[DeTomaso] Holley 750

[Tomas Gunnarsson]

Extending the vent upwards is not as effective as extending it horizontally over the bowl it's venting. The problem however is not so much the vent as the boosters as Will says. The booster issue is solved by extending the main jets. I'm not sure if that will cure it completely. I had my Torker intake machined level and it made no notable difference to me. Different intakes require different amounts of correction.

Tomas
----- Original Message ----- 
From: "Peter Kovacs" <peter-kovacs at sbcglobal.net>
To: "Will Kooiman" <wkooiman at earthlink.net>; <detomaso at realbig.com>
Sent: Monday, February 18, 2008 3:54 PM
Subject: Re: [DeTomaso] Holley 750


> Didn't someone on the forum run a hose or extension off the bowl vent that raised it so high is reduced or elimintaed the problem?
> 
> Will Kooiman <wkooiman at earthlink.net> wrote:  I had the same problems until I made a spacer that leveled the carburetor on
> the intake. No amount of adjusting the floats would help.
> 
> I drove down a back street with the air cleaner removed. I hit the brakes
> hard while looking out the back window. Fuel came gushing out the boosters
> - I think it was the rear boosters too (been a while - memory is fuzzy).
> 
> I tried adjusting the floats up and down to no avail. I even bought vent
> whistles only to discover that new Holleys come with them.
> 
> Not wanting to machine the intake, I bought a plastic carburetor spacer. I
> didn't have to do anything weird with the studs. The spacer fits just fine
> with straight studs, the carb fits next. The nut is slightly angled, but
> it's only a couple of degrees, so it isn't a big deal.
> 
> Of course, that's just one possibility.
> 
> Will.
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Peter Kovacs
> Sent: Sunday, February 17, 2008 11:34 PM
> To: Peter Kovacs; Leonejay at aol.com; detomaso at realbig.com
> Subject: Re: [DeTomaso] Holley 750
> 
> Evidently my keyboard is sticking more than your needle/seats, sorry
> 
> Peter Kovacs 
> wrote: check you float levels,
> needle and seats, etc. it sounds like you are getting more fuel than yo need
> and are starting to fllod the engine. Your giving it gas is really just
> giving is air (volume) to use your excess gas. Float too high? needle/seat
> sticking? fuel flowing out the vent tubes?
> 
> Leonejay at aol.com wrote: I have a Holley 750 duel feed. My problem is when I
> slow down to nearly a 
> stop I start to lose 500 rpm fast and motor shakes. I then must give gas to
> pick 
> up rpm. All ventures are getting fuel. And primaries are fine getting fuel. 
> Carb is very clean. Help
> 
> 
> **************
> Ideas to please picky eaters. Watch video 
> on AOL Living.
> 
> (http://living.aol.com/video/how-to-please-your-picky-eater/rachel-campos-du
> ffy/2050827?NCID=aolcmp00300000002598)
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> Peter Kovacs
> Property Equity & Mortgage Mgmt
> 209 345-6708 
> 209 523-4919 fx
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> Peter Kovacs
> Property Equity & Mortgage Mgmt
> 209 345-6708 
> 209 523-4919 fx
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> Peter Kovacs
>  Property Equity & Mortgage Mgmt
>  209 345-6708 
>  209 523-4919 fx
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