Holley 4tbi to 7747

[Bruce Plecan]

-----Original Message-----
From: Shannen Durphey <shannen at grolen.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Tuesday, March 16, 1999 11:10 PM
Subject: Re: Holley 4tbi to 7747


The 730 has one P+H driver, ie 87 2.0L vin1.  Needs a repin to use it, and
it's for a single injector.

The sunbird turbos+Q4 used the 749 and it has 2 drivers each able to drive
two injectors.

The 749 Promgrammer is $15.95, no longer freeware.
Bruce


7749 has a real nice free-ware
>> >programming tool!
>> >Andy
>> >p.s. so are the holley injectors P+H?  The 749 and 730 are both P+H.
>> >right?
>> According to Holley, the injector coils have the exact same electrical
>> specifications as the GM 220/TBI injectors and are to be ideally driven
in a
>> 4/1 amp P&H configuration.   They certainly operate faster/crisper with
>> individual 4/1 amp drivers, than with two series pairs attached to two
>> drivers.   I am not too familiar with the 749, but if it has four 4/1
>> drivers, then that is probably the best way.  I guess I have some
homework.
>> Where can I find out about the free-ware programming tool mentioned
above?
>> Thanks;
>> walt.
>Thought there was a little note (P4docs) floating around which said
>one injector driver for the 749?
>Also, latest version of "freeware" is shareware, available at
>http://www.syty.org/
>Have fun.
>Shannen