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Exhaust Manifold From Another Vauxhall


Thomas77GR
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Hello

Does anyone know if the 4 branch manifold off a redtop Calibra would fit a CIH 2.0L block? with minor mods (e.g bottom part of the downpipe tube to fit rest of exhaust pipe)

Also does anyone know if the redtop tubular manifold would fit the XEV Ecotec block, I hear there is an issue with the lambda sensor

cheers for any answers

Thomas

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Hello

Does anyone know if the 4 branch manifold off a redtop Calibra would fit a CIH 2.0L block? with minor mods (e.g bottom part of the downpipe tube to fit rest of exhaust pipe)

Also does anyone know if the redtop tubular manifold would fit the XEV Ecotec block, I hear there is an issue with the lambda sensor

cheers for any answers

Thomas

All completely different from each other, the pitch of the XE primaries are the same as the Ecotec though.

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Thomas,

The XEV manifold flange has a collector for the Exhaust gas recirculation valve taking a small amount of exhaust gas from each port and feeding the EGR valve on the end of the head. Simon P's right about the pitch of the XE and XEV pipes being identical to each other.My car has an XE rwd manifold for an Escort, with the XE flange cut off and a Laser cut XEV flange welded onto the pipes. If you are using the Ecotec's fuel injection system then you might need these EGR take offs cutting into the mounting flange of your custom manifold. You might be able to just blank the EGR rubbish off if you are lucky. If your engine is now on carbs like mine then don't worry about the EGR. You could even grind the EGR ports out of your cylinder head like I've done on mine. Good luck with Ecotec conversion .... Luke

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