GMC Holley TBI

[mr.c]

Paul, you might want to also look at the howell-efi.com and see the one I
bought for the GMC. It is worth looking at.
al

> Emery:
>
> I would guess that Holley has fine tuned their TBI system in the intervening
> 6 years and probably inflated the cost, wouldn't you?? Any knowledge on
> what if anything they did??
>
> Does the Holley TBI system control spark timing using a knock sensor like
> TurboCity claims to do??
>
> I went to Holley's web site to look at their TBI offering. They have a
> number of them. Which system did you install?
>
> Do you have an opinion about the TurboCity TBI system vs. the Holley?
>
> When you say "It must be a high flow type", what gph rating are you
> talking??
>
> Paul Bartz
>
> From: EMERYSTORA [mailto:EMERYSTORA]
> Sent: Friday, August 13, 1999 10:02 AM
> Subject: Re: GMC: GMC Holley TBI
>
> I've had the Holley system for about 6 years. When I bought it the price
> was about $750 which included the closed loop system electronics and O2
> sensor. You'll definitely want the closed system because that will
> automatically adjust the fuel mixture for altitude, temp, etc.
> I've had two problems over the years. I've had a dirty fuel filter going
> into the pump which caused a starving condition that I thought was vapor
> lock at first. Don't use just any filter there. It must be a high flow
> type. The one provided by Holley is a small plastic filter but it works
> well. I tried another make first and it still starved for fuel.
> My second problem occurred last month. I suddenly lost most of my power on
> the expressway. The GMC wouldn't go over 35 to 40 mph. The engine ran well
> at low speed but would not rev up. I found that one of the two fuel
> injectors had burned out. This is an injector that plugs into the top of
> the casting that holds the two injectors. The problem was that the nearest
> one I could find was 150 miles away. I rented a car and drove 300 miles
> round trip to buy one. It was $69. I have another one on order to carry as
> a spare part. I have also carried a spare fuel pump and filters but haven't
> had to use them yet.

 

[mr.c]

Paul, I agree it does havd a knock sensor, and does use the distributor we
have. but it seems to work good. I did lose an injector, but that is a holly
and I understand holly has had some problems. I used it on my last two trips,
where I went from 8,000 ft to sea level and back, and it worked fine at all
altitudes.
al

> Al:
>
> I've been looking at it and also sent them e-mail a couple times with no
> response.
>
> However, it's my understanding that the Howell system is not as
> sophisticated as the TurboCity one (e. g. doesn't have a knock sensor and
> spark timing control).
>
> Paul Bartz
>
> From: mr.c [mailto:mr.c]
> Sent: Thursday, January 14, 1999 12:30 AM
> Subject: Re: GMC: GMC Holley TBI
>
> Paul, you might want to also look at the howell-efi.com and see the one I
> bought for the GMC. It is worth looking at.
> al
>

>
> Emery:
>
> I would guess that Holley has fine tuned their TBI system in the intervening
> 6 years and probably inflated the cost, wouldn't you?? Any knowledge on
> what if anything they did??
>
> Does the Holley TBI system control spark timing using a knock sensor like
> TurboCity claims to do??
>
> I went to Holley's web site to look at their TBI offering. They have a
> number of them. Which system did you install?
>
> Do you have an opinion about the TurboCity TBI system vs. the Holley?
>
> When you say "It must be a high flow type", what gph rating are you
> talking??
>
> Paul Bartz
>
> From: EMERYSTORA [mailto:EMERYSTORA]
> Sent: Friday, August 13, 1999 10:02 AM
> Subject: Re: GMC: GMC Holley TBI
>
> I've had the Holley system for about 6 years. When I bought it the price
> was about $750 which included the closed loop system electronics and O2
> sensor. You'll definitely want the closed system because that will
> automatically adjust the fuel mixture for altitude, temp, etc.
>
> I've had two problems over the years. I've had a dirty fuel filter going
> into the pump which caused a starving condition that I thought was vapor
> lock at first. Don't use just any filter there. It must be a high flow
> type. The one provided by Holley is a small plastic filter but it works
> well. I tried another make first and it still starved for fuel.
>
> My second problem occurred last month. I suddenly lost most of my power on
> the expressway. The GMC wouldn't go over 35 to 40 mph. The engine ran well
> at low speed but would not rev up. I found that one of the two fuel
> injectors had burned out. This is an injector that plugs into the top of
> the casting that holds the two injectors. The problem was that the nearest
> one I could find was 150 miles away. I rented a car and drove 300 miles
> round trip to buy one. It was $69. I have another one on order to carry as
> a spare part. I have also carried a spare fuel pump and filters but haven't
> had to use them yet.

 

[bruce herrin]

- -----------------------

Date: Thu, 12 Aug 1999 15:39:13 -0400
From: "Bartz, Paul"
Subject: GMC: Holley TBI

Bruce:

I'm curious what influenced you to choose the Holley vs. Howell,
TurboCity,
etc. TBI system?

Paul Bartz

Paul

How does $400.00 sound. I frequent my local speed shop and Holley is a
pretty good name and I couldn't pass up the price. A guy had it on his
truck for 3 months, decided to trade for something else and they
wouldn't give him more for trade so he took it off.

I had decided to put a Holley on some time ago, I think it's the same
size TBI Howell was using (670 cfm), They just customized it for the
GMC(uped the cost, I don't have a problem with that, but if I can do it
myself and save the $$'s)

It is the analog system not the new digital, but I don't need the bells
and whistles. I'll ad the O-2 Sensor to make it a closed loop system.
I'll let you know how I do.

Bruce
77 Palm Beach

__________________________________________________
From: Bruce Herrin [mailto:allherrin]
Sent: Thursday, August 12, 1999 3:38 PM
Subject: Re: GMC: House Batteries

In the process of installing disk (gusseted Caddy) brakes, Holley TBI,
Crane
ignition, Bilstein shocks, Poly bushings and just some minor updates on
the
interior.

 

[bartz paul]

Emery:

I would guess that Holley has fine tuned their TBI system in the intervening
6 years and probably inflated the cost, wouldn't you?? Any knowledge on
what if anything they did??

Does the Holley TBI system control spark timing using a knock sensor like
TurboCity claims to do??

I went to Holley's web site to look at their TBI offering. They have a
number of them. Which system did you install?

Do you have an opinion about the TurboCity TBI system vs. the Holley?

When you say "It must be a high flow type", what gph rating are you
talking??

Paul Bartz

From: EMERYSTORA [mailto:EMERYSTORA]
Sent: Friday, August 13, 1999 10:02 AM
Subject: Re: GMC: GMC Holley TBI

I've had the Holley system for about 6 years. When I bought it the price
was about $750 which included the closed loop system electronics and O2
sensor. You'll definitely want the closed system because that will
automatically adjust the fuel mixture for altitude, temp, etc.
I've had two problems over the years. I've had a dirty fuel filter going
into the pump which caused a starving condition that I thought was vapor
lock at first. Don't use just any filter there. It must be a high flow
type. The one provided by Holley is a small plastic filter but it works
well. I tried another make first and it still starved for fuel.
My second problem occurred last month. I suddenly lost most of my power on
the expressway. The GMC wouldn't go over 35 to 40 mph. The engine ran well
at low speed but would not rev up. I found that one of the two fuel
injectors had burned out. This is an injector that plugs into the top of
the casting that holds the two injectors. The problem was that the nearest
one I could find was 150 miles away. I rented a car and drove 300 miles
round trip to buy one. It was $69. I have another one on order to carry as
a spare part. I have also carried a spare fuel pump and filters but haven't
had to use them yet.

 

[bartz paul]

Al:

I've been looking at it and also sent them e-mail a couple times with no
response.

However, it's my understanding that the Howell system is not as
sophisticated as the TurboCity one (e. g. doesn't have a knock sensor and
spark timing control).

Paul Bartz

From: mr.c [mailto:mr.c]
Sent: Thursday, January 14, 1999 12:30 AM
Subject: Re: GMC: GMC Holley TBI

Paul, you might want to also look at the howell-efi.com and see the one I
bought for the GMC. It is worth looking at.
al

Emery:

I would guess that Holley has fine tuned their TBI system in the intervening
6 years and probably inflated the cost, wouldn't you?? Any knowledge on
what if anything they did??

Does the Holley TBI system control spark timing using a knock sensor like
TurboCity claims to do??

I went to Holley's web site to look at their TBI offering. They have a
number of them. Which system did you install?

Do you have an opinion about the TurboCity TBI system vs. the Holley?

When you say "It must be a high flow type", what gph rating are you
talking??

Paul Bartz

From: EMERYSTORA [mailto:EMERYSTORA]
Sent: Friday, August 13, 1999 10:02 AM
Subject: Re: GMC: GMC Holley TBI

I've had the Holley system for about 6 years. When I bought it the price
was about $750 which included the closed loop system electronics and O2
sensor. You'll definitely want the closed system because that will
automatically adjust the fuel mixture for altitude, temp, etc.

I've had two problems over the years. I've had a dirty fuel filter going
into the pump which caused a starving condition that I thought was vapor
lock at first. Don't use just any filter there. It must be a high flow
type. The one provided by Holley is a small plastic filter but it works
well. I tried another make first and it still starved for fuel.

My second problem occurred last month. I suddenly lost most of my power on
the expressway. The GMC wouldn't go over 35 to 40 mph. The engine ran well
at low speed but would not rev up. I found that one of the two fuel
injectors had burned out. This is an injector that plugs into the top of
the casting that holds the two injectors. The problem was that the nearest
one I could find was 150 miles away. I rented a car and drove 300 miles
round trip to buy one. It was $69. I have another one on order to carry as
a spare part. I have also carried a spare fuel pump and filters but haven't
had to use them yet.