[DeTomaso] NPC-Carb boiling fuel?

[Tom Di Iulio]

Regulator is in place but I'm wondering about fluctuations. Will take a
closer look tomorrow, thanks!

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com]
On Behalf Of Art Stephens
Sent: Saturday, March 17, 2007 4:59 PM
To: ROBERT SIMPSON; Pantera Group; Tom Di Iulio
Subject: Re: [DeTomaso] NPC-Carb boiling fuel?

     If fuel pressure is too high,  maybe he needs a fuel pressure 
regulator?

Art


----- Original Message ----- 
From: "ROBERT SIMPSON" <r.simpson35 at verizon.net>
To: "Pantera Group" <detomaso at realbig.com>; "Tom Di Iulio" 
<diiulio at ix.netcom.com>
Sent: Saturday, March 17, 2007 5:01 PM
Subject: Re: [DeTomaso] NPC-Carb boiling fuel?


>I posted your question on a Camaro Club Forum I am a member of, hope
this
> helps.
>
> Post 1.  Somehow too much fuel is getting in - too much fuel pressure
> (something below 8psi is ok on a Holley), the float is set too high or
has
> sunk, or something has jammed the needle valve open.
>
> I'd suggest pulling the front fuel bowl and 'rebuilding' it, if the
carb
> otherwise seems ok. Dip the fuel bowl in carb cleaner for a couple
hours,
> get a new gasket set for it, change the needle/seat. If the float is 
> brass,
> if there's no fuel inside and no obvious damage or holes, its probably
ok 
> to
> reuse. If its a plastic float, replace it. They are somewhat known to 
> absorb
> fuel over time.
>
> Post 2. The float needle is the only way gas can get into the bowl.
> Therefore it is either dirt or bad float needle assembly or fuel
pressure 
> is
> too high. Would be odd if it's fuel pressure as it would always be an 
> issue
> hot or cold, assuming constant fuel pressure of course.
>
> Good luck
>
> Bob
> #3468
> ----- Original Message ----- 
> From: "Tom Di Iulio" <diiulio at ix.netcom.com>
> To: "Pantera" <detomaso at realbig.com>
> Sent: Saturday, March 17, 2007 12:20 PM
> Subject: [DeTomaso] NPC-Carb boiling fuel?
>
>
>> Hi all,
>> I have a friend with a 69 chevelle, 350 with holley (new) 650 dbl
>> pumper, mechanical secondaries. After the car has warmed up, the carb
>> will frequently barf up fuel thru the front air horn. This does not
>> happen with the back bowl. The carb bowls are not so hot that you
can't
>> touch them, they're relatively cool at the time so we're confused
about
>> advice regarding boiling fuel. It's as if the fuel is being pushed
from
>> the electrical fuel pump straight thru the carb, forming a
mini-geyser
>> at the front. Doesn't happen all the time but enough where driving
the
>> car is a dicey proposition.
>> Any thoughts or advice? Thanks
>> Tom Di Iulio
>> Denver, CO
>>
>>
>> _______________________________________________
>>
>> Detomaso Forum Managed by POCA
>>
>> Archive Search Engine Now Available at
http://www.realbig.com/detomaso/
>>
>> DeTomaso mailing list
>> DeTomaso at list.realbig.com
>> http://list.realbig.com/mailman/listinfo/detomaso
>>
>
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
>
> Archive Search Engine Now Available at
http://www.realbig.com/detomaso/
>
> DeTomaso mailing list
> DeTomaso at list.realbig.com
> http://list.realbig.com/mailman/listinfo/detomaso
> 


_______________________________________________

Detomaso Forum Managed by POCA

Archive Search Engine Now Available at http://www.realbig.com/detomaso/

DeTomaso mailing list
DeTomaso at list.realbig.com
http://list.realbig.com/mailman/listinfo/detomaso