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hey what are you guys' MAF readings (lbs min or g sec, either) at idle and at high rpm WOT (right before say 1-2 shift)? and what mods do you have?
slp cold air, whisper lid on my 99 i get .64 lb min idle and just under 20 lb min at WOT. no difference between clean new K&N and stock new AC air filter.
ASE Master, L1, X1, C1. Instructor in automotive systems. 99 3800 4L60E with a few mods and a greatful dead sticker on the back window.
Hey ... this is a great question. I ported and polished my throttlebody, but didn't have the atuotap before I did it. I wanted to compare some readings before and after to see what exactly would need to be tuned afterwards.
After P-n-P (with mods in sig):
Idle: MAF "reads" `0.75 lbs/min
(Note that the MAF screen IS in place or the idle reading varies between 0.55 and 0.91 lbs/min. )
WOT @ 5200 rpm: MAF "reads" 22.87 lbs/min
Air fuel at above WOT "reads" 11.9
On a side note ... porting and polishing WILL require you to do some creative MAF metering plate rework to get the MAF even in the ballpark... :eek:
[ May 18, 2002: Message edited by: MidLifeSpeed ]
[ May 18, 2002: Message edited by: MidLifeSpeed ]</p>
associate of <b><i>VENOM VI</i></b><br /><br />2000 WS6 Pewter TransAm M6<br /><b>NOT</b> stock<br /><b>330/346 rwhp/rwtq </b><br />(pre-headers)<br /><br />1998 3.8L V6 Camaro M5 (the Silver Bullet) w/lot\'s of bolt-on\'s<br />-Ryan\'s car now-<br />60\': <b><i>2.165</i></b><br />1/8 run: <b><i>9.494 @ 72.57 mph<br />209rwhp/253rwtq</i></b>
wow guys... do you have the SSPP or what???
i may hit the 20 lb/min mark at WOT right before 1-2 shift. on straight road of course... uphill i might suck in a little more...
but you guys are in the mid 20's??? that's excellent... i may have to polish this electronic TB (very carefully...)
and in case you were wondering my MAF screen is staying in.....
99 (drive by wire) vs older 3800's make a difference you think???
ASE Master, L1, X1, C1. Instructor in automotive systems. 99 3800 4L60E with a few mods and a greatful dead sticker on the back window.
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