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-   -   comp upgrades (http://www.toyota-supra.info/forums/mkiii-supra/1324-comp-upgrades.html)

skunk 07-22-2005 07:22 AM

Im looking for the best combo of computer upgrade and fuel pump, for my 87 turbo. I dont want new injectors.... yet, I just want to max stock injectors for now. Let me know if im over looking any thing.

Thanks :)

suprra_girl 07-22-2005 09:55 AM

well that depends on what you wanna do with the car

but fuel pump

walbro 255lph intank pump

ebay special ;)

skunk 07-22-2005 06:49 PM

well.. what I want to do is of corse kick the fuel cut, and run about 14 psi, im not shure if the injectors can handel that? a new turbo is in the works, so I want lots of upgradeability. I know I can do all this my self, but I thought sence your the supra expert, I should see what you think. My goal is to run about 350 whp. I have allready changed the head gasket and got arps.
Thank you :)

SupraMan1784 07-22-2005 07:04 PM

i say try goin with a piggyback if you want more power...therefore you can tune the car according to the powerband of the motor... a piggyback would also allow you to raise the fuel cut rather than just get rid of it...but make sure the motor can handle the higher engine speed, although im not sure if your stock injectors could handle 14psi...they will probably max out close to that point so i would suggest upgrading them if you plan to up the boost :ph34r:

skunk 07-22-2005 07:28 PM

ya thats what I ment I dont want to completly lose the fuel cut. thanks i will check out a nice piggy back. I checked out jet computers, but you have to send away the stock cpu and they reprogram according to what kind of power you want, I dont like that idea sence I am constantly wanting to upgrade.......thanks

suprra_girl 07-23-2005 08:15 AM

greddy emanage

ultimate tuneability

if you run a newer bigger turbo you will most likely upgrade intercooler piping, intercooler, boost etc
these will start leaning out your fuel mixture

with my mods i run 11.7:1 air fuel and that's only on 9psi (stock injectors)
i would upgrade the injectors to go with the ecu and other mods


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