[Healeys] Jet-coating, wrap or do nothing to stainless headers?

[richard mayor]

I can only tell you about mild steel headers:  If you wrap them they will
deteriorate at a much faster pace.  If you ceramic coat them (and that is
done to both the inside and outside) it will increase performance as the
exhaust gasses will flow faster and it will also lower your under bonnet
temps and keep your carbs cooler.  But, .. there's more...... ceramic
coating them will preserve them for many , many years. They will not burn
up as all un-coated headers will eventually do.

On Sun, Nov 15, 2015 at 8:44 AM, <ATIGHTPROD at aol.com> wrote:

> Heat and this ethanol fuel is a definite problem with my BN1 and I'm sure
> the same happens with BN2's also and from what Keith is saying, it seems to
> also affect six cylinder folks as well. From what I heard, a lower boiling
> point for the fuel has a lot to do with why the "vapor lock" symptoms
> occur.
> This is how I solved my problem with that happening while stuck in
> traffic, starting up after sitting for a short time after a hot run, etc.
>
>
> This is a marine bilge fan I got off ebay, painted flat black and wired in
> next to my radiator for easy removal and no holes drilled. 3" flex off both
> sides, front goes to right behind grille and sucks cold air in. Rear goes
> right to front float bowl.
> Better view of install. Simple. My car is a driver and I had a terrible
> time with these new fuels, so the sight of the install doesn't bother me as
> it solved all those problems.
> The 3" flex is bent and pulled right to the float bowl. If I sit, I turn
> the fan on from a switch inside the cockpit and let it run for about 30
> seconds before firing up and now problem. When stuck in traffic, flick the
> switch and instant cold air stops vapor lock. When going down the road,
> flip the switch and the fan turns off.
>
>
> Steven Kingsbury
> BN1 #598
>
>
> In a message dated 11/15/2015 8:15:42 A.M. Pacific Standard Time,
> mottman55 at gmail.com writes:
>
> This is a really interesting survey, but what about paint?  I have a set
> of mild steel headers that I plan to put on a bugeye I'm restoring.  I
> don't really want to leave them bare, and I was planning on painting them
> with high-temp paint.
>
> On a slightly different note, my experience with heat and rough running in
> my BT7 is exactly the same as Bob's.  I have come to accept that it is
> 'normal' behavior for these cars although I've always wondered about
> wrapping the the exhaust manifold to decrease the heat load on the carbs.
>
> Keith
>
> On Sun, Nov 15, 2015 at 3:11 AM, Simon Lachlan <
> simon.lachlan at homecall.co.uk> wrote:
>
>> I have stainless headers going down into a big bore(?) exhaust.
>>
>> Opinions seem to vary as to the merits of wrapping, coating or doing
>> nothing to them .
>>
>> I have Webers above them, but I suspect, in my ignorance, that these are
>> maybe less prone to evaporation issues than SUs.
>>
>> What does the panel think?
>>
>> See attached for a well researched synopsis. (Not by me!)
>>
>> Simon
>>
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>
>
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