how much boost on 450's?
04-01-2003, 01:54 PM
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how much boost on 450's?
can i run 10lbs. at the track safely? I will be running around town at 7psi..and want to go 10 lbs. at the track...just dsm 450s, resistor, fpr, aem fuel rail, and afc hack...can those handle 10? thanks
04-01-2003, 02:59 PM
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Re: how much boost on 450's? (civicudesire)
Get an FMU and Missing Link and you can run up to about 17psi and dont run the hack use the AFC to control it. But really injector is not all about boost its more about horsepower.
04-02-2003, 02:52 AM
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Re: how much boost on 450's? (ridnmyhonda)
woah i think you guys are nuts,theres noway in hell i would run 450's for 17psi or 350whp,better safe then sorry,get yourself some 550's or higher..........i still saying 450 i wouldnt boost over 12psi really
04-02-2003, 05:41 AM
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Re: how much boost on 450's? (civicudesire)
woah i think you guys are nuts,theres noway in hell i would run 450's for 17psi or 350whp,better safe then sorry,get yourself some 550's or higher..........i still saying 450 i wouldnt boost over 12psi really
are you new or something? People do this daily and there is no problem with it, mostly from the northern va area. Yes you are right better safe than sorry but when u are talking 550's then you need something other than an AFC to control them. I run 1 bar on the street on 440cc injectors, and I am no where near leaning out.
04-02-2003, 05:54 AM
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Re: how much boost on 450's? (Elite Hatch)
no im not new, dont assume this just because I have a lost post count. You are runing 1bar and are not even close to maxing them out? Hmmm I think its dumb to limit was size injectors you can use because your hack cant handle them. Lets say it could handle 550's. Would you still be runing your 440's? I still think your on the edge of there limits. I dont believe 440's can support 300whp and 17psi safely.
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04-02-2003, 06:05 AM
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Re: how much boost on 450's? (civicudesire)
no im not new, dont assume this just because I have a lost post count. You are runing 1bar and are not even close to maxing them out? Hmmm I think its dumb to limit was size injectors you can use because your hack cant handle them. Lets say it could handle 550's. Would you still be runing your 440's? I still think your on the edge of there limits. I dont believe 440's can support 300whp and 17psi safely.
04-02-2003, 06:17 AM
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Re: how much boost on 450's? (boostin b16)
theres no point in arguing this, if it works for you and others thats great but i would run bigger injectors to play it safe and have that peace of mind knowing that i will have enough fuel 
04-02-2003, 06:29 AM
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Re: how much boost on 450's? (boostin b16)
This was my experiance with DSM 450's. I ran out of fuel, meaning at 45psi fuel pressure and 8psi of boost on a 2.0L LS/VTEC and an SC54 turbo at 5300 I was at 100% duty cycle. So I would say that no 450s would not be enough. I was running a Hondata 4B btw....
04-02-2003, 06:37 AM
#11
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Re: how much boost on 450's? (PWRVTEC)
I dont know why some of you guys are maxing out.
with a hondata, 440's, stock pump, and 8lbs of boost with some spiking, I have only seen a maximum injector duty of 60-65%
[Modified by Aeka GSR, 7:39 AM 4/2/2003]
[Modified by Aeka GSR, 7:39 AM 4/2/2003]
with a hondata, 440's, stock pump, and 8lbs of boost with some spiking, I have only seen a maximum injector duty of 60-65%
[Modified by Aeka GSR, 7:39 AM 4/2/2003]
[Modified by Aeka GSR, 7:39 AM 4/2/2003]
04-02-2003, 12:36 PM
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Re: how much boost on 450's? (Aeka GSR)
[QUOTE]you guys that are still running the afc "hack" need to wake up!! you need to wire the afc into your ecu and piggy back your ecu not override it with the "hack"!! that way is just stoooooopid!!
what is he talking about is there two ways to wire the afc into the ecu i though "hack" was just slang for piggy back.
[Modified by EFrollingout, 9:37 PM 4/2/2003]
what is he talking about is there two ways to wire the afc into the ecu i though "hack" was just slang for piggy back.
[Modified by EFrollingout, 9:37 PM 4/2/2003]
04-02-2003, 02:01 PM
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Re: how much boost on 450's? (boostin b16)
no im not new, dont assume this just because I have a lost post count. You are runing 1bar and are not even close to maxing them out? Hmmm I think its dumb to limit was size injectors you can use because your hack cant handle them. Lets say it could handle 550's. Would you still be runing your 440's? I still think your on the edge of there limits. I dont believe 440's can support 300whp and 17psi safely.
why not? i run 1 bar daily and 1.3-.4 bar at the track on 450's and an fmu/afc/walbro setup. i have no problems! you guys that are still running the afc "hack" need to wake up!! you need to wire the afc into your ecu and piggy back your ecu not override it with the "hack"!! that way is just stoooooopid!! i have seen 1.5 bar and a 75 shot of nitrous on my setup and it still had room to add more gas. i have personaly seen 414 dyno proven whp with 440's, safc, 12-1 fmu, and walbro 255fp!! its been done over and over again!!
why not? i run 1 bar daily and 1.3-.4 bar at the track on 450's and an fmu/afc/walbro setup. i have no problems! you guys that are still running the afc "hack" need to wake up!! you need to wire the afc into your ecu and piggy back your ecu not override it with the "hack"!! that way is just stoooooopid!! i have seen 1.5 bar and a 75 shot of nitrous on my setup and it still had room to add more gas. i have personaly seen 414 dyno proven whp with 440's, safc, 12-1 fmu, and walbro 255fp!! its been done over and over again!!
Most of the guys on here are arguing over the horsepower difference and I assume its because they are not using the RRFMU.
04-02-2003, 02:52 PM
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Re: how much boost on 450's? (badCRX)
How is increasing fuel pressure high enough to force more fuel then intended from the injectors safe? Why not just buy bigger injectors. I think your asking for trouble by increasing fuel pressure alot.
04-02-2003, 04:03 PM
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Re: how much boost on 450's? (civicudesire)
im not saying bigger injectors arent better. I am just stating that 440s will work for that HP and boost level. and u can idle them without a standalone
04-02-2003, 05:36 PM
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Re: how much boost on 450's? (boostin b16)
why not? i run 1 bar daily and 1.3-.4 bar at the track on 450's and an fmu/afc/walbro setup. i have no problems! you guys that are still running the afc "hack" need to wake up!! you need to wire the afc into your ecu and piggy back your ecu not override it with the "hack"!! that way is just stoooooopid!! i have seen 1.5 bar and a 75 shot of nitrous on my setup and it still had room to add more gas. i have personaly seen 414 dyno proven whp with 440's, safc, 12-1 fmu, and walbro 255fp!! its been done over and over again!!
04-02-2003, 06:07 PM
#18
Re: how much boost on 450's? (Elite Hatch)
woah i think you guys are nuts,theres noway in hell i would run 450's for 17psi or 350whp,better safe then sorry,get yourself some 550's or higher..........i still saying 450 i wouldnt boost over 12psi really
are you new or something? People do this daily and there is no problem with it, mostly from the northern va area. Yes you are right better safe than sorry but when u are talking 550's then you need something other than an AFC to control them. I run 1 bar on the street on 440cc injectors, and I am no where near leaning out.
are you new or something? People do this daily and there is no problem with it, mostly from the northern va area. Yes you are right better safe than sorry but when u are talking 550's then you need something other than an AFC to control them. I run 1 bar on the street on 440cc injectors, and I am no where near leaning out.
04-02-2003, 07:11 PM
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Re: how much boost on 450's? (hybridvteceg)
not new? 84 days isn't new these days?
personally, i'll be running 8 psi on the street and appx 12-14 at the track on my dsm 450s. The only reason i wont take them further is the lack of strength in my stock block. If you have a built block, why go cheap with injectors? get some 660s or 720 and boost 20 psi.
just my $0.02
-ryan
personally, i'll be running 8 psi on the street and appx 12-14 at the track on my dsm 450s. The only reason i wont take them further is the lack of strength in my stock block. If you have a built block, why go cheap with injectors? get some 660s or 720 and boost 20 psi.
just my $0.02
-ryan
04-03-2003, 03:09 AM
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Re: how much boost on 450's? (tegasaurus)
not new? 84 days isn't new these days?
personally, i'll be running 8 psi on the street and appx 12-14 at the track on my dsm 450s. The only reason i wont take them further is the lack of strength in my stock block. If you have a built block, why go cheap with injectors? get some 660s or 720 and boost 20 psi.
just my $0.02
-ryan
personally, i'll be running 8 psi on the street and appx 12-14 at the track on my dsm 450s. The only reason i wont take them further is the lack of strength in my stock block. If you have a built block, why go cheap with injectors? get some 660s or 720 and boost 20 psi.
just my $0.02
-ryan
04-03-2003, 06:34 AM
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Re: how much boost on 450's? (trboCIVIC&WRX)
http://www.cybernationmotorsports.com ask them...I didnt see it in the mag..Its the yellow gsr.
