[Healeys] Carb tuning kit WAS: HS4 Tri-carb tuning

[Tom]

I've always wondered:   what do each of those little tools in the tuning
kit do?

- Tom

On Mon, Jul 6, 2020 at 10:08 PM John Spaur via Healeys <
healeys at autox.team.net> wrote:

> Bob, raising the piston 1/32” is not my issue. I am wondering why the
> engine stalls when the center carb piston is lifted all the way up and the
> others don’t stall the engine when lifted all the way up. I sent another
> post with a link for that. The carbs are well synced, I used the S.U tuning
> kit to check the piston lift and they are spot on.
>
>
>
> *From:* Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of *Bob
> Spidell
> *Sent:* Monday, July 6, 2020 6:32 PM
> *To:* healeys at autox.team.net
> *Subject:* Re: [Healeys] HS4 Tri-carb tuning
>
>
>
> After much effort and consideration, I decided there must be some Brits
> who wrote that 'procedure' laughing their asses off knowing there is no
> practical* way to lift the pistons exactly 1/32"
>
> * But you can, if you have the little wire thingies in the poor man's
> tuning kit--actually quite useful--stick the wire thingies in the piston
> and gauge the piston rise; the wires themselves are pretty close to 1/32"
> thick
>
> On 7/6/2020 3:39 PM, John Spaur via Healeys wrote:
>
> I installed three brand new HS4 carbs on my BT7 this weekend. They seem to
> work really well with no load and light load on some very short test
> drives. The jet adjusting nuts are very close to what the old ones were set
> to. One of the tests is to lift the piston with the lifting pin as far as
> you can. That is supposed to stall the engine. However, this only works on
> the center carb. When I test the front and rear, it just slows the engine
> down a bit. What have others found when they do this test? BTW, I can
> hardly tell a difference in the engine speed when I lift the pistons 1/32”.
>
>
>
> TIA,
>
>
>
> John
>
> San Jose, CA
>
>
>
>
>
>
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