turbocharging my s-10, need help w\ ecm
turbocharging my s-10, need help w\ ecm
Im putting a syty turbo on my stock 94 s-10. ive been talking to the guys over at s-10forum.com, they told me to come over here and see what you guys think i should do about the computer. Im going to be running 8psi, and a boost refernced FPR. Ill also be using 350 injectors. I bought the BURN1 chip burner and the tunerpro software so i should have that this week sometime. I have been tuning ls1's for a while now using HPtuners, so im not exactly a newb to tuning, ive just never been inside of anything like this before... i also have a wideband 02 that i will be using. thanks for anyhelp. Also, a step by step big bird and barny style explanation would be the best
Joined: Jan 2005
Posts: 10,430
Likes: 500
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: turbocharging my s-10, need help w\ ecm
Im putting a syty turbo on my stock 94 s-10. ive been talking to the guys over at s-10forum.com, they told me to come over here and see what you guys think i should do about the computer. Im going to be running 8psi, and a boost refernced FPR. Ill also be using 350 injectors. I bought the BURN1 chip burner and the tunerpro software so i should have that this week sometime. I have been tuning ls1's for a while now using HPtuners, so im not exactly a newb to tuning, ive just never been inside of anything like this before... i also have a wideband 02 that i will be using. thanks for anyhelp. Also, a step by step big bird and barny style explanation would be the best

Re: turbocharging my s-10, need help w\ ecm
what if i switched my stock 16197427 computer over to the 1227749 computer? is this even possible? i read i write up on how to swith a 730 to a 749, but i dont know if i can swith my computer to a 749. If so, i thinks thats going to be my best solution. any ideas??
Re: turbocharging my s-10, need help w\ ecm
i was recently reminded that i need my stock computer for my transmission since it is the 4l60e... so i guess the syty computer is out of the question. Is there anyway on gods green earth that i can get my stock computer to read a 2-bar MAP effectively??
Joined: Jan 2005
Posts: 10,430
Likes: 500
From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
Re: turbocharging my s-10, need help w\ ecm
It would take some severe code modification, which is why I suggested MAF. MAF is already being used on the 427 PCM with an electronic transmission. You can get the late model GM plastic body 85mm MAF off ebay or at a local junkyard for under $50.00 in most cases. Grab the connector too. Splice 2 extra wires into the drac harness, run them to the PCM. Plumb the MAF, install the MAF wiring. Put Dimented24x7s Code on the chip and go for it. The MAF will read to somewhere around 500 RWHP.
Re: turbocharging my s-10, need help w\ ecm
Ive got a stock the stock MAF and connector off of my '00 WS6 laying around since i switched that over to sd, would that work? Im curious, how does this give me the ability to add fuel at boost then? thanks for the help, its greatly appreciated.
Re: turbocharging my s-10, need help w\ ecm
Also, what happens to the MAP tables?? do i still need to tune them? or are they dissabled? or are they both used and the MAF takes over after the MAP is out of its range? Like i said, i havent been inside of one of these ecm's yet, im still waiting on some hardware to come in the mail before i can actually start to tune.
Last edited by GreaseMonkey83; Oct 17, 2007 at 09:26 PM.
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Joined: Nov 2006
Posts: 455
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Car: 1984 Trans Am
Engine: Built chevy 350
Transmission: TCI Built 700r4
Axle/Gears: 3.73 posi 10 bolt
Re: turbocharging my s-10, need help w\ ecm
Then you can switch to a 749...life is good, do ya see the rainbow?
Last edited by 4playta; Oct 25, 2007 at 05:32 PM.
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