perf-list-digest Monday, December 14 1998 Volume 01 : Number 171



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Ford Truck Enthusiasts - Performance
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In this issue:

FTE Perf - Low Lift Airflow
FTE Perf - Holley ID ????
Re: FTE Perf - Holley ID ????
Re: FTE Perf - Low Lift Airflow

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Date: Sun, 13 Dec 1998 10:34:59 -0600
From: "Dale and Donna Carmine"
Subject: FTE Perf - Low Lift Airflow

Muel said;
>The
>only other way to get there would be some kind of blower and then you might
>just blow the valve open if the boost is too high for the spring.

You are kidding, right? What are the peak pressures in a blown intake
system?

later,
dale c


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Date: Sun, 13 Dec 1998 21:43:55 -0600
From: "Dale and Donna Carmine"
Subject: FTE Perf - Holley ID ????

I pulled the Holley 4v carb off a '77 460 the other day and I'm confused
about what exactly I have. I'm hoping that you all can help.
It's a square bore, vac. secondary, electric choke carb, with fuel inlets
front and rear. The airhorn is stamped with list #3310-1, 2357 is stamped
just below. There is no Ford ID tag on the carb.
Is this a stock model 4160?? What size??

TIA
dale c
'79 351M

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Date: Sun, 13 Dec 1998 20:38:53 -0800
From: "Dave & Debby Anderson"
Subject: Re: FTE Perf - Holley ID ????

The #3310 is a vac. secondary 750 cfm. I think it was originally produced
for like a '66 Corvette although I don't know if they used a different list
# for that application. Don't think they were a factory offering on
anything else. The electric choke is interesting; probably a Holley
conversion kit as I think these came with a manual choke.

Dave


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Date: Sun, 13 Dec 1998 21:41:41 -0800
From: "Dave & Debby Anderson"
Subject: Re: FTE Perf - Low Lift Airflow

>You are kidding, right? What are the peak pressures in a blown intake
>system?

Depends on the boost level being used. It probably isn't a problem with
most of the relatively sedate over the counter blower kits available but
start looking for serious hp and I suspect it can happen.

One of the guys on a turbo list I belong to runs around 14.5 psi of boost
and claims 182 psi at the carb in a blow thru application. I'm not sure how
he calculated that and I don't know if that translates to 182 psi at the
intake valves (plenum volume would lower that I would think at least
initially) but if it does that figure is well above the closed spring seat
pressure that most of us would be running.

He's got a pretty good home page documenting his low-buck 351 twin turbo -
check out http://www.ford-trucks.com//lc/lc.php?action=do&link=http://www.geocities.com/MotorCity/Downs/8668/index.html

Dave

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End of perf-list-digest V1 #171
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