I have kept the original the inlet manifold on my Sierra 1.8 CVH engine. The air filter is a big pancake filter with plastic inlet tube. Air sensor and vacuum are connected to plastic assembly. It is really too big for the bonnet on my Haynes roadster build. Any advice about alternatives that others have used?

The carburettor is a Pierburg 2V model and has a 95mm diameter air filter inlet flange. I have not been able to find a filter with this diameter inlet, to simply sit on top (even it would need to poke through bonnet). I beginning to think I will have to make something in aluminium, but others must have solved this problem before, so advice would be great. I am near the end of the build and I am not going to replace the inlet manifold with other carburettors. Guidance from those who have built with same engine would be really helpful. Thanks.

Pipercross did a selection of filters to fit the Pierburg carb. I used one of them and a PX303D or 4D filter.

I would ring them and ask if they still do the base plate for the 2V, or worst case have to buy a blank plate and cut the holes in your self.

They used the same carb on some VW's as well.

Adrian

I used a K&N and modiified the blank plate to fit.

like this:

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Thanks guys, I will follow up both suggestions.

Whitestu….on another note……..

I have just looked at your photo archive and your exhaust system is exactly what I am trying to build. I have had an exhaust manifold plate for the CVH cut in stainless steel. Now working out a way to bend S/S pipes to drop down inside the frame and exit as one or two tubes from the passenger side low down. How did you build yours? I was thinking about hiring a tube bender and making it myself. Any tips. Thanks

Mine is Westfield CVH system that I bought form a guy who was swapping his 1.6 CVH for a turbo engine.

Stu