That's right - alongside/around the cylinders and at the very bottom of the cooling area. Sometimes they come back clean enough, but sometimes they don't. Jab a screwdriver into the bottom of the cooling area all around the cylinders and make sure there's no scale or hard sediment that can be loosened.

Frank

'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum