Can anyone point me to a picture of the belt routing for AC and no PS on a 1.8 engine?

 

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The routing is identical to AC with PS. An idler pulley gets installed onto the block in the same position as the power steering pump would be, and this idler has a tension adjustment screw just like the PS pump bracket normally would. Otherwise there'd be no way to tension the belt, as the AC compressor is rigidly fastened to the engine.

 

What Joe is explaining looks something like this:



Rosenthal sells it with mounting hardware and a belt for $120:
Finish Line / Rosenthal Mazda Parts & Accessories*::*Miata / MX-5*::*Engine*::*Idler Pulley Kit

You can run across them occassionally cheaper if you keep your eye on the classifieds, usually on m.net.

 

Awesome! Thanks a ton. I'm hunting for idler pulley now...

 

Join mazda motorsports. The same kit is ~$70 shipped through them.

 

Has anyone signed up for a motorsports development account recently? I sent in an application back in April and haven't heard back after a few followup reminders.