s4 or s5?
11-02-06, 02:28 PM
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90 rx7 convertable
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s4 or s5?
I have a '90 vert and I was wondering what series motor I have. Also what kind of power that it has stock. I have a monza cat back and a K&N so it's almost stock.
11-02-06, 02:39 PM
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Series 4' ended in 88, so your '90 is a series 5. Check out the frequently asked questions section at the top of this forum. You can get a lot of answers there.
