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ecu screws missing/what do i have

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infantry

10+ Year Contributor
48
0
Jul 30, 2008
cedar falls, Iowa
first i'd like to say hey.i'm new here been doing some reading but haven't posted til now. i'm pretty new to the dsm world and try to read and learn as much as i can. i also use the search button...anyway...
i looked at my ecu today and noticed 2 screws were missing from the cover.i opened it up and don't really know what i have.
if i've read correctly eprom vs non means there is a place to put a chip in the board,but i don't know what socketed looks like.
my board has a removeable chip with a sticker that reads(78/60awd boost
450cc 1g mas)
can someone help me out?
 
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From the sounds of it, it is an EPRom with a Keydiver chip installed. What are the current mods are on your car?
 

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i tried to post a pic but it told me it was the wrong format. i just got the car it's a 91 gsx. the only change i believe is the 16g turbo. i don't know if the fuel pump or injectors or anything else has been changed.
 
Sounds right, 450cc injectors are stock injectors for a turbo dsm, I would e-mail Jeff and see what that chip specifically does. I'm not familiar with the Keydiver chips but I'm guessing its a stage 2 with a 7800 RPM Rev Limit, with the 4500-5500 Stutterbox and 6000 RPM No Lift to Shift, plus whatever the boost gauge was converted to... But e-mail Jeff at DSM chips and he will tell you what has been done to it. I recommend taking it easy with the 16g turbo if you have no other fuel mods and no logger. You're very close to maxing out the 450cc injectors at high RPMs... If you get some extra cash, get a data logger so you can see what your engine is doing, until then run good gas through it and take it somewhat easy.

Edit: That is most certainly an eprom ECU
 
the car has been in the garage since i purchased it.it had a lot of probs including a bad turbo.i have replaced most of the bad and am in the process of buying other parts.one of which would be 550 injectors.i have also been looking into doing the 2g maf swap
 
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