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Manifold insulators & Parallel fuel mod

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Old 09 April 2009, 09:41 AM
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EddScott
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Default Manifold insulators & Parallel fuel mod

Can you still get those manifold spacers that were being sold on here a while ago? They seemed to work did they not - just looking to reduce temps and thought they were a good idea.

Also, assuming the spacers can be bought and I get them, I guess while the manifold is off I could change the fueling to parallel - again as a safety thing more than anything else.

How hard is it do to - never had the manifold off myself before.
Old 09 April 2009, 09:54 AM
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Moley
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Carl Davey, specialist Subaru Impreza parts supply

Old 09 April 2009, 09:55 AM
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banny sti
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Me again

You can get the spacers from here and I would also recommend the header tank spacers too:

Carl Davey, specialist Subaru Impreza parts supply

Carl Davey, specialist Subaru Impreza parts supply

It is quite a fiddly job to get the inlet manifold off as there as lots of pipes connected to it but a very worthwhile mod. You will also need four gaskets 2 for each spacer.

In regards to the parallel fuel rail, you will need some fuel hose and 2 brass t pieces which can be had from demon tweeks.

Banny
Old 09 April 2009, 10:52 AM
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EddScott
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Cor, there not cheap are they!

I thought about getting the tank spacers too. Bit nervous about taking the manifold off myself, wouldn't want to drop anything into the holes

Is the fuel mod worthwhile? I've been told that unless you mod the fuel lines never allow the fuel gauge to drop below 1/4 full.
Old 09 April 2009, 10:59 AM
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It is worth doing if you have the inlet fannymold off, the quarter tank thing relates more to fuel surge. The parallel rail mod is normally done to stop number 3 cylinder running lean as it is the last one fed on the standard setup and closest to the turbo.

Banny
Old 09 April 2009, 11:32 AM
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EddScott
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