Plenum

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BiggestNizzy
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Plenum

Post by BiggestNizzy » Sat Apr 16, 2011 2:34 pm

Further on from this thread

http://www.scottishelises.com/phpbb/vie ... =5&t=29686

I am about* to fit an aluminium plenum & 52mm throttle body onto my car there are lot's of sensors and tubes poking out of the thing. What do all the sensors do, DO they all get used in a 98 car ?
Sent from my ZX SPECTRUM +2A

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robin
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Re: Plenum

Post by robin » Sat Apr 16, 2011 5:31 pm

Not all alloy plenums are the same .. what engine did the plenum come off (or take some reasonably hi-res pictures and post them up).

Cheers,
Robin
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BiggestNizzy
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Re: Plenum

Post by BiggestNizzy » Mon Apr 18, 2011 1:53 pm

For some reason photobucket makes them small :(
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Rich H
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Re: Plenum

Post by Rich H » Mon Apr 18, 2011 2:11 pm

The flangey bit at one end it for the S2 MAP/MAT sender and needs blanking but you need a pressure tapping for the MAP sender somewhere.
1994 Lotus Esprit S4 - Work in progress
1980 Porsche 924 Turbo - Funky Interior Spec
2004 Smart Roadster Coupe - Hers

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BiggestNizzy
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Re: Plenum

Post by BiggestNizzy » Mon Apr 18, 2011 9:40 pm

Do you know what thread its is ?
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Rich H
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Re: Plenum

Post by Rich H » Mon Apr 18, 2011 9:52 pm

:lol: you of all people should be able to work that out!

I'd think it was m4 or m5 but I can't remember! My manifold still had the sender on it so I left it there!
1994 Lotus Esprit S4 - Work in progress
1980 Porsche 924 Turbo - Funky Interior Spec
2004 Smart Roadster Coupe - Hers

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roadboy
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Re: Plenum

Post by roadboy » Mon Apr 18, 2011 10:50 pm

Blank off the MAP sensor hole.

Use one of the take-offs below it for the MAP sensor and the other for the pressure reg.

Obviously bung the servo take-off.

Charcoal canister vacuum take-off, IACV and TB connections are all as per the plastic plenum.

HTH

Dan
SPS Automotive
Independent Lotus Specialists
http://www.spsautomotive.co.uk

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