05-21-2013, 08:19 PM | #1 |
Drives: 2013 Victory Red w/ automatic #671 Join Date: Jun 2012
Location: The Bat Cave
Posts: 247
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Loss of low end torque w/ Roto-Fab CAI on 2013 ZL1?
Hello,
Anyone have solution or answers to the above subject matter. I made this my first performance mod, but I don't feel any increase in HP. If anything car feels slower on initial launch, w/ less torque?? |
05-21-2013, 08:48 PM | #2 |
Drives: 2012 ZL1 - #670 Join Date: Jun 2009
Location: Seminole, Fl.
Posts: 8,009
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Your the only one so far ...
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05-21-2013, 08:55 PM | #3 |
Drives: 2012 ZL1 Join Date: Dec 2011
Location: pittsburgh area
Posts: 1,426
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The butt-dyno isn't really any way to gauge gains, or losses. i'd take it to the dyno and see what it is making, but without baselines it won't tell you much
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2012 CTF ZL1-stock
2012 ZL1 (sold) JRE 75rwhp kit catless ported lsa TB 11.04 @ 128.35 on hoosier drs and skinnies @ PRP with 1100DA |
05-21-2013, 09:22 PM | #4 | |
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Quote:
And my butt-dyno thinks the gains are substantial
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Laus Deo
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05-21-2013, 09:35 PM | #5 |
Can't stop ***ifying
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First drive after the rotofab ---- HUGE gains. Especially low end. I have never had a vehicle with such a "seat of the pants" power increase on a bolt on mod.
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Rotofab, grinding rear diff sound forever, dealer replaced supercharger - now i have a rattle when starting from a stop, ordered 2.35 lingenfelter pulley, hp tuner, belt, 100mm idler pulley, tr7IX spark plugs, wideband kit, long tubes with no cats...hoping for 650hp. dyno with rotofab = 518hp |
05-21-2013, 09:45 PM | #6 |
Drives: 18 ZL1 A10 & 18 2500HD Duramax Join Date: Oct 2012
Location: Chicago, IL
Posts: 733
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What octane fuel are you running? I had the same problem with the roto-fab intake, 91 octane, and no tune.
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Procharged 2018 ZL1 A10
2018 2500HD Duramax |
05-21-2013, 09:50 PM | #7 |
Drives: 2013 Victory Red w/ automatic #671 Join Date: Jun 2012
Location: The Bat Cave
Posts: 247
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05-21-2013, 10:05 PM | #8 |
Drives: Ashen Grey ZL1 #1109 Join Date: Jan 2012
Location: Seattle, WA
Posts: 35
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Don't worry. I didn't feel anything either. I don't believe butt Dyno works in 25HP increments. Times and Dyno will prove your arse wrong though.
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05-21-2013, 10:52 PM | #9 |
Drives: Black ZL1 Join Date: Apr 2013
Location: City of Champions, Alabama
Posts: 3,698
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I didn't do a stock dyno, so I don't know, with the Rotofab it was 511 1st pull, 515 2nd pull...
That being stated, I knocked over 1/10th a second off of my 1/8th mile time the week after I put it on, I was launching better, so which was it, maybe a bit of both me and the mod
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05-21-2013, 11:06 PM | #10 |
Drives: 18 ZL1 A10 & 18 2500HD Duramax Join Date: Oct 2012
Location: Chicago, IL
Posts: 733
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Did you buy the car brand new? If you did and you only put 93 octane in it, you shouldn't need to pull the fuse. I had problems because my motor was detonating. I got her in Chicago where they have 93 octane, but then I shipped her to California (where my duty station is located) and unfortunately Cali only has 91 octane. I installed my roto-fab and and got her on a dyno and was making 505rwhp and only 470rwtrq. At wide open throttle my motor was detonating and I was already at 95% duty cycle. I bought more mods(mods in SIG) and went to Cunningham Motorsports. They inststalled all the parts and got the famous 91 octane street tune by Ryne. She runs better then stock and performs like a beast. I actuallty picked up more mpg on the highway as well
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Procharged 2018 ZL1 A10
2018 2500HD Duramax |
05-22-2013, 12:39 AM | #11 |
Drives: Black ZL1 Join Date: Apr 2013
Location: City of Champions, Alabama
Posts: 3,698
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I know California is mentally hilarious, but what is the deal with the 91 octane, have they started banning having fun unless you are a pot head out there?
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05-22-2013, 05:00 AM | #12 |
Drives: 2012 Camaro ZL1 #1658 Join Date: Jul 2010
Location: Pennsauken, NJ
Posts: 595
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I'm sorry but with a CAI, I wouldn't imagine that you would experience the additional HP in a significant fashion. I mean you will have a nicer looking and sounding car but as far as the additional 35 or so HP, I wouldn't expect to feel any significant difference.
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2012 ZL1 (BLACK on BLACK)
Roto-Fab CAI RX Catch Can 3M Paint Protection 2011 1SS/RS (BLACK on BLACK) <SOLD> |
05-22-2013, 06:43 AM | #13 |
Drives: '12 Camaro ZL1, '16 Silverado Z71 Join Date: Mar 2012
Location: Blaine, MN
Posts: 846
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What mode are you driving in? The torque management may be kicking in.
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2012 ZL1: M6, Rotofab CAI, ATI balancer w/8.66 overdrive, PFADT long tube headers w/cats
2016 Silverado LTZ-Z71 Midnight Edition: 6.2L, 8 speed auto, Borla exhaust |
05-22-2013, 06:46 AM | #14 |
Drives: Camaro's, always have, always will. Join Date: Oct 2010
Location: Home of the brave
Posts: 4,851
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I agree, power gains throughout entire range. Least obtrusive mod with the most impact one can do to the LSA IMHO. Very noticeable TQ and HP increase to the trained rear dyno tech.....
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