<VV> Fw: Re: EFI Info Re: OBD-II for Corvair

Mon Oct 11 22:18:09 EDT 2010

OK, now we're getting somewhere !

This sounds like a great way to improve performance.

The only drawback to using the original carbs is on a 110, with only one 
carb per bank, but seems a definite improvement.

Where can I find his page with more information on how to get them and the 
rest of the "EFI stuff" ?

Thanks!
Charlie

----- Original Message ----- 
From: "Mark Durham" <62vair at gmail.com>
To: "shortle" <shortle556 at earthlink.net>
Cc: <virtualvairs at corvair.org>
Sent: Monday, October 11, 2010 4:39 PM
Subject: Re: <VV> Fw: Re: EFI Info Re: OBD-II for Corvair

> Timothy, Ray Sedman is helping me with my EFI project. He has a set of 
> carb
> tops that converts the carbs to throttle bodies. I happen to be boring my
> carb bodies out to remove the venturi, which gives you 15 extra HP in and 
> of
> itself from increasing the available air, but Ray has CAD designed the 
> tops
> to accept the fuel injectors, so in essence you could just unbolt the old
> throttle body, add his new top, and plumb in and add the other EFI stuff 
> and
> go. No mods to cylinder head or carb parts.
>
> Mark Durham
>
> On Mon, Oct 11, 2010 at 12:35 PM, shortle <shortle556 at earthlink.net> 
> wrote:
>
>>
>>
>>
>> -----Forwarded Message-----
>> >From: shortle <shortle556 at earthlink.net>
>> >Sent: Oct 11, 2010 1:33 PM
>> >To: Charles Lee <Chaz at ProperProper.com>, Mark Durham <62vair at gmail.com>,
>> FrankCB <frankcb at aol.com>
>> >Cc: virtualvairs at corvair.org, Fastvair at yahoogroups.com
>> >Subject: Re: <VV> EFI Info Re:  OBD-II for Corvair
>> >
>> >I think you guys are trying to reinvent the wheel. Ray Sedman in Calif.
>> and Chuck Ribblets in Colorado have probably perfected FI for the 
>> Corvair. I
>> know they have been doing this for quite awhile anyways.
>> >Timothy Shortle in Durango Colorado
>> >I like my Rochester HV's and will be driving them to Palm Springs in a
>> couple of weeks
>> >
>> >
>> >-----Original Message-----
>> >>From: Charles Lee <Chaz at ProperProper.com>
>> >>Sent: Oct 11, 2010 1:11 PM
>> >>To: Mark Durham <62vair at gmail.com>, FrankCB <frankcb at aol.com>
>> >>Cc: virtualvairs at corvair.org, Fastvair at yahoogroups.com
>> >>Subject: Re: <VV> EFI Info Re:  OBD-II for Corvair
>> >>
>> >>This is great, inspiring information !
>> >>
>> >>Maybe my DOA Fords can contribute their electronic devices to make the
>> >>Corvair OBD-II compliant (or nearly so, anyway) ?
>> >>
>> >>Might require some interfacing, but save some money on elecctronics I
>> >>already have ?
>> >>
>> >>The cars are a 1996 Probe and a 2000 Ford ZX-2, both OBD-II cars, so 
>> >>have
>> a
>> >>lot to contribute before I bury them in the back yard ?
>> >>
>> >>The "Arduino" (http://www.arduino.cc) is similar, but I have no
>> experience
>> >>with either, so it's just another adventure that be relevant to the
>> >>modernization of the Corvair ?
>> >>
>> >>Charlie
>> >>
>> >>
>> >>----- Original Message -----
>> >>From: "Mark Durham" <62vair at gmail.com>
>> >>To: <FrankCB at aol.com>
>> >>Cc: <virtualvairs at corvair.org>; <fastvair at yahoogroups.com>
>> >>Sent: Monday, October 11, 2010 10:55 AM
>> >>Subject: Re: <VV> EFI Info Re: OBD-II for Corvair
>> >>
>> >>
>> >>> Thanks Frank, its actually Charlie who is the receiver here. I've
>> already
>> >>> am
>> >>> about half way through my EFI project. And, I've already been on the
>> DIY
>> >>> EFI
>> >>> site quite a bit. Rather than building my own board, I bought a 
>> >>> rebuilt
>> >>> 1223370 GM 90-92 Camaro stick ECM and chip for $50. I just finished 
>> >>> my
>> >>> wiring harnesses for the ecm (3 of them) and have acquired most of 
>> >>> the
>> >>> parts. I'm modifying the carbs to straight throttle bodies boring out
>> the
>> >>> venturi and ecpanding the bore to 1.33", will make a new set of
>> throttle
>> >>> plates for it. Have all the sensors, etc. Just waiting for bad 
>> >>> weather
>> to
>> >>> bring the car inside (I still want to drive it on sunny days) and the
>> >>> conversion will begin!
>> >>> Mark Durham
>> >>>
>> >>> On Mon, Oct 11, 2010 at 10:16 AM, <FrankCB at aol.com> wrote:
>> >>>
>> >>>>  Mark,
>> >>>>
>> >>>> A good idea to get started with this is to go to
>> www.diyautotune.com
>> >>>> and click on the "Tech Articles" button to access a number of 
>> >>>> detailed
>> >>>> (with
>> >>>> pics) articles.  The first is a conversion of a carbureted Chevy V-8
>> to
>> >>>> throttle body EFI.  Others cover multiport EFI. Whether you use the
>> >>>> MegaSquirt or go to an EFI from a production car, these articles 
>> >>>> will
>> >>>> give
>> >>>> you a lot of insight into what's needed and how to go about it,
>> >>>> step-by-step.
>> >>>>
>> >>>> Incidentally, you can build your MegaSquirt from a kit of parts OR 
>> >>>> buy
>> >>>> one
>> >>>> already assembled.  If you build it yourself, I recommend getting a
>> >>>> Illuminated magnifying glass light as well as a temp. controlled
>> >>>> soldering
>> >>>> iron with a VERY small tip.  If you don't have experience soldering
>> micro
>> >>>> circuit boards, I suggest buying the already assembled unit.
>> >>>>
>> >>>> Frank Burkhard
>> >>>>
>> >>
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