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Hi all,
I'm having an oil pressure issues with one of the mercruiser 5.7's on my boat and I think its a windage problem. This is a new 5.7 long block from M.M. with about 30 hours on it. The oil pressure is great on startup (60 psi) then drops to about 30 psi at hot idle. The pressure...
I have a pair of ZF63A (HSW 630 actually) transmissions behind my Mercruiser 5.7’s. This morning I backed out of the slip with both engines in reverse then tried to spin the boat by shifting the port gear into forward and nothing happened. This transmission will not go into forward or reverse...
I'm having oil pressure problems with my newly installed replacement engine. I have 50+ of oil pressure, then when I hit 3000 rpm's the pressure slowly drops to about 25 psi. If I drop the rpm's down to a bit the pressure jumps right back up to 50 psi. I thinks its a windage issue caused by...
When I checked the oil on my port engine the dipstick was covered in what I thought was milky oil. It looked slightly foamy and whitish. So I changed the oil and it came dark brown/black. It didn’t seem like any water was in actually in the oil. This engine has the external dipstick that...
HI, I just replaced one of the 5.7 mercruiser engines on my boat and I’m getting conflicting information on the base timing for this engine. The original engine was a 1994 5.7 bluewater ( S/N F490119). I found one manual that said the base timing was 8 Degrees BTC and another that said 10...
