Straightening your Electric or Acoustic Guitar neck for better playability

Here is a quick and easy process to check and adjust your truss rod

Tools Required

Capo, Feeler Gauge, Truss Rod Allen key, Tuner

Steps

1. Tune your guitar to your normal tuning (with your normal gauge of strings on the guitar)

2. Place a capo on the first fret

3. Hold the guitar in playing position

4. Place your finger on the last fret of the neck (19th-24th fret)

5. Measure the gap at the fret the ideal gaps are shown below under "ideal gaps”. These gaps are super thin - about the thickness of a business card so if you don’t have a feeler gauge a business card will do a basic job. (You can buy a feeler gauge from a hardware store for only a few dollars)

6. If you have too much gap, adjust the truss rod 1/4 turn clockwise and recheck

7. If you have too little gap (it's too close to the fret) adjust the truss rod 1/4 turn anticlockwise and recheck

Ideal Gaps

Steel-string acoustic guitar - Gap 0.05mm at the 8th fret

Nylon-string acoustic guitar - Gap 0.05mm at the 8th fret

Electric guitar Gap 0.025mm at the 8th fret

Bass Guitar Gap 0.356mm at the 7th fret