Walbro 450 and id 1700 limit

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Old Dec 26, 2020 | 11:58 AM
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Default Walbro 450 and id 1700 limit

Hi to al,I need your held for fuel set up,target is 750 to 800 whp with 6466 b18c pro 1 cams edelbrock intake,on 100ron fuel with water methanol
I have in my mind to put a walbro 450 in tank with 8an line and 6an return with 1700id injectors or fic 1650.
what do you think it is possible?maybe I should put a 044 in line or is mistake??
Please say free your opinion about brand injectors.
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Old Dec 31, 2020 | 08:07 PM
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Default Re: Walbro 450 and id 1700 limit

ID1700 and the walbro 450 should be fine for that goal with your proposed setup. With 100RON and water/meth spray; I ran a 70/30 meth/water mix with 93 octane on 750cc injectors and a walbro Hellcat (525lph), near 400whp and my injector duty cycle was just over 50%.
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Old Dec 31, 2020 | 08:32 PM
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Default Re: Walbro 450 and id 1700 limit

Originally Posted by Txdragon
ID1700 and the walbro 450 should be fine for that goal with your proposed setup. With 100RON and water/meth spray; I ran a 70/30 meth/water mix with 93 octane on 750cc injectors and a walbro Hellcat (525lph), near 400whp and my injector duty cycle was just over 50%.
What is your static fuel pressure ? Your duty cycle sounds a bit low for that combination.
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Old Dec 31, 2020 | 08:56 PM
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Default Re: Walbro 450 and id 1700 limit

Originally Posted by JRCivic1
What is your static fuel pressure ? Your duty cycle sounds a bit low for that combination.
I forgot to post that above. Lol! My base pressure was set at 50psi.
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Old Jan 2, 2021 | 12:15 PM
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Default Re: Walbro 450 and id 1700 limit

Ive made 705hp at 34psi boost. 102 Roz fuel pump gas. Walbro 450 Hardwire Dash 6 Feed and 1650CC Injectors at 43psi Base Fuel Pressure. Duty Cycle of Injectors only 63%

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Old Jan 2, 2021 | 01:03 PM
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Default Re: Walbro 450 and id 1700 limit

Originally Posted by 1HGEJ2
Ive made 705hp at 34psi boost. 102 Roz fuel pump gas. Walbro 450 Hardwire Dash 6 Feed and 1650CC Injectors at 43psi Base Fuel Pressure. Duty Cycle of Injectors only 63%

very good bro..how is the car (idle,cruise)with the big injectors?is Fic injectors?
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Old Jan 2, 2021 | 01:29 PM
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Default Re: Walbro 450 and id 1700 limit

idling is very smooth and fine (open loop at 12.5-13.0 afr) and cruising closed loop 14.7-15 afr no problem..here is a video
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Old Jan 13, 2021 | 11:15 AM
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Default Re: Walbro 450 and id 1700 limit update

Hi sfss as in guys
finally I will delete the stock fuel tank I will put 5 gal fcs,what do you suggest for fuel pump? Magnafuel?twin 044? Aeromotive?
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