DPFI oR MPFI whats easier?
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Honda-Tech Member
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From: Saint Paul, Minnesota, United States of America
DPFI oR MPFI whats easier?
i have a 1991 hatch dx
it is DPFI!!!
i wanna swap to B-series,
it looks complicating to do wiring harness
Is it easier to Go D-serieS d16z6 Vtec will all the harnessing be easier?? *OR will i be going DPFi or do i have to go MPFi
what is a good swap for DPFI??
it is DPFI!!!
i wanna swap to B-series,
it looks complicating to do wiring harness
Is it easier to Go D-serieS d16z6 Vtec will all the harnessing be easier?? *OR will i be going DPFi or do i have to go MPFi
what is a good swap for DPFI??
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Joined: Feb 2002
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From: Sacramento, CA, USA
Re: (1991hb)
You can actually run any single cam motor (D16Z6 included) with DPFI. And the car WILL get you from point A to point B. But you SERIOUSLY limit the output of the motor if you do so. Changing to MPFI is a DEFINITE requirement to realize the full potential of ANY motor you drop in there.
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From: utah
Re: DPFI oR MPFI whats easier? (chrisyaj)
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From: pukalani, hi, united states of america
Re: DPFI oR MPFI whats easier? (Boosted Chemist)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Boosted Chemist »</TD></TR><TR><TD CLASS="quote">Just an fyi, but the d15 on mpfi is kinda quick. (not fast but more fun than two injectors)</TD></TR></TABLE>
agreed much faster and sounds a little bit better also
agreed much faster and sounds a little bit better also
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Joined: Dec 2005
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From: So Cal
Re: (AnonymousSquid)
Coincedentally, I will be doing some "research" with a guy I know.
I'm stock DPFI, and he's stock with MPFI conversion. On Sunday, we plan on doing "testing" with the cars: We're going to check out MPGs and acceleration.
They are both relatively stock cars. More info to come...
I'm stock DPFI, and he's stock with MPFI conversion. On Sunday, we plan on doing "testing" with the cars: We're going to check out MPGs and acceleration.
They are both relatively stock cars. More info to come...
Re: (JustJesus)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JustJesus »</TD></TR><TR><TD CLASS="quote">Coincedentally, I will be doing some "research" with a guy I know.
I'm stock DPFI, and he's stock with MPFI conversion. On Sunday, we plan on doing "testing" with the cars: We're going to check out MPGs and acceleration.
They are both relatively stock cars. More info to come...</TD></TR></TABLE>
Cool, we swapped a buddy of mine dpfi to multi and went auto to 5 speed (dx) and that car was peppy, i was really surprised. I think he gets upper 30 mpg too.
I'm stock DPFI, and he's stock with MPFI conversion. On Sunday, we plan on doing "testing" with the cars: We're going to check out MPGs and acceleration.
They are both relatively stock cars. More info to come...</TD></TR></TABLE>
Cool, we swapped a buddy of mine dpfi to multi and went auto to 5 speed (dx) and that car was peppy, i was really surprised. I think he gets upper 30 mpg too.
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Joined: Dec 2005
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From: So Cal
Re: (Boosted Chemist)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Boosted Chemist »</TD></TR><TR><TD CLASS="quote">
Cool, we swapped a buddy of mine dpfi to multi and went auto to 5 speed (dx) and that car was peppy, i was really surprised. I think he gets upper 30 mpg too.</TD></TR></TABLE>
NICE! I'm sure the auto to 5spd helped with BOTH peppy and MPG. My DX is pretty peppy. Fun, especially for what it is. Don't get me wrong, it's not as fun as my B16 CRX! I'm averaging 32 MPG city, while currently between 38-40 HWY. I'm doing 45 miles one way to work right now.
I will probably start a thread on the whole DX and DPFI thing. To see if any of the mods i do help or not.
Cool, we swapped a buddy of mine dpfi to multi and went auto to 5 speed (dx) and that car was peppy, i was really surprised. I think he gets upper 30 mpg too.</TD></TR></TABLE>
NICE! I'm sure the auto to 5spd helped with BOTH peppy and MPG. My DX is pretty peppy. Fun, especially for what it is. Don't get me wrong, it's not as fun as my B16 CRX! I'm averaging 32 MPG city, while currently between 38-40 HWY. I'm doing 45 miles one way to work right now.
I will probably start a thread on the whole DX and DPFI thing. To see if any of the mods i do help or not.
Re: (JustJesus)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JustJesus »</TD></TR><TR><TD CLASS="quote">
NICE! I'm sure the auto to 5spd helped with BOTH peppy and MPG. My DX is pretty peppy. Fun, especially for what it is. Don't get me wrong, it's not as fun as my B16 CRX! I'm averaging 32 MPG city, while currently between 38-40 HWY. I'm doing 45 miles one way to work right now.
I will probably start a thread on the whole DX and DPFI thing. To see if any of the mods i do help or not.</TD></TR></TABLE>
I wish i had a d15b, my beater si hb has a b16a and im lucky to get low 30s
NICE! I'm sure the auto to 5spd helped with BOTH peppy and MPG. My DX is pretty peppy. Fun, especially for what it is. Don't get me wrong, it's not as fun as my B16 CRX! I'm averaging 32 MPG city, while currently between 38-40 HWY. I'm doing 45 miles one way to work right now.
I will probably start a thread on the whole DX and DPFI thing. To see if any of the mods i do help or not.</TD></TR></TABLE>
I wish i had a d15b, my beater si hb has a b16a and im lucky to get low 30s
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From: So Cal
Re: (Boosted Chemist)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Boosted Chemist »</TD></TR><TR><TD CLASS="quote">
I wish i had a d15b, my beater si hb has a b16a and im lucky to get low 30s </TD></TR></TABLE>
I agree. 30s isn't bad though! And we're probably off topic now!
I will see about starting the new thread on Sunday, after our testing
I wish i had a d15b, my beater si hb has a b16a and im lucky to get low 30s
</TD></TR></TABLE>I agree. 30s isn't bad though! And we're probably off topic now!
I will see about starting the new thread on Sunday, after our testing
Joined: Oct 2007
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From: brodhead, wi, usa
i took my brothers d15 and gave him my d16a6 and i made his d15 mpfi and boosted it at 9psi and put a si tranny in my crx...that d15 was actually realy realy fast.....so go mpfi and boost it u will have a beasty d series
Junior Member
Joined: Jan 2007
Posts: 221
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From: Merrillville, IN, US
Re: (twotoneDC2)
your going to need to do a MPFI conversion
heres a great writeup for it
http://hondaswap.com/swap-arti...49557/
good luck
heres a great writeup for it
http://hondaswap.com/swap-arti...49557/
good luck
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From: b00sting my D16s, SoWis, USA
Re: (ESP.net)
The wiring isn't too bad, its just time consuming to triple-check everything, get all the right plugs, and make it look OEM. I converted my original sedan from dpfi to obd1 d16z6 turbo, and it was a WORLD of difference. I took a d16z6 harness and merged it with the dpfi harness to make it all work & look stock. I went from loosing to saturns to beating WRX's.
I'm doing it all over this week to my auto dpfi d15 sedan, except I'm putting a Z6 intake onto the D15 head/block. <U>Its just time consuming</U>, but definately worth ever second.
FYI an obd1 B-series will be 95-100% compatable with an obd1 D-series harness, assuming your not going from non-vtec to vtec (or vice versa).
I'm doing it all over this week to my auto dpfi d15 sedan, except I'm putting a Z6 intake onto the D15 head/block. <U>Its just time consuming</U>, but definately worth ever second.
FYI an obd1 B-series will be 95-100% compatable with an obd1 D-series harness, assuming your not going from non-vtec to vtec (or vice versa).
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Joined: Feb 2002
Posts: 4,303
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From: Sacramento, CA, USA
Re: (HiProfile)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by HiProfile »</TD></TR><TR><TD CLASS="quote">FYI an obd1 B-series will be 95-100% compatable with an obd1 D-series harness, assuming your not going from non-vtec to vtec (or vice versa).</TD></TR></TABLE>
Interestingly, I find that the DPFI harness is MORE compatible with an OBDI swap than the MPFI harness. True, it lacks wiring for two injectors. But the ROUTING of the wiring is MUCH more similar. And I guess it is really only missing ONE wire vs a MPFI harness. For whatever reason, few people think to make use of the orange wire for the tandem valve control solenoid. But it can be used either for an injector OR for the heater control on the oxygen sensor. And when it comes to running that extra wire, I would MUCH rather do this than have to reroute the wiring on an MPFI harness to make it look clean on an OBDI motor.
Interestingly, I find that the DPFI harness is MORE compatible with an OBDI swap than the MPFI harness. True, it lacks wiring for two injectors. But the ROUTING of the wiring is MUCH more similar. And I guess it is really only missing ONE wire vs a MPFI harness. For whatever reason, few people think to make use of the orange wire for the tandem valve control solenoid. But it can be used either for an injector OR for the heater control on the oxygen sensor. And when it comes to running that extra wire, I would MUCH rather do this than have to reroute the wiring on an MPFI harness to make it look clean on an OBDI motor.