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06-10-2022, 12:22 PM
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#1 |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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What to do before dyno?
I have a dyno appointment at the end of summer. The shop sent me a waiver and questionnaire to get ready. The waiver is scary, but true. What can I do before the dyno to make sure my car is ready to handle being pushed to the absolute limit.
I might have air leak under the hood. I hear it, but can’t quite pinpoint it. Doesn’t cause any issues I know of. I have a noisy injector(s) but they all are working. Outside chance the injector noise is a noisy lifter. I have 102,000 miles. I get about 8.3 psi boost. No other issues I am aware of. I am thinking fresh spark plugs and wires is a good idea. What tests should I run, what other maintenance should I do?
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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06-10-2022, 12:44 PM
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#2 |
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Make sure you have recent tires with no patches/plugs . I do not put on dyno if date stamp on tires is more than two years old.
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06-10-2022, 03:29 PM
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#3 |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Only about 5 months on mine, should be good there. Thanks for the tip.
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2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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06-10-2022, 06:54 PM
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#4 |
 
Drives: Chevrolet Camaro SS Join Date: Jul 2021
Location: McKinney, TX
Posts: 267
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What changes do you have that merit a tune?
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06-10-2022, 07:27 PM
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#5 |
       Drives: 2010 Camaro SS2,L99, LSA SC Join Date: Aug 2017
Location: Huntsville, AL
Posts: 2,143
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Air leak may be the pcv line that runs to the back of the driver side valve cover. The air traveling through it sounds like a leak on mine.
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06-11-2022, 06:13 AM
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#6 |
Drives: 2012 Camaro SS Join Date: Dec 2019
Location: New York
Posts: 1,434
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I spun a crank bearing on the dyno and had to redo the bottom half with new crank and rods. It was in for cam and heads and converter at the time or I wouldn’t dyno it. It’s just a tool to show a number and help tune the car. Complete street then street tunes the car after the dyno anyway to fix drivability issues that they can’t duplicate on the dyno (like traffic,sudden stops,ac on and so on)
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2012 Camaro 2SS/RS - CSP Custom Cam 232/240 .615/.615 113 +3, Texas speed CNC heads, FTI billet triple disc converter, K&N cai, Katech ported TB, GPI Ported/rod modded manifold, Texas speed 1 7/8 headers, HFC, Flowmaster 2 chambers with x pipe, Mishimoto CC, MSD wires, Roto fab washer relocation, tru cool 40k trans cooler, apex scoop, Pedders extreme coil overs and much more!!
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