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hey, I will be testing this, but does anyone know if a CNG car will produce more power with full pressure in the tanks than lower pressure? and is the performance better if the gas is still hot from filling up, or cold from sitting over night?
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Re: CNG performance.
No, no difference. Whatever the tank pressure is, it is brought down to 'rail pressure' just before being burned.02 GX
01 GX
03 Crown Vic
06 GX
Home Fueler
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Re: CNG performance.
regardless of tank pressure (assuming tank as fuel in it) the HPR will bring the presure down to around 100 psi and the LPR will bring it down further somewhere around 5-15 psi. So no makes no differance. What you could test that may have a differance in performance is the temperature on the gas entering the intake.sigpichttp://WWW.CNGMOTORS.COM
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2003 Hummer H2 bi-fuel
2000 GMC Yukon XL bi-fuel
1999 International 4700 dual-fuel
2007 Chevy Avalanche bi-fuel
FMQ2-36 Fuelmaker w/ 24 GGE cascadeComment
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Re: CNG performance.
Murphy is right. The temperature of the gas in the tank is insignificant. The temperature of the gas changes so much as it runs through the HPR and through all the lines and through the LPR that the most important point to measure the temperature is at the fuel rail.Jared.
Mountain Green, Utah
2003 CNG Cavalier
2003 CNG Silverado 2500HDComment
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Re: CNG performance.
No difference.02 GX
01 GX
03 Crown Vic
06 GX
Home FuelerComment
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Re: CNG performance.
Temperature only seems to affect the amount of gallons that can go into the tanks. Winter months yield higher capacity fills.Comment
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