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Re: Speaking of Grose Jets...

To: "Simmons, Reid W" <reid.w.simmons@intel.com>
Subject: Re: Speaking of Grose Jets...
From: vafred@erols.com
Date: Fri, 02 Apr 1999 12:34:08 -0800
Cc: triumphs@autox.team.net
References: <1C866BFE7D63D211AC3E00A0C969E973011083EC@orsmsx39.jf.intel.com>
Simmons, Reid W wrote:
> 
> A couple of weeks ago I placed a large order with VB, and they were able to
> fill 25 out of the 26 items on my list.  The one item they did not have was
> the Grose Jet.  They told me it is not being manufactured anymore.  I have
> since heard this from another vender.  Has anyone else had this experience?
> 
> Reid
> '79 Spitfire
> 
>                 -----Original Message-----
>                 From:   Atwell Haines [mailto:carbuff@nac.net]
>                 Sent:   Friday, April 02, 1999 4:11 AM
>                 To:     trunnell@mindspring.com; spitfires@autox.team.net
>                 Subject:        Re: Stromberg carb problem, Chapter 2
> 
>                 Glenn,
> 
>                 Have you looked for vacuum leaks
> 
>                 A) caused by loose vacuum line 'elbows'
>                                      or
>                 B) the o-ring inside the needle adjusting screw?
> 
>                 These two things made MAJOR mixture differences on my car.
> 
>                 Have you tried both the Grose-Jet and the regular needle &
> seat on the
>                 floats? Is the float pivot pin in good shape? What is the
> manifold vaccuum
>                 at idle?
> 
>                 Atwell Haines
>                 '79 Spitfire
> 
>                 At 10:31 PM 4/1/99 -0500, Glenn Trunnell wrote:
>                 >
>                 >Hi,
>                 >
>                 >Just wanted to update  everyone on my crusade to make my
> Stromberg carb.,
>                 >perform the way I imagine it did when my car left the
> factory.  So far I
>                 >have rebuilt the carb myself, and then had it rebuilt by
> apple hydraulics
>                 >in NY.  It has new throttle bushings etc. but still will
> only idle well
>                 >when it's adjusted all the way rich.  I took the car to my
> local LBC shop
>                 >and they tinkered with it for about a day and then switched
> it with another
>                 >carb which seemed to run much better, they let me take the
> car for the
>                 >weekend to try out and see if I felt that it was running
> properly.  They
>                 >encouraged me to tinker with it, so I pulled off the top to
> examine the
>                 >needle and spring.  This is an early carb and has the B5CH
> needle installed
>                 >and what appears to be the same spring as my original carb.
> this carb is
>                 >also adjusted competely rich so no progress there.  The
> B5CH needle was
>                 >very worn, but looked much smaller than my B1DL needle
> that's in the
>                 >original carb.  Does anyone have the dimensions of these
> two needles?  I
>                 >have the Haynes weber/su/stromberg book and it lists the
> needle, but the
>                 >specs aren't there.  It seems that several pages are
> missing in that
>                 >section, does anyone else have the same problem with this
> book?  I have had
>                 >a head job done on this engine, but I'm beginning to
> believe that the
>                 >problem may be worn valve guides allowing a little extra
> air into the
>                 >cylinder when the intake opens, the car doesn't burn any
> oil, but Spitfire
>                 >heads are so under lubricated, there's not much oil up
> there to seep
>                 >through the guide and burn.  Does anybody have any
> experience with this
>                 >problem?  I'm going to try the carb cleaner test on the
> valve stems and see
>                 >if I can isolate the problem this weekend,  I'll keep ya'll
> posted on my
>                 >results.
>                 >
>                 >Glenn Trunnell
>                 >'79 Spitfire (I wish I had the Dual SUs)
>                 >
>                 >
>                 >


They speak with crooked tongue, they mean to say, not being made in 
"Far-East" (profit), call Joe Curto, Nisonger, BPNW, TRF, etc.

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