Start to Finish: Building Our 50' Skater
08-21-2017, 01:45 PM
#1181
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Regardless. I think the point is that the spikes could be much higher than the 2kftlb you're engine can make so you would still be saving the drives from those spikes. So you would set it above or at the engines max torque output despite that being above the drives rating.
I figure the transmission will be my drive guardian. I'm sure it will slip when we go through waves I just hope it catches again after it starts to slip.
08-21-2017, 02:03 PM
#1182
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At first we did not want to run the stock manifold because the water jacket comes out on the flange that the turbo mounts to so we would be limited to the factory turbo, and it would be more restrictive then one we would make, Then we decided it would be easier to use the stock manifold and build a spacer between the manifold and turbo to have a place for the water to come out, but no one has the factory manifolds in stock. Cummins does not have any and I have not found any place that has any blown up engines or replacement parts to get one.
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What did you finally do for the exhaust manifold? Water jacketed custom made creation you modified a stock manifold?
08-31-2017, 03:49 PM
#1183
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Drive trim:
Most speed boats with a bustle you cannot trim the drive up as far as the cylinder will let it go or the drive will hit the overhang. My boat is a little taller which lets the drive trim completely above the bottom of the boat. That may come in handy when were stuck on a sand bar somewhere trying to take a short cut.
Most speed boats with a bustle you cannot trim the drive up as far as the cylinder will let it go or the drive will hit the overhang. My boat is a little taller which lets the drive trim completely above the bottom of the boat. That may come in handy when were stuck on a sand bar somewhere trying to take a short cut.
08-31-2017, 06:19 PM
#1185
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Location: Baton Rouge La.
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I'm sorry but on my phone I can't see this. Can you share this. I don't think it's true. Love this ship. Thanks for sharing everything your doing on this build. We will do anything we can' to see this Dream Come True.
08-31-2017, 07:21 PM
#1186
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08-31-2017, 08:02 PM
#1187
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08-31-2017, 11:40 PM
#1188
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Bell housings fit, except the pipe that goes to the intercooler had to modified a little to clear.
Anyone know if a dodge truck factory power steering pump would work instead of using a Saginaw style pump? The factory one will bolt right on, it has a way to take off the reservoir and use single external tank. On the factory marine cummins I tried in the boat I used a gear driven pump off the rear gear drive on the engine but these engines do not have a rear gear drive. And all the front gear drives are being used.
Anyone know if a dodge truck factory power steering pump would work instead of using a Saginaw style pump? The factory one will bolt right on, it has a way to take off the reservoir and use single external tank. On the factory marine cummins I tried in the boat I used a gear driven pump off the rear gear drive on the engine but these engines do not have a rear gear drive. And all the front gear drives are being used.
09-01-2017, 06:50 AM
#1189
Offshoreonly Advertiser
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Bell housings fit, except the pipe that goes to the intercooler had to modified a little to clear.
Anyone know if a dodge truck factory power steering pump would work instead of using a Saginaw style pump? The factory one will bolt right on, it has a way to take off the reservoir and use single external tank. On the factory marine cummins I tried in the boat I used a gear driven pump off the rear gear drive on the engine but these engines do not have a rear gear drive. And all the front gear drives are being used.
Anyone know if a dodge truck factory power steering pump would work instead of using a Saginaw style pump? The factory one will bolt right on, it has a way to take off the reservoir and use single external tank. On the factory marine cummins I tried in the boat I used a gear driven pump off the rear gear drive on the engine but these engines do not have a rear gear drive. And all the front gear drives are being used.
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Marc
www.mercruiserparts.com
www.go-fast.com
www.bammarine.com
www.cyborgtransmissions.com
It's not alive -www.BoatStuffExpress.com - temporarily retired
Marc
www.mercruiserparts.com
www.go-fast.com
www.bammarine.com
www.cyborgtransmissions.com
It's not alive -www.BoatStuffExpress.com - temporarily retired
09-01-2017, 10:18 AM
#1190
Registered
When I was ordering the pump for the marine cummins I wanted to make sure I had enough pressure and flow to where it could turn the drives really easy and really fast. I was not sure how much pressure and flow it would need with the arneson so when I spec'd the pump on the marine cummins I used one that would make 3000 psi and flowed 35 gpm at 3200 rpm and was capable of 27 HP. Needless to say it was enough. I could turn it lock to lock in about one second using one finger.
Update: Engine builder just called and said the factory ones are not very reliable at the high rpm and we will have to make a custom mount for it so I will just use a normal boat pump.
