Blacking Cylinders - Stoved Enamel

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Keith.owen
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Blacking Cylinders - Stoved Enamel

Postby Keith.owen » Thu Feb 15, 2018 10:28 am

Hi,
Does anyone have any experience of the longevity of stove enamelling when applied to cast iron upper cylinder components (barrel and head)?

I have tried spray on stuff that I bought at Halfords and whereas it was ok at first it eventually rusted. I have also tried the Granville stuff but that rusted before I even used the head that I'd painted, even though I had cured it by placing the head on my wood burner.

Any input is welcome since I'd really like to try and get it right!

Also, any ideas as to what temperatures the head & barrel of a VH might reach?

Thanks,
Keith
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Re: Blacking Cylinders - Stoved Enamel

Postby pappleton » Thu Feb 15, 2018 5:26 pm

Hi Keith,
Stove enameled The cylinders on my Harley many years ago and its still good. That included 10 years of hot Long Island summers. Did the alloy heads and rocker boxes with VHT winkle finish and there ain't much left of it. All were grit blasted before application. So yes, I would definitely stove a cylinder again, I would even try it on an iron head. Smoothrite may also be an option or maybe two pack even. Adhesion always seems to be a problem on alloy though.
BR, Paul
Paul Appleton '53 VH plunger, '53 VHA rigid - in many boxes, '58 H.D. pan/shovel rigid

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Keith.owen
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Re: Blacking Cylinders - Stoved Enamel

Postby Keith.owen » Fri Feb 16, 2018 10:06 am

Hi Paul,
Thanks for the advice.

I did speak to Ashley at Andover Norton who I asked how they treat the cast iron barrels that they sell for Commandos and he told me that they get them stove enamelled, which should be good enough for me, but it is always beneficial to learn from other peoples experiences.

It is not particularly cheap (£45 + VAT per item) and since there are four items, it is not an inconsiderable amount should it not work out!!

Thanks again,
Keith
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1950 Rigid Ariel VH
1951 Rigid Ariel NH (under construction)
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Re: Blacking Cylinders - Stoved Enamel

Postby chris.vredenbregt » Fri Feb 16, 2018 10:33 am

What about cooling problems anyone thought about that ?
black ariel model G special 1930 500 OHV

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Re: Blacking Cylinders - Stoved Enamel

Postby ian.scott » Fri Feb 16, 2018 11:42 am

when I rebuilt my 35 VH for trials in 1983 I had the barrel and head stove enamelled. The barrel has lasted well although it got attacked by stones grit,mud etc it only very locally chipped, but the head burnt off near the exhaust port. However I'm sure that taking the use into account it lasted really well and never overheated even when the fins got clogged with mud.

Ian

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Keith.owen
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Re: Blacking Cylinders - Stoved Enamel

Postby Keith.owen » Fri Feb 16, 2018 2:17 pm

Hi,
Does anyone know what Ariel used to do to treat the cast iron engine components?

Keith
Keith Owen
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1950 Rigid Ariel VH
1951 Rigid Ariel NH (under construction)
1973 Norton 850 Commando Interstate


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