Correct.If the manifold is warped,the new gasket will seal the issue for a few thousand miles and then you'll be back to where you are now.Take it apart,check twice and be sure.Doing things twice for something like a warped surface isn't fun.
Trim rings for factory 620 rims.Also three so-so wheel covers.$50.00 for all.
Weber conversion manifold.What you see is all i have.$100.00
Extra capacity fuel tank for bed mount 620's.THis is NOT a home built.This was built by a company in So.Cal back in the day.The Name dis-appeared when the tank was cleaned & coated.$150.00
All are priced WITH OUT shipping
Story time:When i got my Cobra on the road it was registered & tagged in Georgia.I transferred it to Kalifornia.Then i move to Az.TWO YEARS after moving to and registering my car in Az.,i get a letter from the Peoples Republik of Kalifornia's DMV gestapo AT MY TUCSON ADDRESS SUSPENDING my Kalifornia registration because they(Kalifornia) didn't like the way Georgia DMV did it's paperwork SEVEN YEARS PRIOR!!!!!
No need for proof.Logic(and physics) dictates that a stationary liquid above a heat source will be hotter than a liquid that is re-circulating thru a cool containor of liquid.