few ecm questions??

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Jul 23, 2005 | 06:05 PM

ladystoy69

Thread Starter

Burning Brakes

Joined: Jun 2003

Posts: 849

Likes: 1

From: dubuque iowa

few ecm questions??

hey was just woundering if anyone knows if i can use a megasquirt ecm and still retain my mpg, distance traveled, distance to go, display?
also if i where to just switch to the 165 computer i will need one with the correct memcal for a automatic corvette with 350 tpi, correct? or will others from camaros work as well? also how about the cold start injector, does it have to be from a car with that as well?
i have read the above sticky's and do not see this info..
so please insightfull ones, answer my please

thanks jerry

Last edited by ladystoy69; Jul 23, 2005 at 06:10 PM.

Jul 23, 2005 | 07:09 PM

Alvin

Drifting

Joined: May 2003

Posts: 1,730

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From: Charlotte NC

St. Jude Donor '05

there is no colc start on the later 165 computers nor the 730.

I do not believe the MPG distance traveled stuff will display without some big time hacking with the megasquirt

Jul 24, 2005 | 02:14 PM

tjwong

Le Mans Master

Joined: Jan 2003

Posts: 8,596

Likes: 19

From: Portland Oregon

Quote:

Originally Posted by ladystoy69

thanks jerry

You can leave your 165 ECM in place and piggy back the Megaquirt system on top existing system. All you have to do is to share some signals, keep the MAF in place and wired to the stock ECM, the in place of the ECT sensor you can install a 1/4 watt resistor with the right resistance value to simulate a normal running temperature to the stock ECM. Also you must share TPS Signal between the two ECMs, all that is needed to do this is to parallel the output from the sensor between the two ECMs. You should also be able to share the spark reference signals as well but I am not sure how the Megasquirt works in that respect, this way you can have your cake and eat it to

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