I am having a detonation problem with my 1989 260hp 350. It has a Holley 4bbl and the stock profile cam. The engine was installed Aug 04. When I get down on the hammer she will ping and rattle. When I try to run WOT it will ping. I am using 87 -89 octane but sounds like diesel fuel. The...
I have a 1989 Larson Senza with a Chevy 350 260hp in her. I put the new engine in last fall. It has run flawless until now. I had it out on the river with a chopper prop installed. I ran with the bow up for sometime to get it to plane off. Once it planed off I was rolling along and the...
I have a 21' Larson with a 350 engine. The engine was installed last August. The problem that I picked up over the July 4th weekend is that when I am on the throttle the engine just dies out. If you are quick you can pull it back and keep it running. It will run all day at idle. The boat...
