C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Hot cams installation tutorial

Old Dec 24, 2017 | 09:12 PM
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Default Hot cams installation tutorial

Does anyone have a link with instructions on how to change cams on a 1994 C4 LT1. This has become a mission to find.

Thank you in advance.
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Old Dec 24, 2017 | 10:42 PM
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Originally Posted by C3LT1
Does anyone have a link with instructions on how to change cams on a 1994 C4 LT1. This has become a mission to find.

Thank you in advance.
I can't tell you but maybe a suggestion would be to buy a FSM for your car so you can see how to take something out? If you don't know how to, it might be best you can find a factory approved way instead of someone who has done it 1000 times give you his shortcuts.
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Old Dec 27, 2017 | 08:07 AM
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Not sure if this helps, but it's no different than any other cam change, other than taking the opti and the balancer off the engine. Also make sure you have the correct valve springs. I always like to put the engine at #6 TDC before I start and mark everything so it gets installed exactly the way it came apart. Get a grease pencil before starting. You can swing the condenser out of the way so you don't need to discharge the a/c system also.

I'm not sure if you need to lower the oil pan to get the timing chain cover off an LT1 engine. I'm sure others can chime in.
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Old Dec 27, 2017 | 08:46 AM
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Originally Posted by cadmaniac
Not sure if this helps, but it's no different than any other cam change, other than taking the opti and the balancer off the engine. Also make sure you have the correct valve springs. I always like to put the engine at #6 TDC before I start and mark everything so it gets installed exactly the way it came apart. Get a grease pencil before starting. You can swing the condenser out of the way so you don't need to discharge the a/c system also.

I'm not sure if you need to lower the oil pan to get the timing chain cover off an LT1 engine. I'm sure others can chime in.
Yes but the cam needs to be able to play with the ECM or you have to reprogram. If you are unable to find a dyno facility that can do it, you have to work with it being close to stock and that kind of negates much gain.
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Old Dec 27, 2017 | 11:27 AM
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This was a great resource to me. There are some differences between the two but is nearly identical in procedure.

http://shbox.com/ci/cam_removal.html

PM me your email and I’ll get you one specific to Corvettes.
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Old Dec 27, 2017 | 12:19 PM
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Originally Posted by 9T3VETTE
This was a great resource to me. There are some differences between the two but is nearly identical in procedure.

http://shbox.com/ci/cam_removal.html

PM me your email and I’ll get you one specific to Corvettes.
I used shbox plus FSM. Take it slow, label all parts and place in ziplock bags, and take a ton of photos, each step of the way. best of luck. keep us informed.
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