Hi Steve, Thanks for your input- Actually, he's just recently gotten a new radiator and shroud I believe. I don't know about the pump or the fan though.
I'll see if I can get more info. Thanks to all of you for your input! Regards, Jim --- "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > I don't know about vacuum, but if it cools down when > running and overheats > when stopped, he's not pulling enough air through > his radiator at idle. > Sounds like a fan and shroud issue to me. Of course > contributing factors > could be reduced flow through the radiator for > various reasons ......bugs, > fins bent, bad repairs in the past, radiator stop > leak products plugging > things up, needs cleaned out, etc. > > I'd be looking hard at fan size/number of blades, > and shroud > upgrades/modifications. Another help would be a high > flow water pump, and > flushing the radiator out, but the air flow seems to > be the main issue > here. It may also help to have a radiator shop check > it out. Sometimes > things as simple as a new radiator cap can help. > > Steve > > > My friend is running a 350 in his Chevy II, and > it's > > running a little hot (hits about 220 at a > redlight, as > > soon as he starts moving it drops). I told him I > was > > having the same problem with my '66 327, and then > I > > found out I had the vaccuum hooked up wrong going > from > > my distributor to the carb (had it on port > vaccuum, > > not manifold vaccuum). I told him as soon as I > > switched it over and re-timed the engine, my car > now > > runs at a cool 190.. He asked if I could check his > at > > the show yesterday and I said sure- > > > > Upon looking at his engine, he's running a Mallory > > ignition which has no vaccuum advance cannister, > and > > has BOTH the port and manifold vaccuum ports > blocked > > off on his carb. I was shocked, b/c every SBC > I've > > ever seen had a vaccuum line running from the dist > to > > the carb.. > > > > Does anyone else find this setup odd? Should he > have > > the manifold vaccuum port on the carb going > somewhere > > else at least, if it's not going to the > distributor? > > > > Thanks, > > > > Jim > > > > '66 Malibu > > http://mywebpages.comcast.net/jbiii/my66.htm > > '59 Corvette > > http://59registry.com > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > Plan great trips with Yahoo! Travel: Now over > 17,000 guides! > > http://travel.yahoo.com/p-travelguide > > > > __________________________________ Do you Yahoo!? Plan great trips with Yahoo! Travel: Now over 17,000 guides! http://travel.yahoo.com/p-travelguide
