (Seattle).
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2017 ZL1 Black, A10
Build: Magnuson 2650R, 103NW Throttle Body, Rotofab Big Gulp, Kooks 2" headers, Catless, AWE Touring exhaust, JRE Smooth Idle Cam, Katech Oil Pump, Elite Catch Can, JMS Fuel Booster |
04-18-2021, 10:17 AM | #21 |
Drives: 17 ZL1 Join Date: May 2018
Location: Las Vegas
Posts: 51
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I didnt see anyone mention a alky meth kit. You can easily make over 700 with a stock or ported tb. I'd save the money on the 103 tb, get a meth kit so your timing can be increased safely along with headers or test pipes from new era performance. I was hesitant on the meth kit until I saw how clean the trunk install is and how little it uses being maf based.
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04-18-2021, 10:32 AM | #22 |
Drives: 2020 Camaro ZL1 1 LE Join Date: Mar 2021
Location: MD
Posts: 93
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the one thing that has always concerned me with meth injection as a method for greatly increasing performance has been the 'what if it fails for any reason' conundrum. I'm not familiar with the newer kits, but back in the day I had a Mitsubishi EVO VIII which was lightly tuned up (downpipe, HKS 264 cams, cat delete, muffler delete straight pipe and a custom ecu flash) and it ran awesome. some people were starting to use meth injection to really turn up the boost and timing while still running 93 octane and getting great results. the big issue became engine failures due to primarily: running low or out of meth and not noticing the red LED alert light (they usually put it down in the center console and I always thought that was a bad place for it), or sometimes the injector would get a bit of trash or dirt in it and clog up with the same result (melted pistons and a detonated engine). the guys it happened to said it happened fast, and that always scared me off of really considering the meth kits.
I'm curious if the new generation meth kits (that one in the picture looks really nicely engineered BTW) have any built in failsafes in the case of pump failure or injector clogging or simply running out of meth (or it sloshing from side to side when it gets low like on a track)? do the new generation kits cut the timing way back or cut boost (I can't see how they'd do that since it's a supercharger instead of turbo) if they sense an issue (or try to enrich the main fueling too perhaps)? that way the engine would be protected from catastrophic damage especially if the driver didn't notice that he was having a meth injection system failure. In the end, with the EVO, I ended up installing my own custom water injection system (no fuel no meth just water) and had it set for 12 psi with an arming switch for use when I was doing track days. I didn't up the boost or advance the timing past what the custom flash was already set for without the water injection. the water was just to help give an extra cushion of detonation resistance and it also helped on very hot days with the engine pulling timing during a long track session. (basically it kept the power level nice and stable and steady throughout an entire session). it worked very well and I was really happy with it, and I felt comfortable in that if it did fail while on track, it wouldn't result in a blown up engine; the worst that would happen would be that it would be like running without the water injection anyway. a side benefit of the water injection was it kept the combustion chambers super clean and the plugs immaculate. I'd typically use between 3 and 4 qts of water in a 20 min session (since I wasn't injecting meth as a fuel through it, I didn't need anywhere near as big an injector) |
04-18-2021, 10:45 AM | #23 |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
Posts: 3,078
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The problem with meth is that its requires recommended annual maintenance and its prone to leaks. Most people who use meth end up ditching it later.
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04-18-2021, 11:38 AM | #24 | |
Drives: '17 ZL1 M6 Join Date: Apr 2021
Location: Earth
Posts: 108
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I wouldn't do it again.. Last meth experience was a really bad one for me |
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04-18-2021, 11:51 AM | #25 | ||
Drives: 2017 Camaro 2SS A8 Join Date: Aug 2018
Location: Petersham MA
Posts: 4,741
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Quote:
Quote:
Relying on meth is a gamble at best IMO.
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2017 Chevy Camaro 2SS A8 Whipple 3.0, Mast Black Label heads, Fore triple in-tank pumps, 112mm TB, LPE +52% injectors, LPE BB HPFP, 15” conversion 1059 WHP/944 WTQ, 9.48@150
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04-18-2021, 04:04 PM | #26 |
Drives: 17 ZL1 Join Date: May 2018
Location: Las Vegas
Posts: 51
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Just wondering who has had a meth kit fail on a zl1 causing engine damage? 🤔 The negitive comments against them I'd hope come from real world experiences and not hearsay. these cars layover really hard and timing is cut if the fuel source is not keeping up. There's a reason most major shops use them. This would be my 4th kit on 4 different cars and never had an issue. I get it if the owner of this post is against meth but let's not say it's a basically a time bomb if meth is installed. It was just a suggestion from my previous experiences. What's worse, Pushing pump gas to the limit and risking kr, or adding meth to increase timing safely and making more power. Each to their own I suppose.
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04-18-2021, 05:22 PM | #27 | |
Drives: 2021 Red Hot ZL1 Join Date: Sep 2020
Location: Gapplebees
Posts: 3,078
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04-19-2021, 07:57 AM | #28 | |
Drives: 2022 Lt1 A10 Join Date: Nov 2015
Location: clark, mo
Posts: 8,860
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Quote:
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2022 Lt1 6.2 A10, Maggie 2300, THPSI Port Inj/10 rib, Rotofab, E, Nickey, SCOL, Griptech, RC Bandits, Hoosiers/MT 9.80@142.96 1.44 60ft, 6.34@112 707/669 RWHP/TRQ. 16SS Maggie 2650 9.41@147 1.35 60ft, 5.99@119. 16 C7 A8 10.90@128 Bolt on stuff
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