Carl -
The header to header pipe gasket is very prone to corrosive failure,
and as such if the flanges seperate the gasket will seperate and fail
permanently.
The only way to fix this is replace the flange gasket.
Alan
On 8/8/07, Dr. C. Rubino <ruvino@ripnet.com> wrote:
> ----- Original Message -----
> From: Dr. C. Rubino
> To: healeys
> Sent: Tuesday, August 07, 2007 9:09 AM
> Subject: AIR LEAK?
>
>
> In the last 50 miles of a 400 mile run I started hearing a variable hissing
> sound (like a small fan running fast) from under the hood.
>
> After checking it seemed to be coming from the front carb. Removed the
> carbs,
> re-newed all of the gaskets. At the same time I checked the jet
> diaphrams-one
> on the front carb was showing some hair line cracks but nothing all the way
> through. Checked the hoses-bowl connecting hose had quite a few cracks
> (couldn't be seen unless you were very up close) which was bound to go soon.
>
> Everything is replaced and same noise. This time I checked (with a hose to
> my
> ear) all around and found the noise coming from the front header pipe.
> Checked
> the tightness of the nuts and the first two were good for one and a half
> turns-seemed to quite it down considerably but noise still there.
>
> Your thoughts
>
> Carl
> BN-4(L)
> BJ-8 engine
> _______________________________________________
> healey.nut@gmail.com
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
--
Alan
'52 A90
'53 BN1
'64 BJ8
_______________________________________________
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
|