radiator filler neck size and threads

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CraneJon
Posts: 92
Joined: Sun Jan 06, 2019 10:55 am
First Name: jon
Last Name: crane
* REQUIRED* Type and Year of Model Ts owned: 1925 T pickup, 1928 A, 1931 A
Location: rochester mich

radiator filler neck size and threads

Post by CraneJon » Tue Mar 05, 2019 6:10 pm

What is the diameter and tread size foe the radiator filler neck on a T?
Jon Crane
Rochester Mich

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PDGx
Posts: 233
Joined: Sun Jan 06, 2019 9:12 pm
First Name: Paul
Last Name: Grohsmeyer
* REQUIRED* Type and Year of Model Ts owned: ‘17 TT Holmes Wrecker
Location: Central Florida
MTFCA Number: 27359
Board Member Since: 2007

Re: radiator filler neck size and threads

Post by PDGx » Tue Mar 05, 2019 6:28 pm

2” 18tpi
If my short term memory gets any shorter, I won’t even have thought about what I’m going to forget.

17 TT Holmes Wrecker
22 Mack AC Tiltbed Wkr
30 A Rdstr PU
58 Mack B-61 Semi Tractor


Tom Hicks
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* REQUIRED* Type and Year of Model Ts owned: '24 TT, '26 TT, '24 Speedster, '26 Speedster
Location: Chesterfield, VA
MTFCA Number: 32518

Re: radiator filler neck size and threads

Post by Tom Hicks » Tue Mar 05, 2019 10:21 pm

They vary a little, but enough that they are not all interchangeable. I bought a new radiator and the original old cap would not fit. I had to buy the hexagonal style cap.
Technology, the solution to all of our problems... and the cause of most of them.

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