Hey guys what engine is in a 97 grand prix se. 3.1 or 3100. are they different. And I have the Push rod order for a 99 grand prix with my same engine, would they be different from a 99 to a 97 grand prix. My Pushrods are 5-3/4 and 6.0 inch. are they the same order in a 97 and 99 grand prix.