BigTex Posted April 6, 2005 Report Share Posted April 6, 2005 Try to export the data to a common format like a CSV file. Then email that to me at: richard @ z71.net Email me a print screen of it as well. I'd at least like to see Rpms, MAF Hz, MAF flow, Timing, Knock retard and any other PIDs you want to include. Link to comment Share on other sites More sharing options...
zippy Posted April 6, 2005 Report Share Posted April 6, 2005 i'll see what i can pull off. Link to comment Share on other sites More sharing options...
BigTex Posted April 9, 2005 Report Share Posted April 9, 2005 Where is the update file? I still cant view the log. Link to comment Share on other sites More sharing options...
zippy Posted April 9, 2005 Report Share Posted April 9, 2005 sent the file this morning to ya. i did find the problem though causing this. for some odd reason the maf has been re-mapped on this truck and at 12000hz it's set for 480.91gms. Link to comment Share on other sites More sharing options...
vdrumright Posted April 9, 2005 Report Share Posted April 9, 2005 sent the file this morning to ya. i did find the problem though causing this. for some odd reason the maf has been re-mapped on this truck and at 12000hz it's set for 480.91gms. <{POST_SNAPBACK}> Is that good or bad? Link to comment Share on other sites More sharing options...
zippy Posted April 9, 2005 Report Share Posted April 9, 2005 it's odd. i'm not positive, but i believe that's why it was hard to try to lean yours out. at first check the a/f ratio was 9.8:1-10.3:1. when you come back i'll try to change it and see if we can get you in the 11.7:1 area starting with that. i've personally never had to make a change in that area at this point. your maf is stock isn't it? Link to comment Share on other sites More sharing options...
vdrumright Posted April 11, 2005 Report Share Posted April 11, 2005 it's odd. i'm not positive, but i believe that's why it was hard to try to lean yours out. at first check the a/f ratio was 9.8:1-10.3:1. when you come back i'll try to change it and see if we can get you in the 11.7:1 area starting with that. i've personally never had to make a change in that area at this point. your maf is stock isn't it? <{POST_SNAPBACK}> Yes it is stock. I think Brian made an adjustement to it because I was consistently throwing a maf code. " MAF out of performance range" or something like that. Link to comment Share on other sites More sharing options...
BigTex Posted April 11, 2005 Report Share Posted April 11, 2005 the maf has been re-mapped on this truck and at 12000hz it's set for 480.91gms. Mystery Solved. Basically, his truck thinks its flowing more air than it really is and means its also adding more fuel than it needs. For a stock MAF, set the entire table back to its original values. Otherwise, it looks like he is just about to hit the 12000 limit at his peak airflow. This will go down as warmer weather set in. Link to comment Share on other sites More sharing options...
BigTex Posted April 11, 2005 Report Share Posted April 11, 2005 "MAF out of performance range" or something like that. There is setting you can change that raises the limit of this error. You certainly don't need to alter the MAF table. A similar error also may show up if the MAF is flowing too little air at idle (like its unhooked). Link to comment Share on other sites More sharing options...
hellbents10 Posted April 26, 2005 Report Share Posted April 26, 2005 Well it seems to be a regular thing at the shop now maxing the MAF's lol. Two customers within the last week we maxed em' out. One on a 2.8" pulley with a corsa cat-back and one with a 2.9" pulley and long tubes with a corsa cat back (loud). Link to comment Share on other sites More sharing options...
2bseen Posted April 27, 2005 Report Share Posted April 27, 2005 Mine is 49s?/sec it is on hptuners so I don't know if it is lbs or grams. This is on all motor. I need to check on the bottle #s. Link to comment Share on other sites More sharing options...
zippy Posted June 20, 2005 Report Share Posted June 20, 2005 since this is kinda the bench racing part of tuning... the truck i was working on this weekend i logged a 4.907 0-60mph with a spinning launch. when it arrived i ran a log on it and found it to be running in the low octane table. the first log showed the 0-60mph run to be 6.266. the truck was actually there just for a shifting problem. i thought it needed some touching up... Link to comment Share on other sites More sharing options...
vdrumright Posted June 20, 2005 Report Share Posted June 20, 2005 since this is kinda the bench racing part of tuning... the truck i was working on this weekend i logged a 4.907 0-60mph with a spinning launch. when it arrived i ran a log on it and found it to be running in the low octane table. the first log showed the 0-60mph run to be 6.266. the truck was actually there just for a shifting problem. i thought it needed some touching up... <{POST_SNAPBACK}> And waht a fine job you did.......... Link to comment Share on other sites More sharing options...
zippy Posted July 1, 2005 Report Share Posted July 1, 2005 in process of tuning another truck. the customer left the truck with me after having the trans rebuilt under warrenty. the 0-60 run this morning was a 4.797 by the hptuners log. not bad considering the stock cat back is still in place. it was a bit warm out, but still maxing the maf at 5800 and up. i will say it's taken me quite a few tunes to get the idle where it's acceptable. i have it idling almost stock again. Link to comment Share on other sites More sharing options...
zippy Posted July 2, 2005 Report Share Posted July 2, 2005 new 0-60 log time this morning. 4.625... ... at this level the first ten feet or say get pretty wild. the log shows the tires spinning to 22 mph almost instantly then back to 11 mph once they catch. from there up it's just a point and shoot. on the return route home i ran it to 136. tuning is almost done. Link to comment Share on other sites More sharing options...
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