Hi; I'm new to this forum, and I'm from England, so some of this may sound a little strange to you guys. I've just bought a really nice '55 Chevy 210, with a 235 straight six, with manual / overdrive gearbox. I'm in the process of tuning it, as it's such a nice car it seemed a shame to ditch the six, and put a V8 in. I finally managed to track down Clifford performance, and ordered [and paid for] a load of parts from them about 5 weeks ago. Amongst the stuff I ordered was an intake manifold suitable for a Holley 390 4 barrel. So far, they keep telling me that they're "waiting for it to be cast". Do any of you guys know [or perhaps you've got one for sale] if any speed shops in the States keep them in stock. Also, any tuning tips would be welcome. So far, I'm going for carb / intake /headers, and a mild cam. Stock output is about 136 b.h.p. Any advise would be welcome.