My Cold Case radiator

pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
4,589
113
Elderton, Pa
5/16" is cheaper than 3/8". I'm searching for a simple fix for this & think I found it, a 1/16" male to 1/8" female fuel rail adapter.
Next will be the tap & right size drill bit to get rid of the offending part stuck in the threads.
 
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565bbchevy

565bbchevy

Geezer
Aug 8, 2011
6,528
113
Michigan
Not knowing the design of their waterneck is there enough material to drill and tap to a 1/8" NPT?
 
TURNA

TURNA

Geezer
Jul 24, 2009
8,688
113
Socialist NY
Now I'll have to find a 1/16" pipe tap as there is not much space I am going to fill comfortable boring out to go 1/8". Then the hunt for a 3/8" nipple with 1/16" pipe. I might have to creative but not to look like a 💩 job with an 1/16" to 1/8" adapter.

I have searched hi and low for 3/8" nipple with 1/16" pipe

Dont bother looking it doesnt exist

the biggest is 5/16 nipple with 1/16" pipe
 
pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
4,589
113
Elderton, Pa
OK, who would of thought finding a 1/16" NPT tap would be so hard to find local? :doh:So now I guess it'll be off to Amazon or Fleabay to find it. Atleast the 1/16" to 1/8" adapter is a little easier to find. After I get all that stuff needed I'm thinking I'll have to open the adapter up for better flow cause they got a really small port. I even thought about getting Cold Case to send me another nipple & run a die over it to make it an adpter but the 5/16" don't match up with any NPT die I have. I'll reengineer it one way or another. Maybe if I stare at it enough I'll find enough space to make it 1/8" but I won't expect to be able to.
 
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pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
4,589
113
Elderton, Pa
Ordered the tap & 1/16" male-1/8" female brass adapter. When ever they get here next week I should have it fixed. Then I can get back to getting everything on the front of the engine again to route/bend the fuel line (give into self pressure to say hell with it & go braided.)
 
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pagrunt

pagrunt

Comic Book Super Hero
Sep 14, 2014
4,589
113
Elderton, Pa
After this I would recommend a brass/copper after this as the worst part you have to deal with is the upper hose port/nipple being smaller & have to use one of those rubber filler/adapter for the hose. If the old rad shops were still open around me I would of had theold rad's core fixed (steel bar at the bottome rusted from sitting & pulled part of the cooling fins with it) & have that upper hose port resized to match the hose. Don't know why the filler neck couldn't of has a 3/8" nipple welded to it instead of how it was made. I'll admit I'm an R&D nightmare with what feedback I can give.
 
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