Mk1 S recent purchase cylinder head quetion

uncle 997 · Post by **uncle 997** » Thu Jul 18, 2019 9:40 pm

Hi All.

Recently purchased a 67 mk1 S in bits.
The car was stripped in the early 80's and partially restored.
All the rare S parts are with the car and I will restore it back to concourse condition.
The cylinder head has been ported and has big valves etc.
It is a 940 casting with 12g 1805 in the usual place,but on the back of the head just under the centre exhaust port it has RTC 127 stamped on the mating face.

Does anyone recognise the stamping code and identify possibly which company ported it ?

whistler · Post by **whistler** » Fri Jul 19, 2019 12:42 pm

Think that head wasn't fitted until the MK3 in late 69/70 so probably wrong for your 67 engine if you want to keep it correct.

Post by **AndyPen** » Fri Jul 19, 2019 11:12 pm

Bit of a long shot, but didn't Turner Engineering use RTC codes? All I can find online is that they do LandRover stuff now?

Oneball · Post by **Oneball** » Sat Jul 20, 2019 12:54 pm

AndyPen wrote:Bit of a long shot, but didn't Turner Engineering use RTC codes? All I can find online is that they do LandRover stuff now?

RTC.... is a Land Rover part code like 12G...

Post by **Peter Laidler** » Sun Jul 21, 2019 11:16 am

One little point might clear this mystery up. Is the RTC mark RAISED, as in cast-in or is it recessed, as in engraved or stamped in?

Post by **GraemeC** » Sun Jul 21, 2019 2:22 pm

He clearly says stamped, not once but twice.

Post by **Peter Laidler** » Sun Jul 21, 2019 3:44 pm

Sorry I spoke........

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Mk1 S recent purchase cylinder head quetion

Mk1 S recent purchase cylinder head quetion

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Re: Mk1 S recent purchase cylinder head quetion

Re: Mk1 S recent purchase cylinder head quetion