Running an 81 2.4/225hp. I replaced the impeller, t-stats & poppet recently and at idle WP is 12-14psi. Noticed last week while on a test run with the wife at the lake that at WOT, 5800-6000rpm, WP seemed to be around the same (10-12psi)<br />At mid, 3-4200rpm it was at 15-18psi.<br /><br />Is...