P72 or Chipped P28
11-04-2004, 12:12 PM
#1
**P72 or Chipped P28**
Okay well I just put my GSR motor in and a friend told me that my skunk chipped P28 wont work correct on my car because of the butterflies in the manifold. Well my car isnt running perfect.... it stutters when Im driving, (feels laggy). But when I hit 5900rpms, VTEC hits and it runs fine. I just want to know if I change the ECU back to a stock OBD1 P72, is it going to run better?
11-04-2004, 12:21 PM
#5
Re: **P72 or Chipped P28** (BauleyCivic)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BauleyCivic »</TD></TR><TR><TD CLASS="quote">And yes, unless you have a skunk2 manifold i'd use the stock ECU.</TD></TR></TABLE>
thx for the input
thx for the input
11-04-2004, 12:23 PM
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Re: **P72 or Chipped P28** (BauleyCivic)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by BauleyCivic »</TD></TR><TR><TD CLASS="quote">And yes, unless you have a skunk2 manifold i'd use the stock ECU.</TD></TR></TABLE>
so the stock gsr IM needs the P72 ecu to run the butterflies? Was doing a search to find out if they were hydraulicly or electronicly run. Now to look up and see what benefits a skunk2 IM would have over the 94 gsr IM.
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11-04-2004, 12:28 PM
#8
Re: **P72 or Chipped P28** (H.A.R.T B18C1EG6)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by H.A.R.T B18C1EG6 »</TD></TR><TR><TD CLASS="quote">bump for the needy 
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</TD></TR></TABLE>
11-04-2004, 12:37 PM
#11
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The P28 can be chipped to open the IAB's just like the P72 does. However, the P28 doesn't have a knock sensor board. You are giving up this capability, since your motor does have a knock sensor. You could chip the P72 with Uberdata and actually dyno tune it...
11-04-2004, 12:38 PM
#12
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Re: **P72 or Chipped P28** (StrikerX)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StrikerX »</TD></TR><TR><TD CLASS="quote">
so the stock gsr IM needs the P72 ecu to run the butterflies? Was doing a search to find out if they were hydraulicly or electronicly run. Now to look up and see what benefits a skunk2 IM would have over the 94 gsr IM. </TD></TR></TABLE>
The skunk2 im give you a little more in the mid to top end over the gsr manifold. if you run the p72 with a skunk2 mani you are going to be losing a little down low and there will be a dead spot where the primaries would open. This is why people run chipped p28.
GSR im = p72
skunk2 = chipped p28
so the stock gsr IM needs the P72 ecu to run the butterflies? Was doing a search to find out if they were hydraulicly or electronicly run. Now to look up and see what benefits a skunk2 IM would have over the 94 gsr IM. </TD></TR></TABLE>
The skunk2 im give you a little more in the mid to top end over the gsr manifold. if you run the p72 with a skunk2 mani you are going to be losing a little down low and there will be a dead spot where the primaries would open. This is why people run chipped p28.
GSR im = p72
skunk2 = chipped p28
11-04-2004, 01:23 PM
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Re: **P72 or Chipped P28** (Dengar)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dengar »</TD></TR><TR><TD CLASS="quote">
The skunk2 im give you a little more in the mid to top end over the gsr manifold. if you run the p72 with a skunk2 mani you are going to be losing a little down low and there will be a dead spot where the primaries would open. This is why people run chipped p28.
GSR im = p72
skunk2 = chipped p28</TD></TR></TABLE>
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.
The skunk2 im give you a little more in the mid to top end over the gsr manifold. if you run the p72 with a skunk2 mani you are going to be losing a little down low and there will be a dead spot where the primaries would open. This is why people run chipped p28.
GSR im = p72
skunk2 = chipped p28</TD></TR></TABLE>
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.
11-04-2004, 01:51 PM
#14
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Re: **P72 or Chipped P28** (StrikerX)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StrikerX »</TD></TR><TR><TD CLASS="quote">
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.</TD></TR></TABLE>
Basically. A p72 will run you just about the same as a used skunk2 manifold. I thought that AEBS does make a mani for the gsr. I could be wrong though. If you are going to be doing any kind of manifold swap, I would do it before you put the motor in the car. It would save you alot of headaches
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.</TD></TR></TABLE>
Basically. A p72 will run you just about the same as a used skunk2 manifold. I thought that AEBS does make a mani for the gsr. I could be wrong though. If you are going to be doing any kind of manifold swap, I would do it before you put the motor in the car. It would save you alot of headaches
11-04-2004, 01:58 PM
#15
Re: **P72 or Chipped P28** (StrikerX)
If the gsr manifold is like the h22 manifold, you can remove the sandwich style section that has the secondary runner buterflies. This will most likley take away from your low end, but it will help your top end for sure. Also, you won't need to buy a new intake manifold, or ecu. Just a cheap fix to your problem.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StrikerX »</TD></TR><TR><TD CLASS="quote">
so the stock gsr IM needs the P72 ecu to run the butterflies? Was doing a search to find out if they were hydraulicly or electronicly run. Now to look up and see what benefits a skunk2 IM would have over the 94 gsr IM. </TD></TR></TABLE>
The butterflies are operated electronicaly (which means you could also add an rpm activated switch to operate them instead of removing them completely), but the solenoid doesn't actually move the valves. The solenoid opens a vaccume port, and the vaccume is what moves the butterflies
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StrikerX »</TD></TR><TR><TD CLASS="quote">
so the stock gsr IM needs the P72 ecu to run the butterflies? Was doing a search to find out if they were hydraulicly or electronicly run. Now to look up and see what benefits a skunk2 IM would have over the 94 gsr IM. </TD></TR></TABLE>
The butterflies are operated electronicaly (which means you could also add an rpm activated switch to operate them instead of removing them completely), but the solenoid doesn't actually move the valves. The solenoid opens a vaccume port, and the vaccume is what moves the butterflies
11-04-2004, 02:42 PM
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Re: **P72 or Chipped P28** (StrikerX)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by StrikerX »</TD></TR><TR><TD CLASS="quote">
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.</TD></TR></TABLE>
get one of those blox intake manis, dirt cheap.
I have a 98 gsr head on a b16a block with a 94 gsr IM, going to put into my 94 civic ex to replace the D16Z6. I already have a chipped p28 in the car. Don't wanna have to get a new ecu unless the harnesses are the same, also kinda sux to lose out on the better programs on the p28. So my best bet for less hassle would be getting a skunk2 IM?? too bad AEBS doesn't have an IM for the GSR heads yet. they running cheap for the b16 heads.</TD></TR></TABLE>
get one of those blox intake manis, dirt cheap.
11-04-2004, 10:47 PM
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Re: **P72 or Chipped P28** (H.A.R.T B18C1EG6)
i'm not exactly sure what you mean by stutters. But if a poorly tuned p28 for your setup is the cause, then the p72 should correct it. vtec hitting at 5900 is ridiculously high for a stock gsr setup.
d
d
11-04-2004, 11:33 PM
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Re: **P72 or Chipped P28** (daver)
if you're running a gsr IM you should always run a stock gsr ecu. i have dyno sheets to prove why running a rechipped P28 with a GSR IM is uber-gay:
red line = stock p72
blue line = rechipped p28
notice how much bottom end to mid range i lost.
red line = stock p72
blue line = rechipped p28
notice how much bottom end to mid range i lost.
11-05-2004, 12:08 AM
#20
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Re: **P72 or Chipped P28** (BauleyCivic)
i used to run a p72 in my hatch with b18c motor...
after changing the to a skunk mani and a chipped p28....i just have to say...i love it....
after changing the to a skunk mani and a chipped p28....i just have to say...i love it....
11-05-2004, 01:50 AM
#21
Re: **P72 or Chipped P28** (daver)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by daver »</TD></TR><TR><TD CLASS="quote">i'm not exactly sure what you mean by stutters. But if a poorly tuned p28 for your setup is the cause, then the p72 should correct it. vtec hitting at 5900 is ridiculously high for a stock gsr setup.
d</TD></TR></TABLE>
i mean stutters as in it lags-goes-lags-goes-lags...... but really fast like a stutter
dont know if that helped. Im trying to trade a friend his OBD1 P72 for my P28
d</TD></TR></TABLE>
i mean stutters as in it lags-goes-lags-goes-lags...... but really fast like a stutter
dont know if that helped. Im trying to trade a friend his OBD1 P72 for my P28
11-05-2004, 05:21 AM
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Re: **P72 or Chipped P28** (H.A.R.T B18C1EG6)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by H.A.R.T B18C1EG6 »</TD></TR><TR><TD CLASS="quote">i mean stutters as in it lags-goes-lags-goes-lags...... but really fast like a stutter
dont know if that helped. Im trying to trade a friend his OBD1 P72 for my P28</TD></TR></TABLE>
my friend suffered from the same thing.. he put that GSR engine on his EK.. he just put a P73 (JDM ITR) ecu and it fixed his probem. it seemed to be the mapping on his ECU... im not sure, but up until now, he runs fine with no jerking or lagging
i do have a P73 ECU for sale if you'd like.
JDM Integra Type R P73 OBD II ECU $180 shipped next day
- it came with full swap, but was not needed since chipped P28 took its place
http://img.photobucket.com/alb...3.jpg
http://img.photobucket.com/alb...4.jpg
http://img.photobucket.com/alb...2.jpg
http://img.photobucket.com/alb...3.jpg
let me know if you are interested. i hope you fix your problem, dude.
dont know if that helped. Im trying to trade a friend his OBD1 P72 for my P28</TD></TR></TABLE>
my friend suffered from the same thing.. he put that GSR engine on his EK.. he just put a P73 (JDM ITR) ecu and it fixed his probem. it seemed to be the mapping on his ECU... im not sure, but up until now, he runs fine with no jerking or lagging
i do have a P73 ECU for sale if you'd like.
JDM Integra Type R P73 OBD II ECU $180 shipped next day
- it came with full swap, but was not needed since chipped P28 took its place
http://img.photobucket.com/alb...3.jpg
http://img.photobucket.com/alb...4.jpg
http://img.photobucket.com/alb...2.jpg
http://img.photobucket.com/alb...3.jpg
let me know if you are interested. i hope you fix your problem, dude.
11-05-2004, 06:39 AM
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Re: **P72 or Chipped P28** (94eg!)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 94eg! »</TD></TR><TR><TD CLASS="quote">The butterflies are operated electronicaly (which means you could also add an rpm activated switch to operate them instead of removing them completely), but the solenoid doesn't actually move the valves. The solenoid opens a vaccume port, and the vaccume is what moves the butterflies</TD></TR></TABLE>
A so there is a solenoid that is connected to the IM somehow that opens a vacuum for the butterflies on the part that is in the pic??? Does the p72 use the same wire harness as the p28 and do I need to route a knock sensor wire to it??
A so there is a solenoid that is connected to the IM somehow that opens a vacuum for the butterflies on the part that is in the pic??? Does the p72 use the same wire harness as the p28 and do I need to route a knock sensor wire to it??
11-05-2004, 08:17 AM
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Re: **P72 or Chipped P28** (Dengar)
yeah its obd1.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shifty35 »</TD></TR><TR><TD CLASS="quote">The P28 can be chipped to open the IAB's just like the P72 does. However, the P28 doesn't have a knock sensor board. You are giving up this capability, since your motor does have a knock sensor. You could chip the P72 with Uberdata and actually dyno tune it...</TD></TR></TABLE>
what program to what chip do i need for the p28 to open the IAB's?? hmmm let me look up knock sensor and find out if it will be an advantage/disadvantage to my setup.
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by shifty35 »</TD></TR><TR><TD CLASS="quote">The P28 can be chipped to open the IAB's just like the P72 does. However, the P28 doesn't have a knock sensor board. You are giving up this capability, since your motor does have a knock sensor. You could chip the P72 with Uberdata and actually dyno tune it...</TD></TR></TABLE>
what program to what chip do i need for the p28 to open the IAB's?? hmmm let me look up knock sensor and find out if it will be an advantage/disadvantage to my setup.