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Older Activity
24 Minutes 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 | 1830 view(s)
25 Minutes 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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10 replies | 123 view(s)
2 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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10 replies | 123 view(s)
3 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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10 replies | 123 view(s)
6 Hours Ago
Fast355
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
Absolutely agree. My LS PCM recomendation was due to actually running them. He has a fantasy of lean cruise adding 5-10 mpg in something the weight...
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10 replies | 123 view(s)
9 Hours Ago
Racprops
started a thread
A elecritic gear selector to a 7427 PCM/paddles
in
GM EFI Systems
IS there any system to allow MANUAL gear selection?? Doing so with a column shifter is too hard to do in a hurry. Kind of like paddles? Rich
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0 replies | 26 view(s)
9 Hours Ago
dave w
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
The original writeup was for a 1227749, most of the information in the .pdf also applies to the 1227165
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10 replies | 123 view(s)
10 Hours Ago
dave w
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
Many gearhead-efi members including myself share ideas and information that come form personal experiences, including the school of hard knocks...
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10 replies | 123 view(s)
10 Hours Ago
Racprops
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
Gentlemen, I am NOT building a Hot Rod, I am building a MPG low RPM 383 its power curve is from 1000 to 3500 and HP to 4500RPMs. My money went...
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10 replies | 123 view(s)
10 Hours Ago
dave w
replied to a thread
Maf to s/d conversion
in
Fuel Injection Writeups Articles and How to New and Old
The schematics I have for the 7730 Sensors: F16 - MAT Signal B5 - MAT Ground (Low Reference) E16 - CTS Signal B6 - CTS Ground (Low Reference)...
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30 replies | 1830 view(s)
18 Hours Ago
In-Tech
replied to a thread
Running a 165 ECM along side a 7427 PCM
in
GM EFI Systems
Hiya's, My original thought was to just use the '7427 to handle it all. Man, that wiring harness price is great. Using a 24x crank and 1x cam...
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10 replies | 123 view(s)
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