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Old 03-01-2010, 10:15 PM   #1
turbogtu
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Default tgp ecm to run turbo on 1.9l saturn

Just searching the mods section and didn't see anyone running the turbo grand prix code. It uses a 7x crank trigger much like the saturn 1.9. You can use either the 88-94 grand prix 727 ecms or the beretta type 730 ecm. Just flash the eprom/eeprom with the moded tgp code. Changing values from 6 cylinder to 4, and remaping the fueling. THeres plenty of support for it. Like wideband and live datastream recording. Flash on the fly from moats.net. THough it will only work for the 5spd.

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Old 03-01-2010, 10:22 PM   #2
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Default Re: tgp ecm to run turbo on 1.9l saturn

Are you saying this is something you've done?

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Old 03-01-2010, 10:50 PM   #3
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Default Re: tgp ecm to run turbo on 1.9l saturn

Nope, haven't done it yet. Just throwing it out there as an option vs megasquirt or the like. I could see using the caviler 2.2 isuzu coil pack, modual to control spark.

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Old 03-02-2010, 12:19 AM   #4
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Default Re: tgp ecm to run turbo on 1.9l saturn

I dont see this working unless you're extremely retardely lucky.

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Old 03-02-2010, 12:18 PM   #5
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Default Re: tgp ecm to run turbo on 1.9l saturn

Quote:
Originally Posted by Leafy View Post
I dont see this working unless you're extremely retardely lucky.
While I'm a bit skeptical, it does have a chance if someone knows what they're doing.

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Old 03-02-2010, 12:21 PM   #6
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Default Re: tgp ecm to run turbo on 1.9l saturn

it has a chance if they use the same pcm, if the pcm is different then you just have to pray that the OS you install on the chip will be able to figure out what the titty **** is going on and get all the inputs and outputs right. oh and dont forget you'll have to fake a cam sensor by using that output from the saturn icm or actually add a cam sensor.

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Old 03-03-2010, 12:42 AM   #7
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Default Re: tgp ecm to run turbo on 1.9l saturn

The tgp code, ecm doesn't need a cam sensor since its not a a sequential injection ecm. Just needs a ICM from a caviler (were omiting the saturn ICM). Run it off the stock Satun crank trigger. The code just needs to be able to control the spark advance, and this ICM will "speak" its languag..ie pwm. The TGP code will work on the '730, '727, '749 ecm. These are found on 88-92 gm cars and rare syclone/typhon. I'd have to check my documentation but I think the sy/ty and grand am turbo code will also work on the cavi icm. The sy/ty has some 3bar codes out there or using the hacked $59 3bar code. TGP still uses the 2bar map sensor.

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Old 03-03-2010, 12:45 AM   #8
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Default Re: tgp ecm to run turbo on 1.9l saturn

Quote:
Originally Posted by turbogtu View Post
The tgp code, ecm doesn't need a cam sensor since its not a a sequential injection ecm. Just needs a ICM from a caviler (were omiting the saturn ICM). Run it off the stock Satun crank trigger. The code just needs to be able to control the spark advance, and this ICM will "speak" its languag..ie pwm. The TGP code will work on the '730, '727, '749 ecm. These are found on 88-92 gm cars and rare syclone/typhon. I'd have to check my documentation but I think the sy/ty and grand am turbo code will also work on the cavi icm. The sy/ty has some 3bar codes out there or using the hacked $59 3bar code. TGP still uses the 2bar map sensor.
You should probably be talking to people on sixthsphere.com about this stuff. Most of the people on this site are mainly interested in getting the best fuel economy they can. Sixthsphere is where most of the turbo guys are at.

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Old 03-03-2010, 12:49 AM   #9
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Default Re: tgp ecm to run turbo on 1.9l saturn

Shure as heck isnt plug and play. A whole lot of rewiring would have to be done. This is a 1993 Grand Prix 727 PCM.



And here is what a 91-95 PCM looks like



1996-1999:



2000-2002:


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Last edited by Low Saturn; 03-03-2010 at 12:55 AM..

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Old 03-04-2010, 09:29 PM   #10
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Default Re: tgp ecm to run turbo on 1.9l saturn

Ok, I see. Yup, nothing is plug and play, but having both wiring diagrams will help. Theres a site that list all the I/O of said ECMs. You'd have to use the Cavi or Beretta memcal though from a 4 banger since it has the spark "limp" mode tables in there.

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Old 03-04-2010, 09:36 PM   #11
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Default Re: tgp ecm to run turbo on 1.9l saturn

you might also be able to use the J-body pcm since those are also 7x crank triggers (and we wish they were 54x so that we could use LSJ and 2.4 bottom ends).

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