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Is there an easy way to tell if a 2.2 is an interfearance  engine or not. I have 3. one is  94 turbo but the other 2 could be 91 to 97.?

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Well, in 96 they changed to a single port header. 97 was the first year the were interference. So if it has dual exhaust ports, it's a clearance engine.

If it has single port exhaust, pull off the valvecover. In 97 they changed from hydraulic adjusters to solid adjusters. So if it has solid adjusters it's interference.

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90 - 96 are non-interference.

 

90 - 96 also have HLAs. this means there is no valve adjustment.

pull a valve cover and look.

Edited by johnceggleston

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