2200SC, unusual noise

JVY said:
If it helps, I think this was one of the threads I recalled that mention 4-cyl timing marks.

http://www.classicroverforum.com/viewtopic.php?f=2&t=9947&p=73955&hilit=timing+marks#p73955

If you wanted to check that your TDC timing mark is correct, there are different ways to do it (E.g. wooden dowel down no.1 spark hole). Also, with modern fuels that have a lower 95RON rating, they are going to tend to resist pinking less than the old 4 & 5 star. Therefore, it makes sense for the timing to be retarted a few degrees less than 8BTDC. I reckon that my timimg marks are good to +/- 0.5 degrees and keep my timing set at 8BTDC. However, I nearly always use Shell V-power (97RON) and add Castrol Valvemaster (LRP and octane booster). I have no idea to what value above 97RON the booster makes the fuel but this setup works fine for me on my 9:1 2200TC.
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Thanks for that. Oh blimey! I suppose expecting reasonably accurate timing marks on the pulley was just too much, aye?! :evil: :?
 
darth sidious said:
Thanks for that. Oh blimey! I suppose expecting reasonably accurate timing marks on the pulley was just too much, aye?! :evil: :?
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I wouldn't lose too much sleep over it just yet, both these engines I've got here seem accurate enough. That is to say, the one out of the car is so loose I can get it to TDC by feel. The fact the one in the car is consistent between the flywheel marks and pulley marks, leads me to presume the marks are accurate, as it seems rather unlikely that both would be out by the same amount.
 
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