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E38 ECU to control port injection

 
Old 02-16-2019, 10:20 PM
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Osman
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Default E38 ECU to control port injection

Has anyone used E38 ECU to control port injection on C7 ??? they are easy enough to get and cheap.
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Old 02-17-2019, 01:05 PM
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JHEBERT
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It’s been done, so the answer would be yes. Chris Crawford (Crawford Racing)
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Old 02-17-2019, 01:48 PM
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I haven't seen any threads or information or experiences with it...

Anyone willing to share anything ????
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Old 02-18-2019, 01:49 PM
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The short answer is yes it can be done. I did several kits with that ECM. I moved on from it, as the cheap cost of the ECM, did not justify the lack of features.
My current lineup of port injection controllers uses the Holley EFI ECU's, and are much more capable. Closed loop WOT wideband fueling, available spark control, traction control, boost control, transmission control, nitrous control, meth control, flex fuel.. the list goes on and on.
Feel free to reach out if you want to know more.

Chris
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Home of the CR-Fueler 100% plug and play port injection controller for all GM V8 direct injection engines.
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Old 02-18-2019, 03:13 PM
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There you go, from the man himself
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Old 02-18-2019, 03:31 PM
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KemahGT
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Originally Posted by Crawford-Racing.com View Post
The short answer is yes it can be done. I did several kits with that ECM. I moved on from it, as the cheap cost of the ECM, did not justify the lack of features.
My current lineup of port injection controllers uses the Holley EFI ECU's, and are much more capable. Closed loop WOT wideband fueling, available spark control, traction control, boost control, transmission control, nitrous control, meth control, flex fuel.. the list goes on and on.
If the C7 ecu already controls closed loop, traction, etc., why would you need the Holley? Are you using the Holley to replace all of these functions? If so, does it also control the direct injection?
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Old 02-19-2019, 09:50 AM
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Originally Posted by Crawford-Racing.com View Post
The short answer is yes it can be done. I did several kits with that ECM. I moved on from it, as the cheap cost of the ECM, did not justify the lack of features.
My current lineup of port injection controllers uses the Holley EFI ECU's, and are much more capable. Closed loop WOT wideband fueling, available spark control, traction control, boost control, transmission control, nitrous control, meth control, flex fuel.. the list goes on and on.
Feel free to reach out if you want to know more.

Chris
www.crawford-racing.com

When it comes to features over stock ECU, you can't beat Holley ECUs... especially WOT closed loop, that is one feature I would love to have.

Since my car is nothing crazy and in need of extra fuel, i think i will give this stock E38 ECU a chance and wire it in, take pictures, post my process/progress and hopefully help someone out.
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Old 02-19-2019, 10:58 AM
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Originally Posted by KemahGT View Post
If the C7 ecu already controls closed loop, traction, etc., why would you need the Holley? Are you using the Holley to replace all of these functions? If so, does it also control the direct injection?
In the case of the throttle, the c7 ECU controls it, you donít. Even after I found out how to get the throttle to open much sooner than the 1.7 sec the stock tune allows for, itís still not instant. The holley is leaps and bounds better because it is not a torque-based controller, itís not going to check with every electronic politician before it executes YOUR commands, itíll JUST DO IT. The stock ECU act like it needs approval from Congress (that they will deny or restrict anyway). The Holley is true black-ops, with NO oversight committee

Things like WOT closed loop fueling (e92 and e38 can never do that) and real traction control that actually makes you faster instead overcorrecting and pulling FAR more power than what is needed. Iíve been trying to get funds allocated for Crawfordís system as well as a new 2650, while keeping as much hidden from Congress (the wife) as possible

John
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Old 02-19-2019, 11:42 AM
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Originally Posted by JHEBERT View Post
In the case of the throttle, the c7 ECU controls it, you donít. Even after I found out how to get the throttle to open much sooner than the 1.7 sec the stock tune allows for, itís still not instant. The holley is leaps and bounds better because it is not a torque-based controller, itís not going to check with every electronic politician before it executes YOUR commands, itíll JUST DO IT. The stock ECU act like it needs approval from Congress (that they will deny or restrict anyway). The Holley is true black-ops, with NO oversight committee

Things like WOT closed loop fueling (e92 and e38 can never do that) and real traction control that actually makes you faster instead overcorrecting and pulling FAR more power than what is needed. Iíve been trying to get funds allocated for Crawfordís system as well as a new 2650, while keeping as much hidden from Congress (the wife) as possible

John
The stock ECU act like it needs approval from Congress <<<< probably the best description of stock C7 ECU i have seen so far...
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Old 02-19-2019, 12:38 PM
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Originally Posted by Osman View Post
Since my car is nothing crazy and in need of extra fuel, i think i will give this stock E38 ECU a chance and wire it in, take pictures, post my process/progress and hopefully help someone out.
Thanks, that would be great. Iím still learning all of this stuff. I like the idea of adding port injection but all of the pricing looks like Mercedes, BMW, Lamborghini solutions. Iím still on a Chevy budget! 🤑
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