2000 trans am stroker 8k miles o oil psi
03-21-2013, 03:38 PM
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2000 trans am stroker 8k miles o oil psi I think I have a big problem!!!! My car sat for about 5 weeks. I took it out for about a 20 min drive no problems. Went to work and on the way home yesterday, after some hard driving... I came to a stop sign, stopped, and went to drive on. Punched it and noticed that my oil psi went from ~50 to 0. Babied it home about a mile. Checked it out this afternoon it set for a while. Started it up and it is running smooth. I assumed the sending unit went bad. Removed the oil cap and shined a flashlight into the valve cover and saw NO oil squirting. The motor is a built stroker 8k miles on it. K-1 stroker crank stock bore 4’’ stroke
eagle rods stock length
mahle forged pistons
all machine work done by P&M performance
comp cam 242/244 .610/.612 (polluter)
slp heads, that’s all I know about them
Futral hardened push rods
high pressure high flow ported oil pump (slp)
fast 92 with 102 TB
pace setter long tubes
rollmaster double roller timing set
Is it common for the slp oil pump to fail? Is this the problem?
eagle rods stock length
mahle forged pistons
all machine work done by P&M performance
comp cam 242/244 .610/.612 (polluter)
slp heads, that’s all I know about them
Futral hardened push rods
high pressure high flow ported oil pump (slp)
fast 92 with 102 TB
pace setter long tubes
rollmaster double roller timing set
Is it common for the slp oil pump to fail? Is this the problem?
03-24-2013, 04:16 PM
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A friend of mine said that too, he said to put a few quarts of oil in to bring the level up past just to see if it registers. If psi comes then the pickup is the problem. Is the oil pan a pita to remove?
03-24-2013, 04:33 PM
#4
Consider the events leading up to the pressure loss....I think you have a more serious issue.
03-26-2013, 01:24 PM
#5
I just removed my oil pan yesterday because of this same issue. I was thinking the pickup tube gasket got pinched when I installed it and it broke off after driving it. Not the case. Some how some of the rubber parts on my oil pan gasket broke lose and clogged up the pickup tube.
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03-31-2013, 03:05 PM
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Procrastanation or just lazy, but I still havent done anyhting yet. The oil level is correct as per the dipstick. I am hoping it is a blockage. I will be working on it tomorrow! I will gook up a mechanical gauge first as it will be the easiest to check. I am prepared to pull the pan and check things hopefully finding the problem!
04-01-2013, 02:08 PM
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got some work done today. Hooked external oil psi gauge reads zero, quickly shut off motor. Went to drain oil and when I removed the drain plug I found this... What is it?
04-01-2013, 02:39 PM
#11
Looks like a rocker arm needle bearing. I'm guessing you don't have the trunion upgrade that replaces the stock rocker bearings? I'd pull off the valve covers and find which rocker let go. Hopefully they didn't cause serious damage...but with 0 oil pressure I'm thinking you weren't so lucky.
04-01-2013, 03:01 PM
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LOL I just got done reading the sticky on the trunion upgrade. I am trying to think about the least expensive to go about fixing this. I imagine there is garbage in the oil pump. The bearings are making NO noise but the rockers or lifters were noisy. I might get away with the trunion upgrade and a new oil pump.
04-01-2013, 04:57 PM
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yea me 2! I must have a messed up screen on the pickup for the oil pump to suck up a bearing. Is there any other pin that is hardend steel that looks chromed about 1/16" wide in the motor, or is that definately a rocker bearing?
04-01-2013, 08:32 PM
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I am gonna slowly tear this apart I will post some pics. Any reason to not order oil pump yet? I think I am gonna just put the ls6 pump in instead of putting in another slp model
04-02-2013, 03:44 PM
#17
I'd wait till I tore it down to order stuff so you can order everything you need at once. If it took out a lifter it prob got the cam too. I have a TSP LS6 pump on my 408 and its been great.
04-02-2013, 07:01 PM
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OK.... So I pulled the valve covers and pulled a rocker and looked at the needle bearings. The needle bearings are 1/2 the size of the pin I got out of my oil pan. I have to assume it is a lifter roller pin! I was slowly pulling stuff off of the engine. I got down to disconnect a plug and noticed the front timing cover on the bottom of the crank pulley was exploded! I poked it and a piece of the cover came off and some oil pump innards came out. kept poking and proding more came out. I pieced the vanes of the pump togother and it looks like that pin definately was the cause of the pump exploding. So... estimating the damage, I think the crank rods and pistons are good. The heads are good. I am thinking at the worst I am gonna need to replace lifters cam oil pump and timing cover, and at best oil pump lifters and timing cover? I work all day and my garage is full of a 53 chevy pickup I am chopping and my motorcycle so am working outside in the drive way! Can yall think of any other areas that I should look over. Obviously I am going to pull the lifters and cam to inspect, might as well pull the entire motor and inspect all of it???
04-02-2013, 07:05 PM
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OK.... So I pulled the valve covers and pulled a rocker and looked at the needle bearings. The needle bearings are 1/2 the size of the pin I got out of my oil pan. I have to assume it is a lifter roller pin! I was slowly pulling stuff off of the engine. I got down to disconnect a plug and noticed the front timing cover on the bottom of the crank pulley was exploded! I poked it and a piece of the cover came off and some oil pump innards came out. kept poking and proding more came out. I pieced the vanes of the pump togother and it looks like that pin definately was the cause of the pump exploding. So... estimating the damage, I think the crank rods and pistons are good. The heads are good. I am thinking at the worst I am gonna need to replace lifters cam oil pump and timing cover, and at best oil pump lifters and timing cover? I work all day and my garage is full of a 53 chevy pickup I am chopping and my motorcycle so am working outside in the drive way! Can yall think of any other areas that I should look over. Obviously I am going to pull the lifters and cam to inspect, might as well pull the entire motor and inspect all of it???
04-02-2013, 07:19 PM
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I guess I cant until I look at them, however in my experience when rods break or are jacked the block wont turn. Pistons jacked up it could turn but not run right, and when crank is jacked there is a knocking. I will still inspect these items however my money is on the fact they are ok!