Hello/Beat that dead horse again!

Mike Rolica mrolica at meridian-mag.com
Fri Oct 29 18:39:47 GMT 1999


Reading in wards auto world, some of the DI motors VW and Audi are
experimenting with are down to .30-.35 NA and .45-.5 on s/c,T/C also
Mike Rolica
EXT. 260
 :-)


	-----Original Message-----
	From:	nacelp at jvlnet.com [SMTP:nacelp at jvlnet.com]
	Sent:	Friday, October 29, 1999 2:27 PM
	To:	gmecm at efi332.eng.ohio-state.edu;
'gmecm at efi332.eng.ohio-state.edu'
	Subject:	RE: Hello/Beat that dead horse again!

	Ohh, me just getting back to midget ponies again.
	On the BSFC some of the newer bikes suposidlly are down to .35
	.55 on a S/C  T/C  would be with good intercooling, .65 to .7 on
some
	stuff.
	Grumpy


	>Yes, 30lbs at what psi-39( stock) Like mine, 24lbs should be good
for 384 hp
	>but at 55psi= 29lbs which is good for 464 
	>Also remember that a naturally aspirate has a BSFC of .45.  Super
natural
	>:-) has about a BSFC of .55 (from most testing and reading I have
done.  So
	>to achieve his 600-650 hp he would have to have his 30lb injectors
set at 74
	>to 94 psi!
	>Is this a DI motor? (direct injection):-)  I smell something
Bruce....What
	>is it... it is coming from the screen!
	>Mike Rolica
	>EXT. 260
	> :-)
	>
	>
	>	-----Original Message-----
	>	From:	nacelp at jvlnet.com [SMTP:nacelp at jvlnet.com]
	>	Sent:	Friday, October 29, 1999 12:12 PM
	>	To:	gmecm at efi332.eng.ohio-state.edu; GM EFI List
	>	Subject:	Re: Hello/Beat that dead horse again!
	>
	>	Well, I got some good news an some bad news.
	>
	>	Eight 30 lb/hr injectors it a total flow of 240 lbs/hr, at
.5 per HP
	>	that's 480, and heated of the intake air from the S/C might
drop
	>that.
	>
	>	Doing chips once past the intial time to read up, and get
the
	>equipment
	>	isn't that hard, and for cuustom stuff you can get your
investment
	>back 
	>	quickly.  Plus your not always waiting for the mailman.
	>	Really on something like that/this  getting the car to
someone with
	>a 
	>	diacom, and doing a custom chip would be the only really
right way
	>
	>	Also, it will never be 100% right.  What you have outflow
the MAF by
	>a large 
	>	margin so WOT is going to be a compromise.
	>
	>	Where is Clarksville?.  Is that where the shop is?....
	>	I might be of some help inna week or so..
	>	Grumpy
	>
	>
	>	As a new subscriber to the list I just wanted to pop in and
say
	>hello to
	>	>everyone. I own a corvette restoration and performance
shop, and I
	>am always
	>	>looking for a better way to do something. My current
project car is
	>a Paxton
	>	>supercharged, stuffed to the gills 355, 1989 Corvette L-98
engine,
	>with 30
	>	>lb/hr injectors, and a fairly radical cam, with estimated
HP in the
	>range of
	>	>600-650 BHP.  The stock computer with a privatly burned
chip in it
	>is
	>	>working really well (esp. since most everyone said it could
not do
	>it.)
	>	>Anyway, the only small problems I am having with it, is it
is
	>idling
	>	>(hunting) between 5-700 rpm, and I need to get the idle up
to about
	>850,
	>	>with this lopy cam I designed for the engine. The other
problem is
	>with the
	>	>built in rev limiter, keeping the rpm under 5400, and this
needs to
	>be
	>	>raised to approx, 6400 rpms
	>	>So, who's got what suggestions, and who's the most
reasonable
	>person (that
	>	>knows what they are doing) to burn a new chip just like the
one
	>currently in
	>	>it (i.e- they need to be able to "read" the chip that is in
there
	>now), and
	>	>then make these two corrections to the programming?
	>	>Any ideas or suggestions? Someone in the general
Louisville, KY
	>(say within
	>	>200 miles), would be a big PLUS!
	>	>TIA
	>	>-Barrett
	>	>SCAR Corvette & Performance
	>	>1010 W. Hwy 131, Clarksville, IN  47129
	>	>(812) 941-0839
	>	>bluvette at scarcorvette.com
	>	>www.scarcorvette.com
	>	>
	>



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