Carb to manifold gasket

Got these carbs



But can only find a gasket for a 34pdsit carb. I would presume it is the same size, but I am no expert.

For a type4 engine

 

Oh and they are like £9.50 each at vw heritage.

 

Machine 7 do a pair for kadron 40's. But still not sure.

 

Go old school, buy some gasket paper off eBay and make your own

 

Go even older school and use a cornflakes packet, plenty do.

 

Maybe I will do that then. What's the purpose of a gasket? Just so the two surfaces don't fuse or so the gasket crushes in high and low places?

 

For inlet gaskets, I'd recommend old Bonio boxes. They're made of excellent quality cardboard

 

Cardboard is pretty good - it soaks up some petrol and oil and then becomes slightly springy .
With a reasonably thick gasket it means that you do not have to torque the carb down so hard to seal it that it distorts the metal.
Halfords also sell DIY cut out gasket material.

 

http://www.ebay.co.uk/sch/i.html?_o...ant gasket&_nkw= instant gasket&_sacat=180124

I like using sealer stuff with cardboard ,when you tighten and it squirts out a bit ,old school....

 

Any motor factors sell A4 size gasket card or paper in various thicknesses

 

So why do we have metal gaskets dotted about then?

 

Just out of interest?

 

I think the metal ones crush down

 

Metal gaskets are the best when the surfaces are true and straight and the correct torque is applied
As parts wear and need more maintinence as they age then fiber gaskets are better
Metal gaskets are normally used in pressurised systems or negative pressure systems with tight tolerances

They rely on flat surfaces and proper torquing procedudures

Cork sheet seems to work well on the inlet side