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niterydr · 10-07-2005

glad you figured it out.
From June 25, 2005
......reasons for possible "knock"......
1) Failing FPR, inconsistent fuel pressure will cause
a great strain on injectors, and make the car
virtually impossible to tune. Injectors are rated on
a 43psi baseline, and are expected to rise in a 1 to 1
ratio. Any deviation will change in how the car is
tuned. By running a lower baseline pressure, you
'shrink' the size of the injector, and when the car
doesn't rise in a 1psi fuel pressure to 1psi boost
pressure, the car is near IMPOSSIBLE to tune
correctly.......

I remember writing that to you in an email. I didn't mention to check the vac line to it however. Are you going to the track on saturday now?

10-07-2005	#4
niterydr back in the saddle again 24 Hours Rally Champion! 3D Pacman white house edition Champion! 3D Racing - Track 2 Champion! ATV Winter Challenge Champion! Bloody Pingu Champion! WRX Racing 2 Champion! Tournaments Won: 5 Join Date: Oct 2003 Location: Elkhart Texas Drives: 2015 Ram Quad Cab Hemi, 1999 FRC Corvette, 93 Stealth Turbo Posts: 6,411	Re: Question about A/F ratios glad you figured it out. From June 25, 2005 ......reasons for possible "knock"...... 1) Failing FPR, inconsistent fuel pressure will cause a great strain on injectors, and make the car virtually impossible to tune. Injectors are rated on a 43psi baseline, and are expected to rise in a 1 to 1 ratio. Any deviation will change in how the car is tuned. By running a lower baseline pressure, you 'shrink' the size of the injector, and when the car doesn't rise in a 1psi fuel pressure to 1psi boost pressure, the car is near IMPOSSIBLE to tune correctly....... I remember writing that to you in an email. I didn't mention to check the vac line to it however. Are you going to the track on saturday now? __________________ My street car runs low 11's and my race car's personal best is a mid 11.... Last edited by niterydr; 10-07-2005 at 03:16 PM..