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Home > Help Needed / General Tech Chat > carb spacer

coopdog

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330 Posts
Member #: 9628
Senior Member

15th Jul, 2015 at 02:41:43pm

ive wired my boost gauge off this carb spacer but it doesnt give me any readings

im going to add another takeoff like the others i have

my questions is do i need to have the spacer fitted or can i just remove it?


PhilR

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696 Posts
Member #: 10034
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Birmingham

15th Jul, 2015 at 05:25:40pm

No reading at all ??? You need to work out why you're not seeing boost from take off in the spacer - I can't see any reason why that won't give you a reading, or for that matter, why placing the take-off 3cm away will make any difference.

At least on NA engines the spacer is preferred as the slightly longer inlet tract could give a bit more torque low down. Better to block it off the pipe or even replace with a thicker one. If you really feel the need to remove it, make sure the butterfly can open fully without catching on the manifold casting.

wil_h

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9258 Posts
Member #: 123
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Betwix Harrogate and York

15th Jul, 2015 at 07:20:28pm

It is a bit odd that you get no reading.

But you'll need the spacer of the throttle cam will hit the inlet. Even with the spacer mine hit.

Fastest 998 mini in the world? 13.05 1/4 mile 106mph



On 2nd Jan, 2013 fastcarl said:
the design shows a distinct lack of imagination,
talk about starting off with a clean sheet of paper, then not bothering to fucking draw on it,lol

On 20th Apr, 2012 Paul S said:
I'm mainly concerned about swirl in the runners caused by the tangential entry.


coopdog

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330 Posts
Member #: 9628
Senior Member

15th Jul, 2015 at 10:45:22pm

yeah ive tried blowing through and it is quite difficult,

they way i had wired up was the from the carb spacer take off to the boost gauge with the vaccum side of the DV t'd into it :/

Edited by coopdog on 15th Jul, 2015.


metroturbo

806 Posts
Member #: 989
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North Yorkshire

16th Jul, 2015 at 05:39:43pm

Just tee into one of the other take offs. You don't need a seperate take off for every single use.
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