20b expected
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From: Ny
20b expected
I am a new member.
I have rolled the dice and ordered a JDM 20b.
My plans include a carbureted NA engine, mild street port, racing beat distributor.
But although I have fitted Weber DCOE's to both my Datsun L28 and my Jag 4.2, I don't know How to select for the 20b. Any suggestions will be welcomed.
Barry
the runners on the 20b upper intake manifold appear to be 6 identical tubes. The upper gasket looks like all six are the same. But on the lower gasket, the ports for each individual rotor appear to be significantly different.
so it implies that the different ports have different flow characteristics. Ok, since they pull off a plenum
So I cannot just install same size Weber barrels to all six runners.
I have rolled the dice and ordered a JDM 20b.
My plans include a carbureted NA engine, mild street port, racing beat distributor.
But although I have fitted Weber DCOE's to both my Datsun L28 and my Jag 4.2, I don't know How to select for the 20b. Any suggestions will be welcomed.
Barry
the runners on the 20b upper intake manifold appear to be 6 identical tubes. The upper gasket looks like all six are the same. But on the lower gasket, the ports for each individual rotor appear to be significantly different.
so it implies that the different ports have different flow characteristics. Ok, since they pull off a plenum
So I cannot just install same size Weber barrels to all six runners.
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