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Supercharged Austin seven engine advice

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Supercharged Austin seven engine advice
Michael D Offline
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Joined: Sep 2018 Posts: 157 Threads: 11
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#65
25-04-2020, 01:36 PM
Questions to those in the know and who are boring themselves now that we are in lockdown:
As I'm working my way towards collecting bits and pieces to assemble a SuperCharger kit to fit in due time..
Do we stick to a 1-1/8 SU or do we need a larger or smaller one?
What needle and spring (I've got a No. 5 needle and green spring at present) .....
Has anyone ever considered / fitted an AMAL carb to an SC on an A7 and if so what type and what needle?
Do we fit the pop-off valve (I've got a Shorrock type pop-of valve) closest to the SC (as I've read elsewhere) or near the inlet manifold?
(The SC is an AISIN 500 by the way).

Any literature recommended / available any where ? I've been googling for books but haven't found anything useful on pre-war supercharging of small engines.

Thanks !
MD
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RE: Supercharged Austin seven engine advice - by Michael D - 25-04-2020, 01:36 PM

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