21 engine in a 28 frame, which chambers do I need?

**Tue Jun 25, 2013 1:14 am » Post: #1 » Download Post**

Hi guys,

I know there's a difference between the 2 chambers... are the chambers made to fit the engine or the frame?
My 28 frame has a 21 engine, so which one would I need?

Thanks
Minh
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**Tue Jun 25, 2013 7:15 am » Post: #2 » Download Post**

It's made to fit the frame.

I would be more concerned about running the PGM4 with the lighter flywheel. Check on it regularly and adjust settings to suit.

**Thu Jun 27, 2013 4:51 pm » Post: #3 » Download Post**

It's not safe to run standard card on the 21 flywheel?

**Fri Jun 28, 2013 8:20 am » Post: #4 » Download Post**

Sticking to the normal mantra..... You are deviating from a stock configuration which means it hasn't been set up for that.

I haven't had a 21 and 28 flywheel side by side so I don't know if the pickups are in the same location.

The fact that no one else is commenting means that it may not have been documented before.