RC440 big enough?

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11-12-2004, 06:02 AM

Benjithx

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RC440 big enough?

300-350hp -not sure how much boost

b16a2 81mm bore

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11-12-2004, 06:31 AM

95GSRTT

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Re: RC440 big enough? (Benjithx)

ya they should be good up to that amount depending of fuel pressure, Id say 320 would be max though...

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11-12-2004, 06:37 AM

99B16Si

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they usually start jumping into the 90% duty cycle area past 300whp. u may need to bump up the fuel pressure a little bit

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11-12-2004, 07:38 AM

boostjunkie757

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im running rc440's and making 347 whp with stock internals....b18c5-T.

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11-12-2004, 09:36 AM

95GSRTT

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Re: RC440 big enough? (Benjithx)

and if you are interested, i have some rc440s for sale. Used but in great condition. 200 shipped.

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11-12-2004, 10:55 AM

Benjithx

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Re: RC440 big enough? (95GSRTT)

if it helps i have a 255walbro

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11-12-2004, 11:10 AM

dunkd

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you should just buy rc550's.. same price. but if u already have the rc440's ur gonna need a FPR to turn up the fuel pressure a bit to be safe.

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11-12-2004, 11:56 AM

boostjunkie757

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you dont need a fpr if youre running hondata...

i know i dont have one.

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11-12-2004, 12:11 PM

dunkd

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Re: (boostjunkie757)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by boostjunkie757 »</TD></TR><TR><TD CLASS="quote">you dont need a fpr if youre running hondata...

i know i dont have one.</TD></TR></TABLE>

what duty cycle are your injectors at?

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11-12-2004, 12:26 PM

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yellowturbo

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IMO for your goal I would go with a set of 550 minimum... I personnaly would go bigger just in case

I run 680cc in my car... see specs in my signature...

With a good fuel management there is no problem to go with bigger injectors....

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11-12-2004, 01:06 PM

#11

boostjunkie757

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Re: (dunkd)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by dunkd »</TD></TR><TR><TD CLASS="quote">

what duty cycle are your injectors at?</TD></TR></TABLE>

honestly, im not sure.

i didnt tune the car, i took it to shad at abacus. done right, the first time!

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11-12-2004, 03:15 PM

#12

11psiTurboSI

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Re: (boostjunkie757)

I've made 337hp with 440cc's @50psi fuel pressure... Now I'm at 262hp

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11-12-2004, 05:34 PM

#13

XX Boosted Si XX

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Re: (9psiTurboSI)

i run 750cc rc in my Si and I make roughly 305 whp....mine are at something like 55% duty...lol

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11-12-2004, 05:45 PM

#14

ATS*Mark

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Re: (XX Boosted Si XX)

id go 750's . i got them in my car but im going for the corresponding horsepower.....you have room to grow . i bought 440's and had to sell them to go bigger.

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11-12-2004, 05:57 PM

#15

dunkd

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sell them and buy bigger... even if there is the least remote chance ur going to upgrade... everyone upgrades sooner or later lol... wish i would have bought bigger ones the first time

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