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Should I upgrade injectors... 500whp --> 720cc injectors

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Old 03-03-2005, 06:56 PM
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Default Should I upgrade injectors... 500whp --> 720cc injectors

2.0 GSR motor. t3/60-1. revving to about 9,000 max. walbro 255 pump, AEM Rail, AEM FPR. Right now I have 720cc injectors and was wondering if I should just get bigger ones before I even bother start tuning. Id rather get it out of the way before I actually start driving the car. I am looking to make close to 500whp.
Old 03-03-2005, 07:05 PM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (dunkd)

bump 4 you i also want to know the same thing
Old 03-03-2005, 07:12 PM
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I was leaning towards picking up some 880's and selling these... just for the extra insurance.
Old 03-03-2005, 07:15 PM
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Default Re: (dunkd)

i'd just get 1000cc injectors, thats what im gonna run on my setup, built b20/vtec. The support about 650 i believe. which will give you plenty of room if you decide to up the boost sometime
Old 03-03-2005, 07:20 PM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (dunkd)

get the precision 1000cc better to get to big than not have enough.
Old 03-04-2005, 06:56 AM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (B20TDC2)

I agree. I'm going to be running 880's just so I won't have to worry about upgrading for a while.
Old 03-04-2005, 08:21 AM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (rwcdrums)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by rwcdrums &raquo;</TD></TR><TR><TD CLASS="quote">I agree. I'm going to be running 880's just so I won't have to worry about upgrading for a while.</TD></TR></TABLE>

same thing i did
Old 03-04-2005, 08:30 AM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (B20TDC2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B20TDC2 &raquo;</TD></TR><TR><TD CLASS="quote">get the precision 1000cc better to get to big than not have enough.</TD></TR></TABLE>

That would be my suggestion, better to run the 1000's @ 50% duty or something to that effect , rather than next time u wanna turn up the boost u have to turn your 880's to 90-95% duty.....just my .02
Old 03-04-2005, 09:40 AM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (B20TDC2)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B20TDC2 &raquo;</TD></TR><TR><TD CLASS="quote">get the precision 1000cc better to get to big than not have enough.</TD></TR></TABLE>
True, even though his pump will limit him, that way he can use the 1000cc's if he ever decides to go for another pump. . .
Old 03-04-2005, 09:42 AM
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Default Re: Should I upgrade injectors... 500whp --> 720cc injectors (m R g S r)

Precision 1000cc is where it is at.
Old 03-04-2005, 09:53 AM
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What they A/F on dyno say if your car is going lean and the duty is over 80% then you probably need bigger injectors
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