Originally Posted by
Kickinthetires
1963 IIA: I changed the points and condenser and reset the timing to 6 BTDC. On the test drive I noticed a ticking noise under load at 30 - 45 mph. Thinking it may be the timing, I brought it home and went to 4 BTDC and still hear the noise. Maybe it is totally unrelated to timing....maybe not. Anyone have any thoughts? It sounds like a quiet rattle snake in the firewall (but here in the Northeast, that wouldn't literally happen). Thanks!
If you only hear the noise under acceleration or load - and it sounds like a quiet rattle snake AND it appeared after your changed timing... That's probably engine ping from pre-ignition (timing too advanced). Try retarding timing and see if it relieves the sound.
If it's a persistent tic, tic, tic, tic - no matter what rpm. It's likely a valve adjustment issue or a leak in the exhaust manifold. Both can be heard and localized using a stethoscope. My engine had both issues. Took some patience to resolve but these 2.25 liter engines can run like sewing machines when adjusted and tuned correctly.
1968 Series IIa
1997 Defender SW (Original Owner - Sold)