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I think with such small sample sizes and such wide variance in HP and usage prevents us to state what exactly leads to engine failure. IMO, I think there is minimal failure with base setups, and extensive failure on the most aggressive setups on stock engines ( or even built engines). I think road racing (or long street events), next would be year on year aggressive street driving, followed by 1/4 usage. Note I'm only addressing engine stock engine failure on FI. For mods, 7 PSI would be a minimal failure, 14 PSI up better start that forged short block project. These two separate things probably can be multiplied out.
ie minimum boost x not crazy DD = low failure
14 PSI boost and the Silver State Challenge= explosion somewhere, sometime soon. I hope you are not going 180 MPH.
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Forged short block, large duration sub .600 lift Cam Motion cam, 7200 RPM fuel cut, Pray Ported Heads, 3.85 pulley D1X, stage II intercooler, DSX secondary low side, DSX E85 sensor, Lingenfelter big bore 2.0 pump, ported front cats, 60608 Borla, LT4 injectors, ZL1 1LE driveshaft and Katech ported TB, ported MSD intake, BTR valvetrain, ARP studs, ProFlow valves, PS4 tires.
Last edited by oldman; 02-25-2020 at 07:14 AM.
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