Self-tuning EFI options/discussion
#1
Supreme Member
Thread Starter
Join Date: Sep 2001
Location: MN
Posts: 1,355
Likes: 0
Received 0 Likes
on
0 Posts
Car: 2009 Pontiac G8 GXP
Engine: LS3
Transmission: 6L80E
Axle/Gears: 3.27
Self-tuning EFI options/discussion
I don't want to hijack the EZ-EFI install threads on this...so hear is a new thread.
I have done some research on the EZ-EFI, Holley Avenger, Professional Products EFI (Powerjection III), etc. What system offers the best bang for the buck (under $2K) that has best options, etc. I am doing the research to upgrade from TPI, so I am not starting from scratch.
If I understand this properly:
EZ-EFI: Self-tuning, but limited in other control options, including no spark control
Cost: $895 for ECU and harness (retrofit to TPI)
Accel: No-self tuning, but has optional control of fans, spark, knock sensor, etc.
Cost: $1,800?
Powerjection 3: Self-tuning, good replacement for existing carb
Cost: $1700 for all, including TB
Thanks for the info...
I have done some research on the EZ-EFI, Holley Avenger, Professional Products EFI (Powerjection III), etc. What system offers the best bang for the buck (under $2K) that has best options, etc. I am doing the research to upgrade from TPI, so I am not starting from scratch.
If I understand this properly:
EZ-EFI: Self-tuning, but limited in other control options, including no spark control
Cost: $895 for ECU and harness (retrofit to TPI)
Accel: No-self tuning, but has optional control of fans, spark, knock sensor, etc.
Cost: $1,800?
Powerjection 3: Self-tuning, good replacement for existing carb
Cost: $1700 for all, including TB
Thanks for the info...
#2
Moderator
iTrader: (1)
Join Date: Mar 2002
Location: Chasing Electrons
Posts: 18,405
Likes: 0
Received 216 Likes
on
202 Posts
Car: check
Engine: check
Transmission: check
Re: Self-tuning EFI options/discussion
I don't want to hijack the EZ-EFI install threads on this...so hear is a new thread.
I have done some research on the EZ-EFI, Holley Avenger, Professional Products EFI (Powerjection III), etc. What system offers the best bang for the buck (under $2K) that has best options, etc. I am doing the research to upgrade from TPI, so I am not starting from scratch.
If I understand this properly:
EZ-EFI: Self-tuning, but limited in other control options, including no spark control
Cost: $895 for ECU and harness (retrofit to TPI)
Accel: No-self tuning, but has optional control of fans, spark, knock sensor, etc.
Cost: $1,800?
Powerjection 3: Self-tuning, good replacement for existing carb
Cost: $1700 for all, including TB
Thanks for the info...
I have done some research on the EZ-EFI, Holley Avenger, Professional Products EFI (Powerjection III), etc. What system offers the best bang for the buck (under $2K) that has best options, etc. I am doing the research to upgrade from TPI, so I am not starting from scratch.
If I understand this properly:
EZ-EFI: Self-tuning, but limited in other control options, including no spark control
Cost: $895 for ECU and harness (retrofit to TPI)
Accel: No-self tuning, but has optional control of fans, spark, knock sensor, etc.
Cost: $1,800?
Powerjection 3: Self-tuning, good replacement for existing carb
Cost: $1700 for all, including TB
Thanks for the info...
TCC lockup, DFCO, closed or open loop operation, the refinements of OEM GM code plus that of hi-performance code.
On board flash memory for the calibration, takes only a few seconds up update. Data logging, playback, analysis, documentation, all included.
RBob.
#3
Senior Member
Join Date: Nov 2006
Location: Camden, MI
Posts: 672
Likes: 0
Received 1 Like
on
1 Post
Car: 1985 IROC-Z28
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.73
Re: Self-tuning EFI options/discussion
after seeing what what the megasquirt autotune did to a friend's Turbo Grand Prix, i'm kind of hesitant to want any kind of "permanent" changes dictated by software...
but the EBL is actually the cheapest of all options mentioned so far and with what seems to be the most complete options list.
but the EBL is actually the cheapest of all options mentioned so far and with what seems to be the most complete options list.
#4
Member
Join Date: Dec 2003
Location: wv
Posts: 489
Received 0 Likes
on
0 Posts
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: Self-tuning EFI options/discussion
[QUOTE=Saar;4942016]after seeing what what the megasquirt autotune did to a friend's Turbo Grand Prix, i'm kind of hesitant to want any kind of "permanent" changes dictated by software...
Did your friend not have a wideband to monitor how the a/f was running? or what was the major problem with the megasquirt autotune...
The holley Dominator EFI setup looks pretty sweet....
Did your friend not have a wideband to monitor how the a/f was running? or what was the major problem with the megasquirt autotune...
The holley Dominator EFI setup looks pretty sweet....
#5
Senior Member
Join Date: Nov 2006
Location: Camden, MI
Posts: 672
Likes: 0
Received 1 Like
on
1 Post
Car: 1985 IROC-Z28
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.73
Re: Self-tuning EFI options/discussion
whatever software is intended to be used with the MS(tunerstudio?) was using the wideband signal to automatically adjust the VE tables, it decided to go WAY lean in a few spots(wideband might have been acting crazy?), combine that with boost and it killed headgaskets and sounds like it warped the heads since no HGs after that lasted a month.
#7
Supreme Member
iTrader: (33)
Join Date: Jul 2000
Location: Boosted Land
Posts: 5,945
Likes: 0
Received 1 Like
on
1 Post
Car: 92 Z28
Engine: Boosted LSX
Re: Self-tuning EFI options/discussion
Im by no means deep into tuning (running $59 on my boosted motor)see sig for info)
but even WITH something with auto tune as "HELP" he should have been watchig that wb02 guage ,etc..
Ive been considering getting rid of the 7730 and $59 in favor of something with auto tune. For ease of letting it do most f the work and then go in and "tweek" the rest of the stuff.
Been looking at the ebl. etc. I have a Holley 950 commander on the shelf also.
but even WITH something with auto tune as "HELP" he should have been watchig that wb02 guage ,etc..
Ive been considering getting rid of the 7730 and $59 in favor of something with auto tune. For ease of letting it do most f the work and then go in and "tweek" the rest of the stuff.
Been looking at the ebl. etc. I have a Holley 950 commander on the shelf also.
Thread
Thread Starter
Forum
Replies
Last Post