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Engine noise

Started by joel87vl · 6 May 2012 · 2 replies

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joel87vlArchived member

06-05-12, 19:51 GMT+10#1

My rb30 sounds like it is running a different cam after iv done a manual conversion just by the way it's running a bit rough does anyone have any ideas what it could possibly be? Cherrs

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RB30DEVLArchived member

06-05-12, 22:16 GMT+10#2

Sounds like you haven't plugged the vacuum line off where the vacuum modulator piping used to join into at the inlet manifold for the auto trans. Just jam a bit of silastic in there (near the IAC valve) or jam a screw or something in that piece of rubber hose till you can get some silastic to fill that in.

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joel87vlArchived member

09-05-12, 06:03 GMT+10#3

Thanks I'll give that a go and see how it goes

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Engine noise

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