My '26 speedster came with a low head. I have a high head in my stash. It looks like the high head has larger water jackets (better cooling?). What would your suggestions be on which would be best and why?
Thanks!
Low vs. High Head
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Petrah Phyre
Topic author - Posts: 165
- Joined: Wed Mar 17, 2021 9:57 pm
- First Name: Sean
- Last Name: Pownall
- * REQUIRED* Type and Year of Model Ts owned: 1926 Speedster
- Location: Custer, SD
- Board Member Since: 2021
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speedytinc
- Posts: 5199
- Joined: Fri Feb 12, 2021 12:24 pm
- First Name: john
- Last Name: karvaly
- * REQUIRED* Type and Year of Model Ts owned: 14/15 wide track roadster. 23 touring, 27 roadster pickup, 20ish rajo touring
- Location: orange, ca
- Board Member Since: 2020
Re: Low vs. High Head
Open your wallet for a new Prus head.
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Jerry VanOoteghem
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- Location: S.E. Michigan
Re: Low vs. High Head
To answer your question, it kind of depends on what radiator you're using. The low head water outlet lines up well with a brass radiator and high head lines up better with a later, high radiator, (all assuming you're also using the correct water outlet for each). Since you have a speedster, any combination could be possible. I would tend to use the head that fits up well with whatever radiator you have.Petrah Phyre wrote: ↑Fri Feb 06, 2026 6:36 pmMy '26 speedster came with a low head. I have a high head in my stash. It looks like the high head has larger water jackets (better cooling?). What would your suggestions be on which would be best and why?
Thanks!