[Healeys] Downpipes
Bob Spidell
bspidell at comcast.net
Thu Sep 19 08:52:55 MDT 2024
Good idea. Thanks.
The header is from AH Spares--originally from Cape Sports--anyone have
any experience with it?
bs
On 9/19/2024 4:55 AM, Robert Markovich wrote:
> Try Ah Spares for the down pipe, which is mostly to accommodate engine
> rocking without the exhaust system cracking. You can also bring the
> car to a good muffler shop that does custom fabricating and have them
> weld in a section of woven stainless flex pipe like the kind used on
> todays cars for the same reason. Had that on two Healeys so far and
> it’s muc more robust than the standard flex pipe.
>
>
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>
> On Wednesday, September 18, 2024, 11:45 PM, Bob Spidell via Healeys
> <healeys at autox.team.net> wrote:
>
> Listers,
>
> The exhaust downpipes for both 4- and 6-cyl cars have a section of
> flexible tubing before the connection to the muffler. I've always
> assumed this was to allow for the rocking of the engine, and the fact
> the system is affixed with fairly rigid hangers (at least, until the
> rubber part disintegrates). I've also heard the flexpipe is to allow
> easier fitment from the downpipe to the muffler, which won't
> necessarily
> be perfectly aligned. Of course, both reasons could be true.
>
> I'm asking the knowledge-based, LLM model List because I'm
> considering
> an aftermarket header from AH Spares for my BN2/100M. The repop down
> pipe I have now is malformed, and the clutch pedal arm comes in
> contact
> with it at full clutch pedal, and I've heard this is common in the
> repops (yes, I could just bash the downpipe, but that would be
> tacky and
> sometimes that can cause a ticking noise, which would annoy me even
> more). But, the AHS pipe doesn't have the section of flexpipe so I'm
> wondering if it's really needed. I have a TIG and I'm not terrible
> with
> it, but the header and, presumably the flex tubing are SS, which
> I'm not
> practiced in welding.
>
> Thanks for any suggestions.
>
> Bob
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