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Author Topic: Big turbo tune help.....please  (Read 11264 times)
_nameless
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« Reply #15 on: November 28, 2020, 08:17:50 AM »

if its a swap car what chassis? do you have the harness installed and setup working you need to add the e pedal for throttle control really should add brake switch and clutch switch too. vss needs to be wired up too
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chill gates
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« Reply #16 on: November 28, 2020, 08:19:32 AM »

tt vs 480 whp camaro   https://www.youtube.com/watch?v=caQMgL30vhQ&feature=youtu.be
https://www.youtube.com/watch?v=5UG1HcqFeQI&feature=youtu.be

tt vs 570 hp mk4 supra 6466 https://www.youtube.com/watch?v=Ze3Kub3bDHI&feature=youtu.be

cars on its 3rd stock gear box so no launch or nls

gtx3076, decap flex fuel silverado lm7 injectors, mafless (alpha-n) not speed density, 380 lph fuel pump, 2l 8v block and crank with piston rod combo, adr intake cam, e85 28-30psi  
Just absolutely walkin em


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chill gates
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« Reply #17 on: November 28, 2020, 08:20:35 AM »

if its a swap car what chassis? do you have the harness installed and setup working you need to add the e pedal for throttle control really should add brake switch and clutch switch too. vss needs to be wired up too
Yes everything is wired and functional


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« Reply #18 on: November 28, 2020, 08:38:26 AM »

Starting with the basics like fueling tvub is the injector dead times each injector size, brand, and possibly revision has it's own dead times that are supplied by the manufacturer. Tvub is the acronym for the dead times map. Calculated injection is next krkte is the name of that map. Injection is a decimal. Stock mk4 injectors are 317cc injectors and has a decimal of 0.103. So 317= 0.103. (317×0.103)÷630= new injection quantity. You will need a larger maf housing and you will need to scale that too. You can take the 3" housing from a vr6 or 225 tt
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« Reply #19 on: November 28, 2020, 08:42:08 AM »

Personally I get fueling right with the maf unplugged first with ltft off.
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chill gates
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« Reply #20 on: November 28, 2020, 08:43:00 AM »

Do have 3” housing already. And awesome thank you for the step in the right direction. Appreciate more than you know
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chill gates
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« Reply #21 on: November 28, 2020, 08:45:20 AM »

Personally I get fueling right with the maf unplugged first with ltft off.
What’s the benefit if any in mafless


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« Reply #22 on: November 28, 2020, 09:01:39 AM »

What’s the benefit if any in mafless


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for just starting out this isnt really something you wanna do long term. to get fueling sorted is one thing but besides that you need it. maf is the primary load input to the ecu and is used for fueling, and load calculations. id recommend getting fueling dialed first without that way youre not chasing your tail trying to iron out issues. if you have a boost or vacuum leak before the throttle you will be chasing your tail with hardware issues. one thing at a time. read the s4wiki tuning section and start learning the acronyms. start by looking at the community tune threads and take note of the basic maps for load calculation, torque, timing and requested fueling. unfortunately me7 is not anything like obd1 honda. for example you could tune a obd1 honda with similar setup on a emulator in about a week with zero experience while me7 will take you a full year of reading and soakup all your free time just to scratch the surface         
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chill gates
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« Reply #23 on: November 28, 2020, 09:07:30 AM »

for just starting out this isnt really something you wanna do long term. to get fueling sorted is one thing but besides that you need it. maf is the primary load input to the ecu and is used for fueling, and load calculations. id recommend getting fueling dialed first without that way youre not chasing your tail trying to iron out issues. if you have a boost or vacuum leak before the throttle you will be chasing your tail with hardware issues. one thing at a time. read the s4wiki tuning section and start learning the acronyms. start by looking at the community tune threads and take note of the basic maps for load calculation, torque, timing and requested fueling. unfortunately me7 is not anything like obd1 honda. for example you could tune a obd1 honda with similar setup on a emulator in about a week with zero experience while me7 will take you a full year of reading and soakup all your free time just to scratch the surface       
Exactly where I am at. And yes I’ve studied that particular s4wiki a few times. And you nailed it on barley scratch the surface. Sweating it over here. And also spend enough time searching the forum that the only thing I don’t think I’ve read was how to keep my GF interested after all this. Thanks buddy really appreciate you


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« Reply #24 on: November 28, 2020, 09:08:18 AM »

also i just wanna add before you make any changes checkout the me7 logger thread. get this setup and working on your car, learn how to read logs this by far is going to make or break your whole experience tuning on this engine management. generally me7 logs in csv format are the only accepted logs on the forum. vcds is nice but you can only log 3 blocks at a time and the resolution is not nearly as good as me7logger.    
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« Reply #25 on: November 28, 2020, 09:10:26 AM »

also i just wanna add before you make any changes checkout the me7 logger thread. get this setup and working on your car, learn how to read logs this by far is going to make or break your whole experience tuning on this engine management. generally me7 logs in csv format are the only accepted logs on the forum. vcds is nice but you can only log 3 blocks at a time and the resolution is not nearly as good as me7logger.    
Ok cool


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« Reply #26 on: November 28, 2020, 10:28:05 AM »

What’s the benefit if any in mafless

Do you mean alpha n or speed density?
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chill gates
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« Reply #27 on: November 28, 2020, 10:39:34 AM »

What’s benefits of either? Does it effect tps delay at all?


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« Reply #28 on: November 28, 2020, 10:42:16 AM »

Are you planning to write speed density in ASM in ME7.5?
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Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
chill gates
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« Reply #29 on: November 28, 2020, 12:38:59 PM »

That’s where you lost me


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