does anyone have a vafc on there 6th gen accord sohc vtec?...i have a lightly modded accord and im interested in getting me a vafc and lower my vtec engagement....if anyone has this in there car what would be a good set point for the vtec engagement? i was thinkin about 4000 rpms...do you guys think that its too low?..right now i just got the basic bolt ons....cai/h/e .....9.1 (?) plug wires...ngk iriduim plugs....and a crane cap/rotor...

also what is the factory setting for the vtec engagement on a 6th gen sohc vtec?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by anothervictum &raquo;</TD></TR><TR><TD CLASS="quote">does anyone have a vafc on there 6th gen accord sohc vtec?...i have a lightly modded accord and im interested in getting me a vafc and lower my vtec engagement....if anyone has this in there car what would be a good set point for the vtec engagement? i was thinkin about 4000 rpms...do you guys think that its too low?..right now i just got the basic bolt ons....cai/h/e .....9.1 (?) plug wires...ngk iriduim plugs....and a crane cap/rotor...

also what is the factory setting for the vtec engagement on a 6th gen sohc vtec?</TD></TR></TABLE>

itll be good for a few HP.......

SOHC vtec engages varaibly, kinda like the new I-Vtec

 

bump it up

 

well when does stock vtec engage on the 6th gens? im a double duecer so i dunno...

 

it definately depends on what rpm vtec kicks in on stock motors, you dont wanna turn it down too far cuz ur car will buck forward for a second and then throw you back when ur gettin on it.......cuz what it does is open the vtec valves too early and doesnt make power, then when it gets back in rpm's, it kicks in

 

the DOHC i believe (?) have a fixed engagement point, unlike your SOHC. On my DOHC, vtec seems to engage around 4500, just to give you an idea (yours is probably close)

 

I had a VAFC on my Accord. It does not bring me significiant hp increase and since I havent take the car to dyno tune so basically it was sitting there for nothing.

If might be useful if you take the VAFC to dyno tune and get a better fuel/air mixture and max out your mods

Not sure about the SOHC VTEC though I believe they kick in like 2500~3000rpm. Not like the DOHC one they kick in 5500rpm

 

nods

 

mine kicks in at 3,000rpms @-.32 load.
but i'm on a AEM EMS.

 

my vtak is alwayz on

 

imo its a pointless mod without getting it dyno tuned. but if you are going to tune it, its a good investment. better than most mods

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by anothervictum &raquo;</TD></TR><TR><TD CLASS="quote">what would be a good set point for the vtec engagement? i was thinkin about 4000 rpms...do you guys think that its too low?..right now i just got the basic bolt ons....cai/h/e .....9.1 (?) plug wires...ngk iriduim plugs....and a crane cap/rotor...

also what is the factory setting for the vtec engagement on a 6th gen sohc vtec?</TD></TR></TABLE>

i asked this question several weeks ago, correct me if im wrong but i was told that for a 6th gen f23a4 the vtec engages at around 3750. Maybe that's different for the non-ulev f23a1 but i doubt it. Whatever u do, good luck

 

F23a1 engages at different rpm like a smart vtec. When you put the vafc on it you will gain power if you have it dynoed tuned but no matter what you will lose power around the 5000 to 5500 rpm range even tuned correctly!


F23A1/Fmax Turbo kit/8psi/VAFC/MF2 with(2) 440CC injectors

 

i really dont see the point but you can get it cuz it looks good. are you planning on boosting in the future

 

vtec on f23 motors engages anywhere between 2300-3800 rpms, depending on many factors which I believe include oil pressure, load, and intake manifold pressure. (not completely sure on the factors though)