GEMS plenum fit?
GEMS plenum fit?
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Discussion

B-Reight

Original Poster:

905 posts

232 months

Sunday 17th February 2013
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So it looks like the current 65mm flapper plenum is a slight restriction on my current setup. I've seen a 72mm GEMS plenum for sale but don't know if the taller plenum will clear the bonnet, anyone sucessfully squeezed one in?

assynt road

379 posts

217 months

Sunday 17th February 2013
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Is this a Gems plenum? Its certainly doesn't look like a standard TVR one.
If it is i can confirm it does fit !!


jon haines

960 posts

276 months

Sunday 17th February 2013
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That looks exactly like mine of my 350i which is a standard plenum.

B@man

1,486 posts

234 months

Sunday 17th February 2013
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Elliot (www.mez.co.uk) can bore a standard one out to 72mm and fit you a new throttle plate, he did mine a couple of years or so back. I think he's on here too ?? I've used a hotwire plenum as the only difference is the cold start injector which was not connected anyway, does seem more responsive with the larger TB.

assynt road

379 posts

217 months

Sunday 17th February 2013
quotequote all
jon haines said:
That looks exactly like mine of my 350i which is a standard plenum.
Looks like I ought to pay more attention in class then! Mines clean, thought it must by newer;) than the rest of the engine.

B@man

1,486 posts

234 months

Sunday 17th February 2013
quotequote all