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2 Hours Ago
dave w
replied to a thread
A elecritic gear selector to a 7427 PCM/paddles
in
GM EFI Systems
https://www.amazon.com/4L80e-stand-alone-controller-manual/dp/B0C2PMF168/ref=asc_df_B0C2PMF168/?tag=hyprod-20&linkCode=df0&hvadid=693381276952&hvpos=&...
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2 replies | 63 view(s)
2 Hours Ago
mishka509
started a thread
please help to recover PCM LS 1 GM
in
TunerPro Tuning Talk
please help to recover PCM LS 1 GM 2001 GMC 5.3L Serv. NO 12200411 , while writing calibration changes with PCM Hammer something went wrong and...
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0 replies | 24 view(s)
3 Hours Ago
dave w
replied to a thread
A elecritic gear selector to a 7427 PCM/paddles
in
GM EFI Systems
https://ls1tech.com/forums/automatic-transmission/1915007-4l80e-manual-control-using-relays.html
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2 replies | 63 view(s)
8 Hours Ago
Racprops
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
Well interesting ideas, running open loop..how?? Cut the O2 sensor?? tell me more. I know that these lean burn cruse do not tell how lean, I have...
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11 replies | 192 view(s)
20 Hours Ago
Gator
replied to a thread
Maf to s/d conversion
in
Fuel Injection Writeups Articles and How to New and Old
Thanks, Dave not using 10k jumper and wired as shown, belive I have a bad ecm ordered a replacement , reason being have issues with both circuts what...
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30 replies | 2003 view(s)
20 Hours Ago
steveo
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
on rigs like my big heavy jeep (no highway lean cruise) i just run open loop super lean with lots of timing in cruise range. great economy. just...
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11 replies | 192 view(s)
22 Hours Ago
Fast355
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
That would easily work as well. I have done that with both TPI and the old Edelbrock TBI to MPFI intake setup. The old MAFs are junk in my...
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11 replies | 192 view(s)
23 Hours Ago
steveo
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
totally agree. also despite its reduced precision, the 7427 is capable of highway lean cruise on a budget. there's just no need to try to run two...
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11 replies | 192 view(s)
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