Doing heads/cam - figuring out timing / install order
Current state of vehicle/engine:
- Heads are off and are receiving a 3 angle valve job from a local machine shop. They are also milling them and installing my new springs.
- Cam and timing chain/sprockets are also out
- Install crank sprocket
- Position crank sprocket dot at 12 0'clock. #1 piston should be at top of bore (..as well as #6?)
- Install camshaft
- Install camshaft sprocket
- Position camshaft sprocket dot at 6 o'clock
- Install chain without disrupting dot positions
- Install lifters - these should be fully recessed in the block for piston (as this is TDC)
- Install heads (following proper torque sequence)
- Setting valve lash / adjusting rockers / figuring out pushrod length is a topic for another day
- one miracle at a time.
...Does this all sound right?
Adjusting valves- most accurate way is EOIC. I explain it in a video here:
Other than that, sounds good. Timing cover goes on first. There are flanges on the bottom inside and outside of the timing cover that straddles the front of the oil pan. You'll see what I mean.
These are Morel 7717 lifters, they were recommended by Tick for the Hatermaker cam.
@SS RRR While I have your attention - you mentioned in the "Why do you keep your LT1" thread that a lot of bad bearings came from bad installers letting the engine became contaminated with dirt/contaminants. Is there anyway to verify I didn't contaminate anything?
If I contaminated a coolant passage, I could probably do the shbox flushing method?
If it's an oil passage contamination, I figure it'd be in the first oil change or at the bottom of my old pan.
I tried to treat my engine bay like an operating table - but mistakes do happen.
EDIT: Also, saved your video for later.
@SS RRR While I have your attention - you mentioned in the "Why do you keep your LT1" thread that a lot of bad bearings came from bad installers letting the engine became contaminated with dirt/contaminants. Is there anyway to verify I didn't contaminate anything?
If I contaminated a coolant passage, I could probably do the shbox flushing method?
If it's an oil passage contamination, I figure it'd be in the first oil change or at the bottom of my old pan.
I tried to treat my engine bay like an operating table - but mistakes do happen.
EDIT: Also, saved your video for later.
Before stabbing the cam ensure the entire camshaft is covered with either a heavy weight oil or install lube. Examine both lobes and journals carefully to ensure there are no dings that can damage bearings or rollers on lifters. You really have to be careful if the engine is in the car to make sure the cam snout does not bang up against the radiator support or you can gouge the journal. What I've always done is after installing the cam is to get an oil pump priming tool. Since that part of the engine is under the cowl I had to cut the tool down in order to make room for a right angle drill to fit under there. I change the oil with fresh "cheaper/parts store brand" oil and then run the oil pump for several minutes to ensure the rear cam journals are lubed. One other instance I did not mention in that thread are people who do not lube the cam properly, install it and either use the starter to turn the engine/oil pump to prime or simply start it. I've ran the engine with that same oil and go around the block just cruising to ensure everything is good and then change it to one of the more popular brand oils.
This might be a redundant step since I assume the timing sprocket can only go on one way, which means if the dots line up, it has to be correct.
Before stabbing the cam ensure the entire camshaft is covered with either a heavy weight oil or install lube. Examine both lobes and journals carefully to ensure there are no dings that can damage bearings or rollers on lifters. You really have to be careful if the engine is in the car to make sure the cam snout does not bang up against the radiator support or you can gouge the journal. What I've always done is after installing the cam is to get an oil pump priming tool. Since that part of the engine is under the cowl I had to cut the tool down in order to make room for a right angle drill to fit under there. I change the oil with fresh "cheaper/parts store brand" oil and then run the oil pump for several minutes to ensure the rear cam journals are lubed. One other instance I did not mention in that thread are people who do not lube the cam properly, install it and either use the starter to turn the engine/oil pump to prime or simply start it. I've ran the engine with that same oil and go around the block just cruising to ensure everything is good and then change it to one of the more popular brand oils.
I was more concerned about the old head gasket material getting into passages.
Is there an issue with the rear cam journals being lubricated?
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This might be a redundant step since I assume the timing sprocket can only go on one way, which means if the dots line up, it has to be correct.
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