When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
What exactly did you buy? Comp cams are good, but certain ones require upgraded valve springs, gears, fly cut pistonsand a tune. Any idea which ones you got?
Did you buy your parts used? Comp makes a couple different cams for our application. If they are aftermarket PI cams I do not beileve you can use them with your NPI engine, as you will have contact between the pistons and the valves.