vortech FAQ: read this before asking vortech questions
maybe private classifield?
04-24-2009, 12:57 PM
#463
Registered User
05-04-2009, 08:16 PM
#464
Registered User
sorry if this has been asked before, can't remember seeing it.
what is a good A/F for vortech (or any SC) set up. I'm assuming no more than 14 (at WOT), and prob high 12's, mid-low 13's. What do you think
what is a good A/F for vortech (or any SC) set up. I'm assuming no more than 14 (at WOT), and prob high 12's, mid-low 13's. What do you think
05-05-2009, 04:41 AM
#467
Registered User
05-09-2009, 07:34 AM
#468
Guys what do you think is the best set up to go with. Vortech v3 tuner kit with 3.12 pully and 440cc dw injectors running high duty cycle or a bigger 600cc dw running less on he duty cycle?
The 440 will idle better but the 600cc will only need to run 60-80% duty clycle compared to the 80+% the 440 would need.
The 440 will idle better but the 600cc will only need to run 60-80% duty clycle compared to the 80+% the 440 would need.
05-09-2009, 11:41 AM
#469
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Either way is fine. I installed 600, just to be easy in future.
Guys what do you think is the best set up to go with. Vortech v3 tuner kit with 3.12 pully and 440cc dw injectors running high duty cycle or a bigger 600cc dw running less on he duty cycle?
The 440 will idle better but the 600cc will only need to run 60-80% duty clycle compared to the 80+% the 440 would need.
The 440 will idle better but the 600cc will only need to run 60-80% duty clycle compared to the 80+% the 440 would need.
05-14-2009, 06:05 AM
#471
you dont calc it, its logged.
for me,
85% would be ~400 hp on a DD with 46psi base fuel pressure on a return system.
98% is 450 hp on the same setup
but there are lot of other people that are running that much HP on much smaller injectors, so who knows.
for me,
85% would be ~400 hp on a DD with 46psi base fuel pressure on a return system.
98% is 450 hp on the same setup
but there are lot of other people that are running that much HP on much smaller injectors, so who knows.
05-14-2009, 07:39 AM
#472
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There's no way to calculate that based on IDC. You need to consider, intake air temp, air volume, fuel pressure, flow rates on the injectors at a given IDC point, et all.
05-14-2009, 07:45 AM
#473
Ya I know but after reading how u didnt have enough injectors on 600cc made me a little worried. I'm flying in a VPRO tuner from TX to tune my EMS and now my shop also thinks 650cc might not be enough injectors. I see GTM and others were able to make 500-550whp with 650cc so I don't know what's up. It would really suck to pay the tuners' expenses and not be able to get a good tune.
05-14-2009, 08:39 AM
#476
I'm thinking about getting some 750cc just to be on the safe side before my tune. My question is will I have any doubts about hitting 550whp with 750cc injectors? And does our car take saturated or peak n hold? I cant remember
05-14-2009, 08:45 AM
#478
if you have a UTEC, you have saturation, hi imp (me).
but if you have a Haltech/FCON, its best to use low imp peak and hold. Plus EMS can scale big injectors without hot start problems. I'm goin to overbuy my injectors with my next build. Probably 1200s with a dual walbro pump setup on a Haltech.
but if you have a Haltech/FCON, its best to use low imp peak and hold. Plus EMS can scale big injectors without hot start problems. I'm goin to overbuy my injectors with my next build. Probably 1200s with a dual walbro pump setup on a Haltech.
05-14-2009, 09:05 AM
#479
if you have a UTEC, you have saturation, hi imp (me).
but if you have a Haltech/FCON, its best to use low imp peak and hold. Plus EMS can scale big injectors without hot start problems. I'm goin to overbuy my injectors with my next build. Probably 1200s with a dual walbro pump setup on a Haltech.
but if you have a Haltech/FCON, its best to use low imp peak and hold. Plus EMS can scale big injectors without hot start problems. I'm goin to overbuy my injectors with my next build. Probably 1200s with a dual walbro pump setup on a Haltech.
There are a significant amount of EMS companies out there that now recommend high impedance over low impedance because the response times are the same but a high impedance injector can handle a higher duty cycle and still operate.