FMU with 550's or not?
Honda-Tech Member
Joined: Jul 2001
Posts: 6,030
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From: Northeast, USA
Re: FMU with 550's or not? (DS1)
440's with a 4:1 is the MAX size injector I'd run with no standalone or piggy back.
A VAFC will barely get those to idle well. I know my 310's idle *decently* with no VAFC...
A VAFC will barely get those to idle well. I know my 310's idle *decently* with no VAFC...
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Junior Member
Joined: Jul 2002
Posts: 171
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From: az, us
Re: FMU with 550's or not? (HybridKOOP)
Im running the VAFC and 370's right now, but I need bigger injectors cuz I maxed out the 370's. Do you know of anyone that is running 550's with a VAFC?
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Junior Member
Joined: Dec 2000
Posts: 642
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From: tucson, AZ
Re: FMU with 550's or not? (onesikvtec)
1 have 440s and FMU. idles fine, and high RPM is awesome. gets a little jerky under constant low RPM though, but im pretty much un-tuned, just guessed a bit and watched my EGT
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