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M117 engine...

tvr500

New Member
Joined
Sep 11, 2017
Messages
2
Location
York
Car
C124 E320
Can anyone recommend anyone in the North of England for a timing chain replacement on my 420sl....

Thanks
 
Any decent mechanic can roll a new chain in. Make sure you replace all the upper guide rails, tensioner and banana rail as it's the rails that typically fail and cause the engine to jump time.
 
Any decent mechanic can roll a new chain in. Make sure you replace all the upper guide rails, tensioner and banana rail as it's the rails that typically fail and cause the engine to jump time.
Thanks and appreciate the points made...
If i check the stretch factor....what size socket on the crank pulley do i need....
 
Thanks and appreciate the points made...
If i check the stretch factor....what size socket on the crank pulley do i need....

I'm 47% sure it's 27mm
 

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