A thirty year wait is over
#11
You might have to turn it a little bit at a time and repeat the process if it's really stuck bad until you can spin it over completely.
#13
Join Date: Nov 2007
Location: Eastern PA,
Posts: 10,359
You can buy cheap bore scopes on amazon. I think I spent 16ish dollars for one. Might be worth it before you pull the head. If the rust is real bad your best off scraping the short block. Everyone has story's of people unlocking motor but the reality is even the ones that get one unlocked tend to have issues in a few thousand miles. Cracked rings, smoking, knocking. Rust is hard, at best it is like running sand through the motor. If you can look in there and you see light rust in two cylinders I would move forward but if the intake valve did not fully seat and the 5 cylinders or more have heavy rust I would just move forward. Used short blocks should not be too hard to find. I know it is more work but I would dread pulling the motor less then I would pulling the heads. My back hurts just thinking about it.
BTW did any oil get to the oil ?
BTW did any oil get to the oil ?
Last edited by Gorn; 09-14-2023 at 01:11 PM.
#14
You can buy cheap bore scopes on amazon. I think I spent 16ish dollars for one. Might be worth it before you pull the head. If the rust is real bad your best off scraping the short block. Everyone has story's of people unlocking motor but the reality is even the ones that get one unlocked tend to have issues in a few thousand miles. Cracked rings, smoking, knocking. Rust is hard, at best it is like running sand through the motor. If you can look in there and you see light rust in two cylinders I would move forward but if the intake valve did not fully seat and the 5 cylinders or more have heavy rust I would just move forward. Used short blocks should not be too hard to find. I know it is more work but I would dread pulling the motor less then I would pulling the heads. My back hurts just thinking about it.
BTW did any oil get to the oil ?
BTW did any oil get to the oil ?
I think my thought process was, I was prepared for it to not work and to have to rebuild the motor. But once I got it "home," and started working on it, I really just wanted to drive it around even just a little while I took my time and built a motor up. Also, trying to do much more than this on a driveway down the street sucks. There is a thought in the back of my head that I jumped the gun because I waited so long and couldn't foresee another opportunity with the kids about to start college.
#15
How are you trying ti turn it over? The starter isn't going to do it you'll need a breaker bar and socket on the crank.
Work it back and forth a little at a time if it moves at all.
#16
I am keeping my options open, and looking at some used LT1s to swap in, and maybe take this and bore it out and stroke it for future use.
#17
I was just tightening and loosening the crank bolt, so I bought a flywheel turner. Was concerned I'd break the bolt and give me another problem.
I am keeping my options open, and looking at some used LT1s to swap in, and maybe take this and bore it out and stroke it for future use.
I am keeping my options open, and looking at some used LT1s to swap in, and maybe take this and bore it out and stroke it for future use.
The main shortcoming of the LT1 is that goofy Optispark ignition but internally they are a really tough motor.
My '93 had 222,000 miles on it when I sold it and still ran like a scalded dog.
#18
I decided I was never going to get enough leverage with the flywheel turner, so I bought a crank turner. Should also keep me from having to put it on jack stands near as much. Win-win.
#20
Well it sounds like you got her loose and turning over that's great!
Before you try to start it get some fresh oil in the motor,something cheap will do because after she starts and runs for a few minutes a couple of times you'll want to change the oil and filter before trying to drive it.
When you get that far you'll want to change the oil and filter again after a few trips around the block to get as much of the rust out as possible.
Then I'd change it again after a couple hundred miles,you want to keep fresh oil in her as much as possible for a while and change that filter with it.
Before you try to start it get some fresh oil in the motor,something cheap will do because after she starts and runs for a few minutes a couple of times you'll want to change the oil and filter before trying to drive it.
When you get that far you'll want to change the oil and filter again after a few trips around the block to get as much of the rust out as possible.
Then I'd change it again after a couple hundred miles,you want to keep fresh oil in her as much as possible for a while and change that filter with it.