Can you adjust ignition timing by ear?

Can you adjust ignition timing by ear?

I call this method of adjustment, “Timing by ear”, because you literally set the timing by sound. It’s not as hard as it sounds (no pun intended). Automotive manufactures do supply ignition timing setting for every application. You could simply use a timing light, and set the engine to that setting.

What is the correct ignition timing?

The ideal ignition timing for power occurs just before the point where detonation or pinging takes place. Correctly timed ignition will cause peak cylinder pressures to occur around 12 to 15 degrees after TDC.

What happens if ignition timing is off?

What causes ignition timing to be off? When any changes are made to the engine of a car, the ignition timing is adjusted accordingly. If not, you could experience several problems with your engine with improper ignition timing like knocking, hard to start, increase fuel usage, overheating, and reduced power.

When to change timing chain on Nissan GA15DE?

All GA15 versions were equipped with two timing chains. The chain must be changed in about 150,000 miles of mileage (200,000-250,000 km). GA15DE engine does not use hydraulic lifters, so every 30,000 miles of mileage (40,000-50,000 km) you should regulate the valves.

How long does a Nissan GA15DE engine last?

The GA15DE does not have hydraulic lifters, so special shims are used to adjust the valve clearance. The Nissan GA15DE is reliable and durable. The engine has two timing chains, their service life is about 150,000 miles of mileage (200,000-250,000 km).

What’s the valve clearance on a Nissan GA15DE?

Valve clearance (cold engine): inlet 0.25-0.33 mm, exhaust 0.32-0.4 mm. Besides this engine, GA series included such models as GA13, GA14 and GA16. GA15DE was discontinued in 2000, when it was replaced by QG15DE.

What kind of engine is a GA15 engine?

This engine was produced in 1987 as substitution of old E15 engines. As all the engines made in 80-s, GA15 is maximally simple. It uses cast-iron cylinder block and aluminium head with one camshaft and 12 valves (8 intake, 4 exhaust).