How to inspect an M90--on the motor?
#1
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How to inspect an M90--on the motor?
Supposing you went down to a JY looking for an M90 supercharger.
Supposing you found one, on the motor, with 150k or so miles...
How would you (or could you?) go about inspecting it, without removing it?
Also, assuming it passed inspection, what would you expect to pay for it?
Supposing you found one, on the motor, with 150k or so miles...
How would you (or could you?) go about inspecting it, without removing it?
Also, assuming it passed inspection, what would you expect to pay for it?
#2
Rotate the pulley by hand, make sure it turns smoothly with no grinding. If it has some slop in it, it needs a coupler. No biggie, but if you want to replace it, you need to take the nose cone off. Make sure the bypass valve moves freely, and see if the BCA and BCS are included, along with the TB. I would not pay over $100.
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