I have experienced that same cough and spray of fuel. I have learned that if I
have engaged the starting device to 1) let it warm up a bit before driving, and
2) be light on the throttle until warmed. If I do those two things I rarely
get it spitting back.
From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of
wwycoffbn7 at aol.com
Sent: March-16-18 6:25 PM
To: healeys at autox.team.net
Subject: Re: [Healeys] Healeys BN7 on ebay
Hi,
Our car came to us in the mid 70's with a fully functional auxiliary carb and
the OTTER switch. Visually, it is a pretty neat looking arrangement. The
engine started fine, warmed up and the switch would shut down the auxiliary
carb.
However, the cam and tune of our engines tended to cause the engine to
occasionally cough before fully warming up. When that would occur, a fine mist
of gas sprays out of the auxiliary carb all over the engine bay. A respected
Healey expert said to me that quite a number of these Thermo-carb equipped cars
burned down due to this feature and encouraged me to change the manifold and
carbs to the manual choke arrangement.
We did that conversion as part of a rebuild in 2001 and have been going fine
ever since.
Best Regards,
Bill
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