RE: Changing 165 fuel delivery

[Mike Rolica <mrolica@meridian-mag.com>]

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Yes.. I think so.. loking at using a ford maf... but you loose resolution on
the idle side...what really needs to be done is a larger range aquired....
This is limited in the ecm... that is where the 16 bit comes in.... still
trying to figure out how to make it a 16 bit valuye..
Get increased tresolution.
Mike Rolica
Plant A,
Magnesium Products Division
Strathroy

(519)-245-4040  Ext. 265


		-----Original Message-----
		From:	Aaron G Kallotte [SMTP:akallotte@juno.com]
		Sent:	Friday, June 16, 2000 8:22 AM
		To:	gmecm@diy-efi.org
		Subject:	Re: Changing 165 fuel delivery

		Can the MAF be made to work with hi-po engines (by switching
the MAF or
		programming), or am I going to have to switch to MAP when my
Corvette is
		done?

		On Thu, 15 Jun 2000 19:37:12 -0700 romans@starstream.net
(Romans, Mark)
		writes:
		> The MAF calibration is affected by
		> 1) cutting out the screens.
		> 2) cutting out the heat sinks
		> 3) modifying air filter housings
		> 
		> I had BL at 140-150 at idle and 115 at cruse.  So I put
the injector
		> constant back to stock  (I had put in 19 lb injector
constant on 23 
		> lb
		> injectors).
		> I looked at BL and added the correction the ecm was making
% wise to 
		> the maf
		> calibration.  It seemed to be off about 10% in the below
15 
		> grams/sec range.
		> I raised all the settings by 10% and the BL came into line
at idle.  
		> BL was
		> fine at higher maf readings.
		> The maf will flow 750 cfm at 28" of water.  (Actually a
bit more) 
		> but the
		> software only reads to 255 grams/sec so it is in effect an
Alpha N 
		> system
		> once the maf maxes out. I max out the maf at about 4700
rpms with my 
		> 355.
		> 
		> Mike I'm thinking about converting to a 730 too.
		> 
	
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