On Sat, Jan 30, 2010 at 07:12, Sandwich Maker <adh@xxxxxxxxxxxxxxxxx> wrote: > > i -think- it's the standard american 'small 2bbl' base, same as the > bbd, various rochesters, and the holley 2280, at least. iirc the 'big > 2bbl' base is used only by the big holley 2bbls, though there are some > big rochesters [2bbl 455s!] too. > Well that woudl be nice! I guess I can find a BBD base gasket and compare. the rochester used on the chevy 2.8 is a vac progressive. > This sounds familiar... I think I looked at these before. The thing with the webers is tunability. I doubt there's a jet set and books and lore on the Rochester. > i think > there's both vac and mech progressive webers, but they all have some > sort of metric base which needs a [readily available] adapter. > The mechanical progressive weber is a very very nice carb. Had one on the hornet. Took a while to tune up (I posted about it then) but that was very straightforward. The adapter was 'clean' inside, a good match to the BBD base. If 195.6 2bbl == BBD, that pretty much clinches it. > > don't all webers have replaceable venturii? put smaller ones in and > no carb is too big! > > The air horn maybe, but the body casting I think determines the bore. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://list.amc-list.com/pipermail/amc-list-amc-list.com/attachments/20100130/ed680743/attachment.htm> _______________________________________________ AMC-list mailing list AMC-list@xxxxxxxxxxxx http://list.amc-list.com/listinfo.cgi/amc-list-amc-list.com