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Type: Posts; User: Pierrel

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  1. Alright, so. Ive followed the advice given by...

    Alright, so.

    Ive followed the advice given by you guys.
    Ended up removing some more fuel from cranking and adding a bit more startup airflow. Now the car starts decent when hot/heat soaked. Does...
  2. Thanks Alvin! I've read about the rich after...

    Thanks Alvin!
    I've read about the rich after reflash, and have been monitoring/filtering out the first part of the runs. Like you say, it takes about 15 min of driving before reaching normal Temps...
  3. Thank you for taking the time and effort into...

    Thank you for taking the time and effort into helping out!
    I will follow your guidance and will have a go at this in a few days. I will check out the MAF adjustments and try to get them much closer...
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    Great tool! Had a go at it yesterday and when i...

    Great tool!
    Had a go at it yesterday and when i finally got the work flow, its kinda neat.
    Any advice when running Maf freq low and high tables? Just work them one by one in two running programs...
  5. 9.7:1 Ls7 supercharged startup airflow, timing and hot start issues

    Hi Guys,

    Been asked by a friend to get his car running after modifications to seat the new piston rings and cam etc.
    Just want to verify a few things, and hopefully help out my issues.

    Ls7,...
  6. Thank you LS ROB! The person tuning the car put...

    Thank you LS ROB! The person tuning the car put it in OL between 1000-2000 rpm to settle driveability, thats why its in OL most of the time.
    Im unsure if the EOIT could affect this?



    Thank...
  7. LS7 leaking intake, cylinder pressure and irregular knock retard

    Hi,

    When on vacation last summer i started battling some heavy knock retard. At first it showed itself when the ambient temperature reached above 30 deg c, or 86 deg f. Then i couldnt even drive...
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    So we spent some time in the car yesterday. We...

    So we spent some time in the car yesterday. We checked WOT fueling which looked good.

    Before the drive i managed to get the old VVE table transformed to the new VE table format of the 2 bar OS....
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    Well, thats interesting! Ive read up on getting...

    Well, thats interesting! Ive read up on getting the VE data correct using GMVE and Ghuggins VE fueling calculations and i will try that tomorrow. Im guessing i will have plenty to do with other parts...
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    Changed to ID1050x, startup RPM flare

    Hi,
    Im helping a friend with his C6Z06 L7s equipped with a A&A supercharger and a bunch of mods. Intake, pistons, solid roller camshaft 246/260 0,657? lift and 114 LSA at .050. Boost is around 8...
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    Alright, i went at it 2 nights ago. As a pure...

    Alright, i went at it 2 nights ago.

    As a pure trial and error effort, I made 2 tune files, 1 of which had increased timing (34-40deg), and one with low timing(20-22deg) in the low load...
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    Yes, in OL it drives pretty good. In CL, at...

    Yes, in OL it drives pretty good.
    In CL, at higher gears, it feels like Im pulling a big bag of potatoes bouncing on the ground. At lower geards, say 1 or 2, the seatbelt keeps me in the seat...
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    Thank you! I am imagining this camshaft should...

    Thank you!
    I am imagining this camshaft should get to run good in CL all the time. Ive tried running it in OL below 2000 rpm and with a 1.050 PE setting, and have had almost no bucking/surging at...
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    Thanks Sub8! Will take the car out today and...

    Thanks Sub8!
    Will take the car out today and fine tune the maf again, and start tuning VVE in OL.
    The thing I'm having issues with is when I go Closed loop again, my trims will be off compared to...
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    That clears things up. Thank you very much! ...

    That clears things up. Thank you very much!


    Alright, I will give this a try. Just to clarify, I log every throttle setting individually, And no long driving session, correct?
    Thank you very...
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    Yes i had spaces in the text. Dont know if that...

    Yes i had spaces in the text. Dont know if that interferes.
    But can the scanner really calculate backwards with the Slope(-3000) live?
    As long as I can find a good, correct filtering of steady...
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    So I've been trying to find/use good filters to...

    So I've been trying to find/use good filters to avoid bad data when OL tuning the MAF with Wideband.
    Setup car in OL with DFCO off. Double checked in scanner to run pure OL mode.
    ...
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    C6Z06 Ls7 mild cam tuning by myself

    Hi everyone!

    Alright, put a smaller camshaft in my C6Z06 because i didnt like the big one i used to have
    Back at trying to tune this one myself, while learing new things every day.
    Specs
    Ls7 @...
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    Thanks, ill give that a try. Ive been running...

    Thanks, ill give that a try.
    Ive been running pretty low timings, and the bucking is there about just as much with 14 degrees as with 25 degrees. Im cruising at about 0.36-0.40g/s cyl airmass, will...
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    Will do, somethings not right. Thanks!! Figured...

    Will do, somethings not right. Thanks!!
    Figured id ask you what you'd set target at, even though i think i know why you left that out in your last post? You mean stoich target?
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    Checking MAF tune

    Thanks alot! Just wanted to confirm.

    I wanted to double check my MAF tune, and tried to use my AEM wideband in open loop. I forgot to put all the OL adders to 1, and had the car run around...
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    VVE tuning LS7 with big cam

    Hi,

    Ive got a big cam LS7 engine (BTR stage 4) thats been MAF only tuned. Im having some driveability issues, and wanted to try my hand at tuning the VE (or VVE) tables to run together with the...
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