MAP / MAF / Grain of Salt...

[Mark Romans]

The LS1 engine measures air in grams/sec/cyl.  Pretty accurate!
Mark
-----Original Message-----
From: Greg Hermann <bearbvd at sni.net>
To: gmecm at esl.eng.ohio-state.edu <gmecm at esl.eng.ohio-state.edu>
Date: Saturday, March 27, 1999 2:34 PM
Subject: Re: MAP / MAF / Grain of Salt...


>>By that calculation and given the manual states the '97 MAF range of
>>0 - 655 gm/S thats 873HP...well I can dream can't I. ;-)
>>Seriously, I will look at the table inside to see what range is
>>supported. I understand that the ecm tries to make sense of the
>>throttle, RPM and maf input. Should be interesting to see how it all
>>works.
>>-Tom
>
>Well--what pressure drop was it rated 655 gm/sec at?? At .707 times 655
>(463 gm/sec,) it would have only 50% of the rated pressure drop, etc. Mebbe
>they actually did not want the thing choking off the engine too badly!!
>But--you will lose dynamic range (sensitivity at low/idle air flows) if too
>much of this game is played. Such is the trouble with MAF.
>
>Greg
>>
>>Greg Hermann wrote:
>>>
>>> >At 10:12 AM 3/27/99 -0800, you wrote:
>>> >>
>>> >>You guys do relize that 255 g/sec is only about 300 HP ?
>>> >>Ward
>>> >>
>>> >What formula can be used to determine MAX theoretical HP from MAF?
>>>
>>> It takes about 1.3 cfm (@ sea level) to make 1 HP. Takes about .75
>>> g/sec to
>>> make one (SAE) HP.
>>>
>>> Regards, Greg
>>> >===========================================================
>>> >           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>>> >     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>>> >       I am Pentium of Borg...division is futile...you will be
>>> approximated.
>>> >===========================================================
>
>