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plenum spacers?

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Old Aug 12, 2015 | 05:19 PM
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Default plenum spacers?

when fitting one of these do you have to get a custom fuel rail because wouldnt it move the rail further away from the injector hole?
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Old Aug 12, 2015 | 05:37 PM
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Originally Posted by Roosie
when fitting one of these do you have to get a custom fuel rail because wouldnt it move the rail further away from the injector hole?
If your on about a YB Cosworth then no.

You need the 14mm spacer and the fuel rail bolts up on the other side of the lugs but stays in the same position.
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Old Aug 12, 2015 | 05:40 PM
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Default plenum spacers?

I've seen these plenum spacers. Is there much performance gain when fitting one of these?
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Old Aug 12, 2015 | 08:36 PM
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I take it you need your map tweaked for one of these or will the map sensor self adjust?
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Old Aug 12, 2015 | 08:50 PM
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There's a few threads on here about them

I bought one for mine and it was never fitted when it was live mapped. I was told it wouldn't make a noticable difference unless it was over 450bhp (mines 4wd plenum)
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Old Aug 12, 2015 | 09:04 PM
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you still got it? do you want to sell it?
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Old Aug 13, 2015 | 04:19 AM
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Originally Posted by Roosie
you still got it? do you want to sell it?
It's the billet 14mm spacer from amebo engineering.

Make an offer mate it's just sitting in the packet still
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Old Aug 13, 2015 | 09:38 AM
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My fuel rail bolted straight on. I have modded my the elbow to get rid of the restriction too.

For my next engine, i will be using a hart/AS inlet
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