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josepcedwards
03-07-2011, 01:28 PM
Since my local mc dealer wants $175 just to change my oil i want to do it myself. There are two things i need to know. (81 S&S w/ 351W powerslot)
1) How many quarts does the 351 hold
2) How should i check the fluid? on the trailer, in the water, ect?

thatsmrmastercraft
03-07-2011, 01:41 PM
It will hold about 4 1/2 quarts of oil. Best to check in the water. I normally put in about 4 1/4 quarts and top it off in the water.

josepcedwards
03-07-2011, 02:15 PM
Awesome!!! Thanks!
Ill check right after a boat drives by!

Miss Rita
03-07-2011, 03:30 PM
When I bought my new-to-me '89 TriStar (351 engine) 18 months ago I assumed it held five quarts of oil, and that's what I put in when I changed the oil. Mid-season I checked the oil, and of course it was overfilled. Mine also has the oil drain hose attached to the pan, and I'm suspicious that not all the oil drains out. I wonder if I could get more oil out by using a pump.

Never assume anything.

josepcedwards
03-07-2011, 03:31 PM
When I bought my new-to-me '89 TriStar (351 engine) 18 months ago I assumed it held five quarts of oil, and that's what I put in when I changed the oil. Mid-season I checked the oil, and of course it was overfilled. Mine also has the oil drain hose attached to the pan, and I'm suspicious that not all the oil drains out. I wonder if I could get more oil out by using a pump.

Never assume anything.

I have the drain hose too. Do you think i should pump it?

thatsmrmastercraft
03-07-2011, 03:37 PM
Mine does not have a drain hose, so I use a pump. A properly warmed up engine should drain all the oil with the hose as long as the hose is routed correctly and the boat is at the correct attitude.

josepcedwards
03-07-2011, 03:39 PM
What oil do you run? It has mobile1 in it now.

thatsmrmastercraft
03-07-2011, 03:42 PM
I knew the can of worms would get opened sooner or later. I run Valvoline VR1 20W/50.

Willski
03-07-2011, 03:49 PM
Ha. I always ran Valvoline 10W40 in my S&S. always changed it and checked on the trailer.

josepcedwards
03-07-2011, 04:31 PM
Ha. I always ran Valvoline 10W40 in my S&S. always changed it and checked on the trailer.

Did you level it out?

josepcedwards
03-07-2011, 04:32 PM
I knew the can of worms would get opened sooner or later. I run Valvoline VR1 20W/50.

HAHAHA! Will the make the exhaust louder too!

thatsmrmastercraft
03-07-2011, 04:33 PM
If you do a little searching here, you can read just about forever on the big oil debate.

east tx skier
03-07-2011, 04:37 PM
Just search "ZDDP." Long story short, your Ford has a flat tappet cam and you can use the extra lubrication from ZDDP, the amount of which has been removed from a lot of popular oil brands over the last several years.

I also use Valvoline VR-1 20W50 in my Ford powered boat.

thatsmrmastercraft
03-07-2011, 05:05 PM
Just search "ZDDP." Long story short, your Ford has a flat tappet cam and you can use the extra lubrication from ZDDP, the amount of which has been removed from a lot of popular oil brands over the last several years.

I also use Valvoline VR-1 20W50 in my Ford powered boat.

Just couldn't resist, could you?

Jim@BAWS
03-07-2011, 05:23 PM
WOW!!! I need to raise my prices

Who is it?????/

thatsmrmastercraft
03-07-2011, 05:35 PM
WOW!!! I need to raise my prices

Who is it?????/

I think we all figured it was you Jim. :D

josepcedwards
03-07-2011, 05:53 PM
WOW!!! I need to raise my prices

Who is it?????/

Watersport in atlanta

TNPIG
03-07-2011, 06:41 PM
Watersport in atlanta

I'm sure you already know, but make sure you get the boat up to operating temperature before draining/pumping out the oil. Just my newbie .02

See...I'm learning

WilliM1940
03-07-2011, 11:40 PM
Specs in the PCM manual say 4 quarts plus 1 with the filter. The story goes the older Ford engines were delivered with incorrect dipsticks. Find your correct fill line and mark the stick with a file.

03geetee
03-08-2011, 07:13 AM
A little food for thought....

In a non high performance setting, low rpm ect a little extra oil is better then not enough in my opinion but do what you think is best.

JTR

blakehardesty
03-08-2011, 08:12 AM
Penzoil Gold 20w50 is what I use.

shortyx250
03-08-2011, 11:04 AM
I have been using Rotella 15-40. What do you all think of that.

1980 stars and stipes with the powerslot.

Miss Rita
03-08-2011, 11:18 AM
I think Rotella is great. I use 15W-40 in the boats, and synthetic 5W-40 in the motorcycle. The local AutoZone usually has the 15W-40 on sale for $10/gal each fall.

scott023
03-08-2011, 11:26 AM
Quaker State 15W40.

josepcedwards
03-08-2011, 11:49 AM
I have been using Rotella 15-40. What do you all think of that.

1980 stars and stipes with the powerslot.

I love rotella. I used to run it in my supermoto.

josepcedwards
03-08-2011, 11:50 AM
It has synthetic in it now... does that mean i have to get synthetic again?? I always heard that.

scott023
03-08-2011, 12:08 PM
It has synthetic in it now... does that mean i have to get synthetic again?? I always heard that.

We have synthetics in our vehicles, and I have been told not to switch to conventional oil, so I think you're best to stick with it.

thatsmrmastercraft
03-08-2011, 12:17 PM
I ran synthetic for the first 200,000 miles on the 5.8 in my F150, and switched to petroleum based oil when it started to use too much oil. I'm at 249,000 miles and still going strong. Uses 1 quart of oil between oil changes. This is on a Jasper Re-manufactured engine that I had worked up a bit. Motorcraft E303 cam to get things going.

east tx skier
03-08-2011, 02:23 PM
Just couldn't resist, could you?

If he knew what he avoided by not having to sift through the oil threads, I'm sure he'd thank me.

east tx skier
03-08-2011, 02:26 PM
I have been using Rotella 15-40. What do you all think of that.

1980 stars and stipes with the powerslot.

Rotella was great until they lowered the amount of ZDDP in it. When that happened, I stopped using it in my flat tappet Ford.

thatsmrmastercraft
03-08-2011, 02:39 PM
If he knew what he avoided by not having to sift through the oil threads, I'm sure he'd thank me.

You got that right.

josepcedwards
03-08-2011, 02:50 PM
You got that right.

Yea i know i messed up!