pgm-fi vs. itbs
10-28-2004, 05:30 PM
#1
pgm-fi vs. itbs
i doin a k frank swap this winter into my eg and am just getting ideas. ive been pondering the itbs but just think about sticking with the multi port injection but thats why im posting is to see what everyone elses opinions are also. thanks
10-30-2004, 09:13 PM
#5
Re: pgm-fi vs. itbs (SiR-EK)
is there a point to all of this ?
does anyone here know how freekin huge your gas bill is going to be every month with 440cc injectors on ITB's ?
just some basic things to consider before you arbitrarily it seems spend 10K or so
does anyone here know how freekin huge your gas bill is going to be every month with 440cc injectors on ITB's ?
just some basic things to consider before you arbitrarily it seems spend 10K or so
11-01-2004, 03:36 PM
#7
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Re: pgm-fi vs. itbs (abaku)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by abaku »</TD></TR><TR><TD CLASS="quote">is there a point to all of this ?
does anyone here know how freekin huge your gas bill is going to be every month with 440cc injectors on ITB's ?
just some basic things to consider before you arbitrarily it seems spend 10K or so</TD></TR></TABLE>
Glad someone else relizes how bad gas milege can get with itb's .
does anyone here know how freekin huge your gas bill is going to be every month with 440cc injectors on ITB's ?
just some basic things to consider before you arbitrarily it seems spend 10K or so</TD></TR></TABLE>
Glad someone else relizes how bad gas milege can get with itb's .
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11-01-2004, 07:43 PM
#9
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Re: pgm-fi vs. itbs (90blackcrx)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 90blackcrx »</TD></TR><TR><TD CLASS="quote">
Glad someone else relizes how bad gas milege can get with itb's .</TD></TR></TABLE>
People told me the same thing when I went from FI to dual sidedraft carbs. Its all about how you tune the the areas of the curve/map that are utilized in daily driving.
Glad someone else relizes how bad gas milege can get with itb's .</TD></TR></TABLE>
People told me the same thing when I went from FI to dual sidedraft carbs. Its all about how you tune the the areas of the curve/map that are utilized in daily driving.
11-01-2004, 07:51 PM
#10
Re: pgm-fi vs. itbs (JaeOne3345)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JaeOne3345 »</TD></TR><TR><TD CLASS="quote">
People told me the same thing when I went from FI to dual sidedraft carbs. Its all about how you tune the the areas of the curve/map that are utilized in daily driving. </TD></TR></TABLE>
it really does'nt matter much, your going from a single 60mm metered opening to 4 42mm openings. In a super super light EK with perfect alignement and super aero I never saw better that 18mpg on a 280hp 2.0L
I raced a 280hp 1.8L with a standard ITR IM and it was way too close of a race for me to ever recommend going that route for a street car, especially with the lack of readily availiable filters for them
People told me the same thing when I went from FI to dual sidedraft carbs. Its all about how you tune the the areas of the curve/map that are utilized in daily driving. </TD></TR></TABLE>
it really does'nt matter much, your going from a single 60mm metered opening to 4 42mm openings. In a super super light EK with perfect alignement and super aero I never saw better that 18mpg on a 280hp 2.0L
I raced a 280hp 1.8L with a standard ITR IM and it was way too close of a race for me to ever recommend going that route for a street car, especially with the lack of readily availiable filters for them
11-02-2004, 03:38 AM
#11
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Re: pgm-fi vs. itbs (abaku)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by abaku »</TD></TR><TR><TD CLASS="quote">it really does'nt matter much, your going from a single 60mm metered opening to 4 42mm openings. In a super super light EK with perfect alignement and super aero I never saw better that 18mpg on a 280hp 2.0L
</TD></TR></TABLE>
gas milage depends on tunning. i was getting 24mpg with a spoon chipped p28 untuned with oem IM. now i'm getting 30mpg with ITB fairly tuned with vafc. but i'm not making 280hp either, probably close to 200whp. you need fuel to make power, so more power = need more fuel. ITB itself doesn't mean bad fuel milage, just need to tune it. race car with itb are not tuned for drivability, they are tuned for max power (unless its a daily driver/race car). that's why they have bad gas millage.
</TD></TR></TABLE>
gas milage depends on tunning. i was getting 24mpg with a spoon chipped p28 untuned with oem IM. now i'm getting 30mpg with ITB fairly tuned with vafc. but i'm not making 280hp either, probably close to 200whp. you need fuel to make power, so more power = need more fuel. ITB itself doesn't mean bad fuel milage, just need to tune it. race car with itb are not tuned for drivability, they are tuned for max power (unless its a daily driver/race car). that's why they have bad gas millage.
11-04-2004, 03:09 PM
#12
Re: pgm-fi vs. itbs (momstaxi)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by momstaxi »</TD></TR><TR><TD CLASS="quote">wouldn't you still be retain pgm-fi even if you had an itb setup?</TD></TR></TABLE>
no you would not because with fuel is injected in the intake manifold with pgm-fi but with itbs it is injected into the throttle body which is open air element and that is one of my main concerns is the control of the a/f ratio
no you would not because with fuel is injected in the intake manifold with pgm-fi but with itbs it is injected into the throttle body which is open air element and that is one of my main concerns is the control of the a/f ratio
11-04-2004, 03:53 PM
#14
Re: pgm-fi vs. itbs (bmxbrad521)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by bmxbrad521 »</TD></TR><TR><TD CLASS="quote">
no you would not because with fuel is injected in the intake manifold with pgm-fi but with itbs it is injected into the throttle body which is open air element and that is one of my main concerns is the control of the a/f ratio </TD></TR></TABLE>
youre an idiot. not all itb stups spray before the throttle plate. infact most dont. toda does, but others as well as the home made kind dont. and no fuel is not injected into the manifold on regular IM setups, it shoots straight into the head ports. controlling a/f has nothing to do with it either, only tuning controls that. and 280 whp NA, BS on a 1.8 bseries. there are also tons of filters available. fi I4 motorcycles run itb's stock.
no you would not because with fuel is injected in the intake manifold with pgm-fi but with itbs it is injected into the throttle body which is open air element and that is one of my main concerns is the control of the a/f ratio
</TD></TR></TABLE>youre an idiot. not all itb stups spray before the throttle plate. infact most dont. toda does, but others as well as the home made kind dont. and no fuel is not injected into the manifold on regular IM setups, it shoots straight into the head ports. controlling a/f has nothing to do with it either, only tuning controls that. and 280 whp NA, BS on a 1.8 bseries. there are also tons of filters available. fi I4 motorcycles run itb's stock.
11-22-2004, 03:48 PM
#15
Re: pgm-fi vs. itbs (hybridvteceg)
yea that was my point was the fuel is sprayed close to the cc where as with an itb it is not. but the main focus of that statement is that itb is different than a intake manifold type set up just to clarify my horrible way to express words 
11-22-2004, 04:35 PM
#17
Re: pgm-fi vs. itbs (hybridvteceg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hybridvteceg »</TD></TR><TR><TD CLASS="quote">
280 whp NA, BS on a 1.8 bseries. there are also tons of filters available. fi I4 motorcycles run itb's stock.</TD></TR></TABLE>
Hayabusa filters of any other filter does'nt fit aftermarket ITB's. ITG used to have some as I recall but they no longer import them or stop offering them all together.
And BTW when you claim WHP when no one else did you input becomes less than honest
280 whp NA, BS on a 1.8 bseries. there are also tons of filters available. fi I4 motorcycles run itb's stock.</TD></TR></TABLE>
Hayabusa filters of any other filter does'nt fit aftermarket ITB's. ITG used to have some as I recall but they no longer import them or stop offering them all together.
And BTW when you claim WHP when no one else did you input becomes less than honest
11-22-2004, 09:59 PM
#18
Re: pgm-fi vs. itbs (sans)
youre telling me you have tried every type of motorcycle itb, or even carb filters....?
and crank jhp doesnt mean anything so that comment was ridiculously unhelpful...
also please take an english class so you can form coherent sentences and learn proper grammar.
and crank jhp doesnt mean anything so that comment was ridiculously unhelpful...
also please take an english class so you can form coherent sentences and learn proper grammar.
11-23-2004, 06:16 AM
#19
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Re: pgm-fi vs. itbs (hybridvteceg)
aside from ITG, for sock style filters there are still UNI and even Pipercross, and these are readily available, along with ITG if you know where to look.
and for the record, whether or not an injector is before or after the throttle, whether or not you have 1 throttle poer cylinder, or the convential plenum style manifold with 1 TB, you'd still use pgm-fi (considering its not carburerted or mechanical injection).
pgm-fi = programmable fuel injection, whether its pgmfi on a plenum, or on a set of ITB's, lets get the terminology right around here.
and for the record, whether or not an injector is before or after the throttle, whether or not you have 1 throttle poer cylinder, or the convential plenum style manifold with 1 TB, you'd still use pgm-fi (considering its not carburerted or mechanical injection).
pgm-fi = programmable fuel injection, whether its pgmfi on a plenum, or on a set of ITB's, lets get the terminology right around here.
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