Home » Public Forums » GMCnet » [GMCnet] Multi port fuel injection
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| Re: [GMCnet] Multi port fuel injection [message #92835 is a reply to message #92828] |
Wed, 21 July 2010 20:09   |
jhb1
Messages: 303
Registered: February 2004
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Senior Member |
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Hi Steve
I would be one been using it since I got the coach in 04 no problems to speak of except when I bought it the mass air flow sensor wire was only making contact when it felt like, Replaced the heated wire element no problems since.
John H. Bell
77 Royale; QuadBag,Manny OneTon,Honda EV4010, FITech
Montreal Qc.
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| Re: [GMCnet] Multi port fuel injection [message #92864 is a reply to message #92838] |
Thu, 22 July 2010 08:18 |
Steven Ferguson
Messages: 3447
Registered: May 2006
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To make a long story short Larry. I bought a '69 SS El Camino that
has a built BBC engine in it and it had the Air Sensors unit
installed. I had never seen one these before so I started doing some
research. I think they stopped installing them back in the 80's but I
was amazed at the support out there for them. Then Bob Drewes
mentioned that he is running on of those on his GMC. I was beginning
to feel like a dummy because it seems like everyone has heard of these
things except me. I recently sold the El Camino and the buyer wanted
a 4bbl so I surgically removed the unit.
Hot Rod magazine used to publish tons of articles about these things
and everything from dune buggys to motorhomes got covered in their
articles. Anyway, here is a better look at the one I have (I have it
on Ebay right now).
250670396768
I'm going to get questions and I was hoping for some input from the net here.
On Wed, Jul 21, 2010 at 7:03 PM, Larry <weidnerl@wwt.net> wrote:
>
>
> Steven Ferguson wrote on Wed, 21 July 2010 17:27
>> Netters,
>> How many of you are running Airsensors multi port fuel injection?
>> Be nice now Gene.
>>
>> --
>> Steve Ferguson
>> '76 EII
>> Sierra Vista, AZ
>> Urethane bushing source
>> www.bdub.net/ferguson/
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> Steve,
> Any chance you are referring to the add in the Sept 2010 issue of Hot Rod...P49?
>
> I wondered the same thing when I saw the add.
> --
> Larry :)
> 78 Royale w/500 Caddy
> Menomonie, WI.
> _______________________________________________
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--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
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| Re: [GMCnet] Multi port fuel injection [message #92882 is a reply to message #92874] |
Thu, 22 July 2010 13:36 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Thanks Bob.
I thought I remembered you saying you had one of Airsensors units. I
must be losing my memory.
On Thu, Jul 22, 2010 at 8:46 AM, Bob Drewes <bmdrewes@iw.net> wrote:
>
>
> Steven Ferguson wrote on Thu, 22 July 2010 08:18
>> To make a long story short Larry. I bought a '69 SS El Camino that
>> has a built BBC engine in it and it had the Air Sensors unit
>> installed. I had never seen one these before so I started doing some
>> research. I think they stopped installing them back in the 80's but I
>> was amazed at the support out there for them. Then Bob Drewes
>> mentioned that he is running on of those on his GMC. I was beginning
>> to feel like a dummy because it seems like everyone has heard of these
>> things except me. I recently sold the El Camino and the buyer wanted
>> a 4bbl so I surgically removed the unit.
>> Hot Rod magazine used to publish tons of articles about these things
>> and everything from dune buggys to motorhomes got covered in their
>> articles. Anyway, here is a better look at the one I have (I have it
>> on Ebay right now).
>> 250670396768
>> I'm going to get questions and I was hoping for some input from the net here.
>
>
> Steve;
>
> No air-sensor on my GMC, it is a GM TBI, basically the size/type used on the 1 Ton Dullies. The air sensors had a habit of going lean because of a faulty injector, not to good on engine/valves.
>
> Bob Drewes in SESD w/GM TBI
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
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| Re: [GMCnet] Multi port fuel injection [message #92903 is a reply to message #92870] |
Thu, 22 July 2010 18:32 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Steve,
I believe I saw on another forum that the man who made those is
still in business.
And still servicing part for them.
Gary Kosier
----- Original Message -----
From: "Steven Ferguson" <botiemad11@gmail.com>
To: <gmclist@temp.gmcnet.org>
Sent: Thursday, July 22, 2010 10:42 AM
Subject: Re: [GMCnet] Multi port fuel injection
> Richard,
> Those are the kinds of questions I was hoping to find answers
> to on
> the net. Bob Drewes is a genius on this stuff. Please ask
> him. This
> particular unit came off 402 cu in big block Chevy with a
> radical
> camshaft. The motor easily redlined at 6,000 rpm. Maybe that
> info
> will help.
>
> On Thu, Jul 22, 2010 at 7:15 AM, Richard MacDonald
> <rm1936@gmail.com> wrote:
>>
>>
>> Steve, will iit work on the 455?
>>
>> --
>> Richard MacDonald
>> Punta Gorda, Florida
>> 76 Edgemonte TZE 266V102313
>> 94 K2500 6.5 Turbo Diesel Silverado
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
>
> --
> Steve Ferguson
> '76 EII
> Sierra Vista, AZ
> Urethane bushing source
> www.bdub.net/ferguson/
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Multi port fuel injection [message #92915 is a reply to message #92865] |
Thu, 22 July 2010 21:06 |
jhb1
Messages: 303
Registered: February 2004
Karma: 0
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Senior Member |
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Hi Steve
It is a hybrid 4bbl base with 4 injectors that fire in sequence depending on the configuration. It is a mass airflow unit so no tps or any other sensors needed in a speed density system like the howell or the newer Holley Projection units
John H. Bell
77 Royale; QuadBag,Manny OneTon,Honda EV4010, FITech
Montreal Qc.
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| Re: [GMCnet] Multi port fuel injection [message #92930 is a reply to message #92927] |
Thu, 22 July 2010 22:22 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Here it is installed before I removed it:
http://tinyurl.com/232ekjm
On Thu, Jul 22, 2010 at 8:18 PM, Steven Ferguson <botiemad11@gmail.com> wrote:
> John,
> That is the earlier version. The one I have is a multi port unit. Here it is:
> http://tinyurl.com/27tov6f
> It is a MAF unit though. That's the round, shiny housing in the background.
>
> On Thu, Jul 22, 2010 at 7:06 PM, jhb1 <jhbmjk@gmail.com> wrote:
>>
>>
>> Hi Steve
>>
>> It is a hybrid 4bbl base with 4 injectors that fire in sequence depending on the configuration. It is a mass airflow unit so no tps or any other sensors needed in a speed density system like the howell or the newer Holley Projection units
>> --
>> John H. Bell
>> 77 Royale
>> Montreal Qc.
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
>
> --
> Steve Ferguson
> '76 EII
> Sierra Vista, AZ
> Urethane bushing source
> www.bdub.net/ferguson/
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Multi port fuel injection [message #92952 is a reply to message #92882] |
Fri, 23 July 2010 07:11 |
Surbo
Messages: 213
Registered: February 2004
Karma: 0
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Senior Member |
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| Steven Ferguson wrote on Thu, 22 July 2010 13:36 |
Thanks Bob.
I thought I remembered you saying you had one of Airsensors units. I
must be losing my memory.
On Thu, Jul 22, 2010 at 8:46 AM, Bob Drewes <bmdrewes@iw.net> wrote:
>
>
> Steven Ferguson wrote on Thu, 22 July 2010 08:18
>> To make a long story short Larry. I bought a '69 SS El Camino that
>> has a built BBC engine in it and it had the Air Sensors unit
>> installed. I had never seen one these before so I started doing some
>> research. I think they stopped installing them back in the 80's but I
>> was amazed at the support out there for them. Then Bob Drewes
>> mentioned that he is running on of those on his GMC. I was beginning
>> to feel like a dummy because it seems like everyone has heard of these
>> things except me. I recently sold the El Camino and the buyer wanted
>> a 4bbl so I surgically removed the unit.
>> Hot Rod magazine used to publish tons of articles about these things
>> and everything from dune buggys to motorhomes got covered in their
>> articles. Anyway, here is a better look at the one I have (I have it
>> on Ebay right now).
>> 250670396768
>> I'm going to get questions and I was hoping for some input from the net here.
>
>
> Steve;
>
> No air-sensor on my GMC, it is a GM TBI, basically the size/type used on the 1 Ton Dullies. The air sensors had a habit of going lean because of a faulty injector, not to good on engine/valves.
>
> Bob Drewes in SESD w/GM TBI
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
|
Steve;
Whoops...my mistake, I thought you were talking about the 'old' air sensor units. Looks like some good equipment that could be installed on the Rockwell aluminum intake for the Olds in the GMCMH.
Bob D in SESD
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| Re: [GMCnet] Multi port fuel injection [message #93549 is a reply to message #93426] |
Tue, 27 July 2010 18:24 |
Steven Ferguson
Messages: 3447
Registered: May 2006
Karma: 0
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Senior Member |
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Richard,
No. There's no real reason why it shouldn't. The injectors will fit
any manifold made for them and it's infinitely adjustable as far as
cruise, part throttle, idle and acceleration.
But no, no one has chimed in. Jim K is familiar with the system as
is Bob Drewes.
On Tue, Jul 27, 2010 at 6:09 AM, Richard MacDonald <rm1936@gmail.com> wrote:
>
>
> Steve, any new information on this system as to it being used on the 455?
>
>
> --
> Richard MacDonald
> Punta Gorda, Florida
> 76 Edgemonte TZE 266V102313
> 94 K2500 6.5 Turbo Diesel Silverado
>
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
--
Steve Ferguson
'76 EII
Sierra Vista, AZ
Urethane bushing source
www.bdub.net/ferguson/
_______________________________________________
GMCnet mailing list
List Information and Subscription Options:
http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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