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#1 |
"GO DAWGS"
Join Date: Oct 2003
Location: Batesburg, SC. 29006
Posts: 5,410
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???? Advice On Thread Sizes (for Line Convert)
I AM CONVERTING MY STOCK TRANSMISSION LINES TO STEEL BRAIDED HOSE. THE FITTING THAT GOES INTO THE TRANS IS 6-1/4 6 BEING THE LINE SIZE AND 1/4 BEING THE SIZE OF THE PIECE THAT SCREWS INTO THE TRANS. 1/4-18 PIPE TO BE EXACT. THE PROBLEM THAT I HAVE IS I NEED TO KNOW THE EXACT SIZE OF THE FACTORY PIECE THAT SCREWS INTO THE RADIATOR. IT IS NOT 1/4-18 PIPE AND I CANNOT FIND AN ADAPTOR FOR THIS, MY GUESS IS THAT IT IS 3/16 BECAUSE IT IS JUST A HAIR SMALLER THAN THE 1/4-18 AND I HAVE LOOKED EVERYWHERE FOR A ADAPTOR THAT WILL GO FROM 1/4 FEMALE TO A MALE FITTING THAT GOES INTO THE RADIATOR. THE ONLY OPTION I CAN THINK OF IS TO TAP MY RADIATOR COOLING LINE HOLES TO 1/4-18 PIPE TO FIT. ANY INPUT WOULD APPRETIATED.
THANKS PT |
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#2 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,553
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The fitting that goes into the radiator is a tubing nut for 5/16 steel tube. I believe the thread size is 7/16-20 but it should be flared to seal correctly. Looked in my Russell catalog but could not find a part #. Maybe weatherhead.
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#3 |
Merciless Butcher
Join Date: Oct 2003
Location: CC Nevada
Posts: 1,447
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Hmmmm....could this be a newer radiator with metric threads? Usually you can get one for 5/16 tubing, inverted flare to 6-AN. I bought those at Summit. Aeroquip makes them. It's a pretty standard fitting. Quarter inch (original) tubing seems way undersized for a truck.
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Your Bought And Sold....I Got Your Soul! |
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#4 |
Registered User
Join Date: Jan 2003
Location: Washington State
Posts: 8,834
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Please turn the caps lock key off.
In computer terms, its like your yelling at someone...... Personally I find it harder to read. Have you tried NAPA for the fitting? Thats where I got mine.
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1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo |
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#5 |
Senior Member
![]() Join Date: Sep 2000
Location: Agency IA.
Posts: 1,841
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There is an adapter you get. Flare to AN. I have one.
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72 Chevy short step side with 454 air and tilt. 72 nova project car 63 chevy II drag car Agency Iowa |
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