Trip computer?

[Pat Ford]

a few months ago circuit cellar ink ( a magazine)
had just that kind of beasty
 try

http://www.oztechnics.com.au/frame_car.htm

this beast keeps track of your injector on time

hope it helps


Previously, you (DIY_EFI Digest) wrote:
> 
> DIY_EFI Digest         Tuesday, July 27 1999         Volume 04 : Number 435
> 
> 
> 
> In this issue:
> 
> 	Trip computer?
> 	TPI into a 86 4x4 Suburban.
> 
> See the end of the digest for information on subscribing to the 
> DIY_EFI or DIY_EFI-Digest mailing lists.
> 
> ----------------------------------------------------------------------
> 
> Date: Tue, 27 Jul 1999 10:39:10 -0400
> From: Barry Tisdale <btisdale at cybersol.com>
> Subject: Trip computer?
> 
> I owned a Dodge Omni, early '80s carb version, which had an aftermarket trip computer installed.  It'd give you MPG, time to empty, miles & time to destination, etc.  Info needed by it was wheel rpm, time & fuel flow.  Flowmeter on fuel line to carb gave it that info.
> 
> Question:  are there any units available for FI engines, where a fuel flowmeter wouldn't be of much use?  Could you get *any* sort of accuracy calculating from rpm, bpw & throttle opening?  Maybe 2 flowmeters, one on supply rail, one on return line, subtract out from in?
> 
> Any thoughts from anyone?
> 
> Thanks - Barry
> 

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--
Pat Ford                           email: pford at qnx.com
QNX Software Systems, Ltd.           WWW: http://www.qnx.com
(613) 591-0931      (voice)         mail: 175 Terrence Matthews          
(613) 591-3579      (fax)                 Kanata, Ontario, Canada K2M 1W8