Cam swap possible without removing heads/
Thread Starter
Safety Car
Joined: Jul 2001
Posts: 4,871
Likes: 15
From: Detroit's West Side MI
Cam swap possible without removing heads/
I need to go back to a stock cam for reasons that can be explained later.
I am well versed in C5's so I know all the basics, sadly the motor was out of the car three days ago and I'd rather not yank it again if I can change the cam without doing so. Can I slide the cam out and back in without pulling the heads? Do the lifter trays keep the lifters from dropping?
Thanks!
Ugh. And how do I edit the thread title?
I am well versed in C5's so I know all the basics, sadly the motor was out of the car three days ago and I'd rather not yank it again if I can change the cam without doing so. Can I slide the cam out and back in without pulling the heads? Do the lifter trays keep the lifters from dropping?
Thanks!
Ugh. And how do I edit the thread title?
Uneducated autodidact
Joined: Feb 2001
Posts: 5,413
Likes: 252
From: West of the Sabine, Texas
I need to go back to a stock cam for reasons that can be explained later.
I am well versed in C5's so I know all the basics, sadly the motor was out of the car three days ago and I'd rather not yank it again if I can change the cam without doing so. Can I slide the cam out and back in without pulling the heads? Do the lifter trays keep the lifters from dropping?
Thanks!
Ugh. And how do I edit the thread title?
I am well versed in C5's so I know all the basics, sadly the motor was out of the car three days ago and I'd rather not yank it again if I can change the cam without doing so. Can I slide the cam out and back in without pulling the heads? Do the lifter trays keep the lifters from dropping?
Thanks!
Ugh. And how do I edit the thread title?
Oh, and no editing the title.....only mods can.
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
Some shops find it easier to drop the entire drivetrain to perform a cam swap. Doubtful the DIY guy has the proper tools. I've done it three times in my garage on jackstands; by the normal method.
Racer
Joined: Nov 2008
Posts: 257
Likes: 0
From: Plano IL
put the cam bolts back in the cam and spin the cam to get the lifters up in to the trays then insert the dowels to ensure they do not fall with the cam removed...that would be no bueno...
Le Mans Master
Joined: Oct 2010
Posts: 7,373
Likes: 1,128
From: cold & windy
Thread Starter
Safety Car
Joined: Jul 2001
Posts: 4,871
Likes: 15
From: Detroit's West Side MI
Piece of cake. Thanks for the help. Here's the procedure I used:
Pull timing cover, rockers, and pushrods. I also pulled the spark plugs and unplugged injectors so the engine is free-wheeling. Crank the engine for 10 seconds to put all the lifters up, and quickly pull the old cam and insert the new one. I had the new one lubed up and ready to go.
Pull timing cover, rockers, and pushrods. I also pulled the spark plugs and unplugged injectors so the engine is free-wheeling. Crank the engine for 10 seconds to put all the lifters up, and quickly pull the old cam and insert the new one. I had the new one lubed up and ready to go.
Last edited by ScaryFast; Sep 30, 2014 at 02:31 PM. Reason: typo
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Thread Starter
Safety Car
Joined: Jul 2001
Posts: 4,871
Likes: 15
From: Detroit's West Side MI
In general, my understanding from discussing with people who do more cam swaps that I do is that the lifter trays will keep them up for a short time, maybe even up to an hour. But certainly there is always risk...
Race Director
Joined: Sep 2005
Posts: 11,060
Likes: 291
From: Pasco WA
HaHa, yeah that would be a real trick to pull the crank with my method
In general, my understanding from discussing with people who do more cam swaps that I do is that the lifter trays will keep them up for a short time, maybe even up to an hour. But certainly there is always risk...
In general, my understanding from discussing with people who do more cam swaps that I do is that the lifter trays will keep them up for a short time, maybe even up to an hour. But certainly there is always risk...