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Last week I went to the boat to run the engines in my slip. It is in fresh water river a little north of lake Pontchartrain outside of New Orleans, LA. I checked the engine oil and coolant level in both DD 6V92TA engines before starting them. The levels were normal full, about 2" below the cap...

I just installed two Murphy Mechanical temperature gauges on the flybridge of my Chris Craft 422 powered by twin Detroit diesel 6V92TA engines. The installation required 30 ft of capillary tube. After warming up the engines at the dock to about 140F measured by my Stewart & Warner mech gauges in...

Yesterday I visited my local Detroit Diesel distributor to purchase replacement coolant for my two 6V92 TA engines. It has been a little over 2 years since the coolant was replaced. I had been using PenCool 2000 with distilled water only, since the boat only operates on the Gulf coast. To my...

I have DD 6V92 TA engines with Allison M20 gears on my 1985 Chris Craft 422Commander and would like to install manual pressure gauges in the ER. Chris Craft did not install any pressure gauges on the gears only high temp idiot lights on the bridge. After reading a few of the posts' on the site...

After recently installing new cutlass bearings and having my shafts and couplings checked I am performing the coupling alignment on both Allison MH 20 gears. The new cutlass bearings changed my shaft location slightly. I just finished aligning the port coupling after fighting rusty bolts and...

My Mech & I performed an in frame overhaul 50hrs ago to both of my 6V92 TA engines in my 1985 42' Chris Craft Commander. The engines run great but the oil pressure seems very low at idle (~550 Rpm) after cruising for a while and reaching temperature. The pressure is over 40psi while at...

When you change the oil on the Allision MH Gear do you check the level with the engine running or stopped? Thanks, joesig

I was told that a modification was performed to the twin 1985 DD6V92 TA's on a boat that I am looking at by changing from air cooled to water cooled turbo's including the entire exhaust system, anybody ever herd of this modification? It's on a 42' Chris Craft .thanks, joesig

I am new to this forum and have been looking for a used 41-42' convertable, I have focused mainly on the 42' Bertrams but today I started to give serious thoughts on a 41' Hatteras Convertable. My wife likes the cabin of the Hatteras. I have been told some 41's had cored bottoms, when did...