I am preparing to install my original RAJO BB head. I had planned to use a copper head gasket and I ordered one from a supplier. But what came was a copper composite gasket rather than a sold copper one. My questions are:
1) are solid copper Rajo head gaskets available and from whom?
2) if they are, is it worth getting one, or is the composite one good?
Let me know your experience.
RAJO head gasket questions
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Reno Speedster
Topic author - Posts: 596
- Joined: Tue May 26, 2020 6:23 pm
- First Name: Morgan
- Last Name: Blanchard
- * REQUIRED* Type and Year of Model Ts owned: 1926 Model T Speedster Project, 1922 Runabout Pickup
- Location: Anchorage, Alaska
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RajoRacer
- Posts: 5293
- Joined: Sun Jan 06, 2019 12:18 pm
- First Name: Steve
- Last Name: Tomaso
- * REQUIRED* Type and Year of Model Ts owned: 1914 Touring, 1919 Centerdoor, 1924 TT C-Cab Express, 1925 Racer
- Location: Longbranch, WA
- Board Member Since: 2001
Re: RAJO head gasket questions
No solid copper for a RAJO O.H. that I'm aware of - I'm running the copper composite on my BB. I did have stock T solid copper head gaskets made for my '19 Centerdoor with rather large intake valves - off the shelf coppers had interference issues !
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Dan McEachern
- Posts: 1434
- Joined: Sun Jan 06, 2019 11:08 am
- First Name: DAN
- Last Name: MCEACHERN
- * REQUIRED* Type and Year of Model Ts owned: too many. '14 touring, 2 depot hacks, 2 speedsters
- Location: ALAMEDA,CA,USA
Re: RAJO head gasket questions
Run the composite gasket- sealing a solid copper head gasket on a T motor is problematic due to the lack of sufficient head bolts to develop sufficient clamp pressure. The composite gaskets are pretty much trouble free. Coating them with white grease before installation works well. Spraying them with Copper Coat works well also, but you will destroy the gasket upon removal. %0 ft-lbs is enough torque. Retorque and reset valve lash after getting it hot for the 1st time.