1947 rover 12

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digcot65
Posts: 315
Joined: Sun Apr 19, 2020 1:34 pm

1947 rover 12

Post by digcot65 » Thu Nov 25, 2021 9:12 am

Im helping to repair a friends Rover,on which three of the pushrods have been slightly bent We are at the stage where the head can be lifted off to see whether any other damaged has happened .The car is which is immaculate ,is hardly used which isnt a good thing and Im hoping its a case of sticky valves causing the bent pushrods .Once the head is off and without removing the front timing cover,what is the most accurate way of checking that the pistons and valve timing are correct to each other.For instance,when number i piston is at TDC what can I check on the cam followers to see which ones have reached their highest point .Ive been told it is unlikely,that the timing chain has slipped, but I need to check everything while the engine is down Len

digcot65
Posts: 315
Joined: Sun Apr 19, 2020 1:34 pm

Re: 1947 rover 12

Post by digcot65 » Thu Nov 25, 2021 9:40 am

I forgot to add the Rover is a 1947 12hp Len

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luli
Posts: 541
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Re: 1947 rover 12

Post by luli » Thu Nov 25, 2021 3:43 pm

Since there is no chain tensioner some backlash can develop with time. To check the timing you need a dial indicator and a good torch.
Read the rover instructions:
http://www.rover-forum.thersr.co.uk/vie ... da56#p8786
and get pictures here:
https://lulis.org/2014/05/13/%d7%a8%d7% ... %99%d7%93/
Rover 10 1946 RHD
Rover 10 1947 LHD
Rover 12 1947 tourer LHD
http://lulisml.wordpress.com/

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