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Old 08-03-2018, 09:45 PM
iskyski iskyski is online now
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1995 LT1 Engine...9 quarts of oil?

Hi guys, first time posting, new to Mastercraft boat ownership.

A few months ago I purchased a 1995 Mastercraft Maristar 200VRS with what I believe to be the LT1 engine. The previous owners had recently done an oil change before I purchased it, but over the last three months I have put about 50 hours on the engine and I decided to change the oil. I was able to drain the oil through a hose attached to the bottom of the oil pan, feeding it out my drain plug hole. To my surprise, the engine drained 9 quarts of engine oil. Over the last three months, whenever I have checked the oil, it read in the normal operating zone on the dipstick.

After reading several threads on this forum, I decided to only put in 5 quarts of oil initially. I checked the dipstick, ran the boat for 10 minutes, let everything settle for a few minutes, again checked the dipstick and no oil was seen on the end of the dipstick. I added 2 more quarts of oil, one at a time, but it still showed low oil on the dipstick. It shows oil up to the “Add” line but still not in the “Operating zone".

I stopped at 7 quarts because it seemed like a lot of oil. My guess is that I have a bad/wrong dipstick for my engine. The boat is level on the trailer. I think the previous owners had put 9 quarts of oil errantly because they were basing it off of the dipstick. Everything I find on this forum suggests ~5 quarts is the recommended amount for my engine.

1. Can someone verify that this is the LT1 5.7L V8 engine?

2. Does this look like the appropriate dipstick?

3. How much oil should I have put in/do I need to take some out?

4. Any other thoughts on what might be going on?

Thanks in advance for your help.
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Old 08-03-2018, 09:49 PM
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that is an LT1 intake manifold which has a capacity of around 5 quarts.

may have the wrong dipstick ?
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Old 08-03-2018, 10:21 PM
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I am pretty sure that is the wrong dipstick. My '96 LT1 has a black T-handle. I will see if I can find a pic. I can measure it for you tomorrow. I run a long version of the oil filter and take just a little over 5 quarts.
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Old 08-03-2018, 10:35 PM
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Is that a remote oil filter you have? What is the white cylinder with the Y sticker?
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Old 08-03-2018, 10:52 PM
iskyski iskyski is online now
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Very helpful, thank guys! I think I will take 1-2 quarts out bringing it back down to around 5.


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Old 08-03-2018, 10:56 PM
iskyski iskyski is online now
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Quote:
Originally Posted by Table Rocker View Post
Is that a remote oil filter you have? What is the white cylinder with the Y sticker?


It is a plastic container that fits around the servo motor of the perfect pass system. I guess what was happening was when surfing, water was getting in the bilge area/engine compartment and the belt was flinging water straight at the servo motor. It fried the original servo motor and had to be replaced. I guess it’s essentially a shield to block water from hiring the servo motor.


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Old 08-03-2018, 10:57 PM
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I found a similar thread:
http://www.mastercraft.com/teamtalk/showthread.php?t=56547
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Old 08-03-2018, 11:03 PM
iskyski iskyski is online now
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There it is! Yeah I should have thought through it better before adding 2 more totaling 7 quarts. Thanks for the find.


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Old 08-03-2018, 11:09 PM
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The correct dipstick for all Indmar 350's is available, as is the correct tube. I think your tube has either been changed or is missing the little funnel at the top of the tube that the correct dipstick fits into.

http://inboardonline.com/search.php?search_query=dipstick
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