How do you know if my 1.7 rr will work with my extra set of vc's?

bjl95mustang

Founding Member
Jan 18, 2000
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Austin,TX
A buddy gave me a set of valve covers from his 94. I have 1 set of blue 1.6 rr and a set of cobra 1.7 rr. I was playing with the rockers and it seemnd to have plenty of clearance without gaskets. If i'm going to have problems where will I?