compression

Twin 454 / 7.4 liter engines. Looking to purchase. Survey other than mechanical - passed with flying colours. Sea trial - ran like a charm - 28 mph @ 3200 rpm - both engine perfectly synchroed. Both temp guages @ 165. Ran strong, no missing, no issues. Had my tech perform a compression test - 4...

I have a 1985 Sea Ray 260 it has a 5.7 liter engine. I have just run a compression test and have the following results: DRY WET 1) 142 209 2) 126 205 3) 180 224 4) 185 215 5) 125 170 6) 105 160 7) 185 208 8) 120...

My wife and I are just in the process of buying our first cruiser and have an offer on a 2001 Sundancer 340 with the 7.4MPI MerCruisers. We have had a survey completed with only one finding based on the sea trial - at WOT the starboard engine runs at about 4150 RPM, which is about 250RPM less...

Ive gotten some great feedback on some things to ask and look for on my boat survey next week (2006 320 with 58 hrs). I am meeting the inspector next thursday and going to be there when he checks it out. He says that he does not to compression testing and when we do the sea trial and run the...