'fraid not chief.
They curve different ways altogether.
I assume you mean mk2?
The mk3 astra has the same manifold as cav
when the gagged ones are reinstated
Heres the problem!!
Ive got a Nova GTE with 2.016v CAV Engine, when it was put in obviousley the manifold was catching on the antill roll bar! Rather than taking off the anti roll bar, we modified it to fit around the anti roll bar. ( But just on one side) so the position at the bottom was not changed.
Anyway its all fine but not producing as much power as it should, and i think this could be because of the mods on the monifold reducing the volume on one side.
PVD now do an adapter that lowers the anti roll bar so no mods are needed. So basicly i need a new manifold but im not sure if ive got a CAV one or an Astra one. As long as they are the same at the bottom eg where they join the exhaust system either will do!!
Help, if they are not the same at the bottom how can i tell which one i have?