My 1300 head is marked 218143. Anyone have info on that?
MikeC
> Ignore Mk I and II heads as they are not interchangeable with 1300 and
1500.
> All the cylinder heads are stamped with the part number as follows:
> 515573, small exhaust valve 8.5:1 1300, flat pistons
> 515973, as above but 9:1
> 218140, largest exhaust valves 9:1, 1500 flat pistons.
> 218141, largest exhaust valves, 8.5:1, 1300 flat pistons
> 218142, largest exhaust valves, 9:1, 1300 flat pistons
> TKC1155, large exhaust valves, 1500 flat pistons
> TKC1156, as above but 1300.
> TKC1155/6 do not have the water take off in the RH rear corner.
> Other TKC numbers are a variety of 1500 heads for the US market, some with
> inserts, some with air injection holes.
> The 515573 and 218141 1300 heads can be used on a 1500 engine with dished
> pistons and gives something around 9.25:1, unfortunately the 218141 heads
> are UK and the 1500 dished pistons are US so never the twain shall meet.
> John Kipping
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