Ring Radiator Comparisons

[script56]

While on the subject, I'm wondering how 075 diaphragms are used for 076 replacements. The original 076 has pointed diaphragm and 075 has hole for metal bullet

[JeffW]

While on the subject, I'm wondering how 075 diaphragms are used for 076 replacements. The original 076 has pointed diaphragm and 075 has hole for metal bullet

The pointy part is the phase plug. Remove it and there's a hole just like the 075.