B20Vtec: RC310's or RX-7 460's ?
Thread Starter
Honda-Tech Member
Joined: May 2001
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From: Trinidad, W.I.
B20Vtec: RC310's or RX-7 460's ?
Hey, running basically a b20 vtec setup, n/a...still on stock injectors.
I have a set of cleaned and balanced 2nd Gen RX-7 injectors (460cc) ready to go in my rail...HOWEVER, I may have the opportunity to trade them for a set of used (but relatively new) RC 310cc injectors.
The other guy is turbo and needs bigger injectors... I'm n/a and expect to max out at about 220whp at most - n/a (when I'm 'done' modding).
Would the 310's handle this and should I make the trade or am I losing out ?
X2
I have a set of cleaned and balanced 2nd Gen RX-7 injectors (460cc) ready to go in my rail...HOWEVER, I may have the opportunity to trade them for a set of used (but relatively new) RC 310cc injectors.
The other guy is turbo and needs bigger injectors... I'm n/a and expect to max out at about 220whp at most - n/a (when I'm 'done' modding).
Would the 310's handle this and should I make the trade or am I losing out ?
X2
Honda-Tech Member
Joined: Jul 2004
Posts: 1,361
Likes: 2
From: Great White North
Re: (X2BOARD)
What is your fuel control. ECU and VAFC or Hondata.
With Hondata you could use either.
With ECU and VAFC I'd stick with 310cc. Then use a FR to increase fuel pressure if you need a little more flow.
Typically 310-370cc are used for built B20s.
With Hondata you could use either.
With ECU and VAFC I'd stick with 310cc. Then use a FR to increase fuel pressure if you need a little more flow.
Typically 310-370cc are used for built B20s.
Thread Starter
Honda-Tech Member
Joined: May 2001
Posts: 5,089
Likes: 1
From: Trinidad, W.I.
Re: (Veris)
I will be using Uberdata....
I've seen that, according to the RC site calculator, at 80% duty cycle and 50psi of rail pressure... 310's are good to 225hp (crank).... I would like to make close to that or more if possible... are they still useable or should I stick w/ the 460's ?
I've seen that, according to the RC site calculator, at 80% duty cycle and 50psi of rail pressure... 310's are good to 225hp (crank).... I would like to make close to that or more if possible... are they still useable or should I stick w/ the 460's ?
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From: Great White North
Re: (X2BOARD)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by X2BOARD »</TD></TR><TR><TD CLASS="quote">I will be using Uberdata....
I've seen that, according to the RC site calculator, at 80% duty cycle and 50psi of rail pressure... 310's are good to 225hp (crank).... I would like to make close to that or more if possible... are they still useable or should I stick w/ the 460's ?</TD></TR></TABLE>
ITR are 195 crank, 240 cc injector @ 42psi.
RC site is trying to sell injectors or is posting ~whp numbers.
310 are good enough for 200+whp on a NA bseries. If you are going FI then I'd go with the bigger injectors.
With ubberdata either will work. The 310cc will definiately be easier to set up though. The 310 should also be balanced, the RX7 ones won't be (not to the same degree). See RC's site for balancing benefits.
I've seen that, according to the RC site calculator, at 80% duty cycle and 50psi of rail pressure... 310's are good to 225hp (crank).... I would like to make close to that or more if possible... are they still useable or should I stick w/ the 460's ?</TD></TR></TABLE>
ITR are 195 crank, 240 cc injector @ 42psi.
RC site is trying to sell injectors or is posting ~whp numbers.
310 are good enough for 200+whp on a NA bseries. If you are going FI then I'd go with the bigger injectors.
With ubberdata either will work. The 310cc will definiately be easier to set up though. The 310 should also be balanced, the RX7 ones won't be (not to the same degree). See RC's site for balancing benefits.
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