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Classic Austin Mini exhaust valve seat 1.0 lead free

Classic Austin Mini exhaust valve seat 1.0 lead free

Classic Austin Mini exhaust valve seat 1.0 lead free
Qty:
Internet Price $15.96
Part No: TAM2068
Internet Price $15.96
These are the exhaust valve seats for lead free small bore cylinder heads 850/998/1100. If you require inlets see TAM2152. Fitted from 1988 with introduction of press fit high compression pistons although many earlier heads have used this modification. Also fits the Sprite , MG Midget , and Morris Minor.


Recess required is 1.1245"(28.56mm) plus or minus 0.0005"(13mm)and 0.190" (4.83mm)deep at room temp of 20.
 
 
Question:
I have a standard 998cc engine and currently refurbishing the head (12A1458). I would like to convert it to lead-free. Can you please send me the dimensions of the seats you offer? My machinist told me to search for the following: Unleaded Exhaust Valve seats: 26.5mm Outside diameter 20mm Inside diameter Unleaded Inlet Valve seats: 28.5mm Outside Diameter 22mm Inside Diameter Would appreciate your help with this.
Answer:

We offer an exhaust seat for that head, but no intake seats:

https://www.minimania.com/part/TAM2068/Classic-Austin-Mini-Exhaust-Valve-Seat-10-Lead-Free

Generally, hardened seats for intake valves in iron heads aren't necessary.

Here's the info you requested:

Recess required is 1.1245"(28.56mm) plus or minus 0.0005"(13mm)and 0.190" (4.83mm)deep at room temp of 20C.

Mini Mania Tech Team

The Classic Mini Parts and Accessories Experts

 
 
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