[Healeys] BN 7 MkII heat shield
Alan Seigrist
healey.nut at gmail.com
Mon Jan 12 19:39:06 MST 2009
If you jet hot the headers, it will help immeasurably with boiling over on
the carbs.
Alan
'52 A90
'53 BN1
'64 BJ8
On Tue, Jan 13, 2009 at 12:49 AM, Peter Svilans <peter.svilans at rogers.com>wrote:
> John
>
> Here is a nice side view of the new 29E engine showing the early
> (single-layer
> of asbestos) heat shield from p.193 of Browning & Needham's 'Healeys and
> Austin-Healeys'
>
> And Gary, I would imagine that only a few hundred numbers into the new
> triple-carb 29E motor, they were still ironing out running and overheating
> problems, rather than improving the 'performance' as such, with their
> bigger
> balance pipe and better heat shield. By the way, the carb return springs
> were
> changed at that same point as well. Even with two asbestos layers the fuel
> in
> the rear bowl could STILL boil on occasion....
>
> Best
> Peter
>
> [demime 1.01d removed an attachment of type image/jpeg which had a name of
> Email0721.jpg]
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