yeah a little bit too big. because L series use same 27mm.

that paintjob, why so serious?

seems normal to me.

even better: open the dizzy cap, adjust the valves on the cylinder the dizzy rotor points. when the dizzy rotor points at that cylinder (the plug cables, not literally pointing at the cylinder), it means the cylinder just started the spark, so both valves are closed. this method is true for any cylinder counts

number three means third valve from front of engine. you count from the front. so in this case, three means intake of second cylinder

rock means, the rocker arm push the valve.

a sad day mate...

no wonder why malaysia have viaducts...

you don't have sugar cane juice there? come to Malaysia then!

hope you guys don't damage your Datsun (or any other property).