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lt10s 13bt help

Old 08-22-13, 07:37 AM
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lt10s 13bt help

hey there I recently had the lucky chance of having to change my 13bt due to water seals sigh haha.
anyways I have a extend port 13b s5 with hybrid to4b turbo all stock injectors
front mount 3 inch exhaust.
auto btw

I have recently purchased a lt10s with x4 and bosch coils.
I was looking over this site and found a couple of maps I wanted to wack in so I could just drive it to my tuners for this.

but my idle map reads different too all ones I found on net e.g

ones ive found
30hg 25hg 20hg 10 hg 5hg 0hg then so on goes to 20psi

and mine is
30hg 24hg 18hg 12hg 6hg 0hg and so on goes to 28psi
I believe this is because they sent me a 3bar map sensor.

but anyways is there a way I can change my settings to read as the above 30 25 20 10 5, or is that how it stays?

I really want to put a driveable tune (not to boost it but to start it run it and drive it) in

so if someone could please help would be appreciated.

thanks Jesse
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Old 08-22-13, 08:24 AM
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ive read manual several times and done lots of searches just to let everyone know.

thanks jesse
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Old 08-22-13, 06:08 PM
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As its a tune just to get running do some simple maths to convert to your load points.Drive carefully to your tuners and stay out of boost.
Standard injectors will probably be too small for that turbo so they need upgrading.

Last edited by rx3sum; 08-22-13 at 06:10 PM.
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Old 08-22-13, 09:53 PM
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Originally Posted by rx3sum View Post
As its a tune just to get running do some simple maths to convert to your load points.Drive carefully to your tuners and stay out of boost.
Standard injectors will probably be too small for that turbo so they need upgrading.
Yes I have secondary 12at injectors to put in after but we will see what I can get with the 550
As its a lil van so I don't need much kw just reliable.
And as for the simple maths if I knew it I wouldn't of asked on here . That's why I was hoping someone could please help me it would be most appreciated.

Thanks jesse
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Old 09-02-13, 11:20 PM
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Just load the base map provided on the microtech forum sticky. I believe silver rotor posted the thread and its a bit rich but safe. Load the map, calibrate tps, warm up the car, lock dizzy in at 5 Atdc and if you need to take some fuel away for smoother load. Well enough where you can drive it to a local tuner..
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Old 09-05-13, 01:51 PM
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switch the ECU to manual mode versus matrix and then all you have to worry about is the idle map and load map until the tuner can tune it.

specifically you should only be trying to adjust the fuel curves in the 18"Hg-2psi range until the car is drivable. in the idle map 2psi and beyond is irrelevant as they will never be used. if the car surges and wants to stall it is too lean(figures too low) and if it chugs and smells like a gas station it is running too rich. lower the numbers until you get to the point of the power surging and then add in a few clicks and you should be fine.

and yes, your ecu is setup for a 3 bar map sensor.

Last edited by RotaryEvolution; 09-05-13 at 01:54 PM.
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