Triple 4.2 SU inlet Manifold

Technical advice Q&A

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Julian.P
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Location: Colchester
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#1 Triple 4.2 SU inlet Manifold

Post by Julian.P » Thu Jun 21, 2018 7:59 pm

Managed to aquire a 4.2 inlet manifold, needs a little TLC, threads in the casting for water, vacuum outlets and temperature gauge switch need cleaning with a tap running through them, anyone know what thread sizes these are?
Many thanks in advance,

https://i.imgur.com/YFvdGt9.jpg
https://i.imgur.com/C6GUboZ.jpg

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tim wood
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#2 Re: Triple 4.2 SU inlet Manifold

Post by tim wood » Thu Jun 21, 2018 8:53 pm

Had mine helicoiled . 5/8 BSP from memory.


Tim
Series 1 FHC purchased 40 years ago. Courted my wife in it.
Series 1 2+2 when the kids were small now sold.
Series 1.5 OTS in opalescent maroon, Californian car. My retirement present.

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Topic author
Julian.P
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Location: Colchester
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#3 Re: Triple 4.2 SU inlet Manifold

Post by Julian.P » Thu Jun 21, 2018 8:59 pm

Hi Tim thanks for your reply, would that be for water & vacuum outlets?

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tim wood
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#4 Re: Triple 4.2 SU inlet Manifold

Post by tim wood » Thu Jun 21, 2018 9:18 pm

I only had the water outlet done. Sorry should have mentioned that .
Series 1 FHC purchased 40 years ago. Courted my wife in it.
Series 1 2+2 when the kids were small now sold.
Series 1.5 OTS in opalescent maroon, Californian car. My retirement present.

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Topic author
Julian.P
Posts: 112
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Location: Colchester
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#5 Re: Triple 4.2 SU inlet Manifold

Post by Julian.P » Thu Jun 21, 2018 9:24 pm

Hi Tim many thanks it’s the water outlet on mine as well...

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Topic author
Julian.P
Posts: 112
Joined: Sat Feb 02, 2013 7:14 pm
Location: Colchester
Great Britain

#6 Re: Triple 4.2 SU inlet Manifold

Post by Julian.P » Mon Jun 25, 2018 6:41 pm

I would just like to confirm thread sizes for the above, Heater and Vacume Outlets 3/8 BSPP, Temperature Gauge Sender 1/2 UNF, hope this be useful for someone in the future.
Julian.

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