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This may sound odd, but the 1/4 inch is a pipe thread. You can go to a home improvement or plumbing store and get a plug or drain there.
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I believe it is an aftermarket four core, and I checked again without having ever found anything resembling a drain. Now I can balance the effort of removing it to have one installed at a red shop vrs. pulling the lower hose once in a while.
Thnaks for the responses....
JB
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22715
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
It's really unjujual for a raditater to NOT have a drain plug...that's really weird.
I don't know bout youse guys, but pullin the lower hose on the '74 is a major PITA!!
I don't know bout youse guys, but pullin the lower hose on the '74 is a major PITA!!
Joel Adams
C3VR Lifetime Member #56 
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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We just installed the SPAL dual fans and I really don't want to pull all of that this year. Maybe next year to remove the condensor would be a better time to take it in.
I know, I know The smelling errors are from lack of coffee...LOL
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I'm with you, Joel--draining a radiator as part of a normal overall engine tuneup has always involved loosening a drain plug, not removing a hose. Having just replaced the upper and lower on the '78, that's not a job I'd want to have to do every time just to flush out the coolant.
Unfortunately, given the lousy location of the plug on this particular radiator (stuck under a flange on the support, thanks to some careless PO), I don't seem to have a choice.
Can't wait until I can afford a replacement from DeWitt!
Unfortunately, given the lousy location of the plug on this particular radiator (stuck under a flange on the support, thanks to some careless PO), I don't seem to have a choice.
Can't wait until I can afford a replacement from DeWitt!
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in Forum: C3 HVAC, Fuel, Emissions, and Exhaust
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