Chris LeBlanc wrote:
> I have a 77 spitfire with a weber dgav carb. I was driving and all
> was
> fine. I made a stop and when I started it back up it didn't want to
> rev
> up. It started wheezing (for lack of a better term) almost as soon as
> I
> pressed on the gas. Had to tow it home with my pickup.
> I started looking at the carb as it seemed like a fuel starvation
> problem. I checked the fuel pump and all seemed fine there. I pulled
>
> the main jets and idle jets to check for blocks and all looked good.
> The engine will idle all day, just can't get it past 2000 rpms. I
> watched the accelerator pump put a nice stream of gas in as I moved
> the
> throttle linkage. But after that point it wants to die. If I let off
>
> the throttle, the engine will catch itself. If I quickly move the
> throttle so that the pump is continuously pumping I can achieve higher
>
> rpms. It seems that at the transition to normal phase of the
> carburetor, something is wrong. I put a vacuum gauge on the nipple of
>
> the carburetor. This is normally hooked up to the vacuum advance on
> the
> distributor. As I accelerate and the engine begins to rev, the gauge
> reads fine, then right when it starts to wheeze the gauge drops
> dramatically. The only vacuum connection is from the carb to the
> distributor. There must be a vacuum leak in the carb itself, but I
> can't figure out where. I would greatly appreciate any ideas.
>
> As an aside, I need a new auto-choke body assembly. A piece is broken
>
> off and no one I can find sells just that piece. They're all happy to
>
> sell me a completely new carb though. Any ideas.
>
> Thanks,
> Chris LeBlanc
Chris, Call Fast Freddies at 714-540-3801. They might be able to order
the part you need.
--
Roger Helman 71 TR6 CC67866L
Digimation Inc. http://deepthought.digimation.com/rogerh/
New Orleans La.
www.digimation.com
Voice. 504.468.7898
Fax. 504.468.5494
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