[Healeys] Cold Air Box

[Bob Spidell]

Side note: David Nock once showed me an 'original' 100M CAB. It was 
fab'd--not particularly well--out of sheetmetal and fastened with 
rivets. Anyone know when the fancy, cast(?) aluminum ones were added?

We have an aftermarket one, and I don't remember any issue finding bolts 
to fit. I'll look today to see if I can figure out what we used.

Bob

On 2/3/2021 3:49 AM, john harper wrote:
> Micheal
>
> If the airbox is not an original and aftermarket then the thread could 
> be metric.
>
> On Wed, 3 Feb 2021 at 05:35, Michael MacLean <rrengineer.mike at att.net 
> <mailto:rrengineer.mike at att.net>> wrote:
>
>     Can someone tell me what size thread is used to bolt the cold air
>     box to the HS6 carbs on my BN2?  I tried 5/16" UNF and BSF.
>     Neither fit.  They both start to thread in, but stop after less
>     than a turn.
>     Mike MacLean
>

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