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Author Topic: Inlet manifold query  (Read 1259 times)

Offline sliepner

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Inlet manifold query
« on: 31 August 2005, 20:21 »
I have 2 16v Mk2 Golf GTi engines.  1 with a 40mm inlet manifold, 1 with 50mm.  Can anyone tell me what the difference is & why there are two sizes available?

Cheers
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Offline Deefadog

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Re: Inlet manifold query
« Reply #1 on: 31 August 2005, 21:44 »
Not sure why, but the 40mm will give better touque lower down in the rev range but less top end than the 50mm!

I have just got hold of a 42mm one and am going to swap it for my 50mm, as i don't floor it too much, it should make the car feel more responsive!
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My 89 16v  /  Essential golf links

Offline rubjonny

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Re: Inlet manifold query
« Reply #2 on: 01 September 2005, 11:05 »
Easy to spot the diff between em, 40 mm inlet pipes are pretty much straight all the way, whilst 50mm bulge out a fair bit around the spark plug area.  Side by side its obvious :)

Edit: piccy
http://cgi.ebay.co.uk/VW-volkswagen-golf-GTi-16V-50mm-eurospec-inlet-manifold_W0QQitemZ4568807743
« Last Edit: 01 September 2005, 11:08 by rubjonny »
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Hello my name is John and I'm a dub addict.

Offline Deefadog

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Re: Inlet manifold query
« Reply #3 on: 01 September 2005, 11:16 »
Makes me laugh, the hugh difference in power when either one is sold! :) That went do alot! although it did look mint!

Any special tools need to get these off and on?
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My 89 16v  /  Essential golf links
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