TDC or compressor for valve springs?
TDC or compressor for valve springs? Which method have you guys found to be easier or quicker. I don't mind taking the extra time if one is better than the other. Cam goes in next weekend and wanted to have every thing ready. Thanks.
John
John
TECH Apprentice
Joined: Oct 2003
Posts: 353
Likes: 0
From: Fort Davis TX
Well,
I used the air method. Not to bad except for cylinder #8
I think if you still have your Timing cover off, their is a diagram that shows when what cylinder is at TDC, this seems like it would be easier, but I have never done it that way.
Check outBlains Page
under modifications/ cam install, their are a couple of pics of the tools i used.
I hight recommend them
I used the air method. Not to bad except for cylinder #8
I think if you still have your Timing cover off, their is a diagram that shows when what cylinder is at TDC, this seems like it would be easier, but I have never done it that way.
Check outBlains Page
under modifications/ cam install, their are a couple of pics of the tools i used.
I hight recommend them
ive done both and tdc is much easier imo. using an air compressor, after getting the fix plug threaded into the spark plug hole it was always a pain trying to thread the hose into the plug. then there were leaks. too much of a pain
for tdc i just took out all the plugs, put my finger in cyl 1 spark plug hole and turned the engine over until air stopped coming out. tdc right there, changed 1 and 6. than did the same thing in cyl number 3, than 5, than 7
worked great
for tdc i just took out all the plugs, put my finger in cyl 1 spark plug hole and turned the engine over until air stopped coming out. tdc right there, changed 1 and 6. than did the same thing in cyl number 3, than 5, than 7
worked great
I'll probably use TDC using JMX's site. When the Dot on the crank gear is straight up, 1 and 6 are up and can be changed. How far will the valve fall down before it hits the piston? Has anyone used the TDC method mentioned on JMS's webpage in regards to which cylinder is up? Also, how can a check and make damn sure that cylinder is up? Thanks in advance!
John
John
Last edited by John02SS; Nov 1, 2003 at 08:24 PM.
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On The Tree
Joined: Jul 2003
Posts: 117
Likes: 0
We used this method on my friend's LT1. To make sure that the piston was at TDC, we stuck the tip of a tie wrap into the spark plug hole and slowly turned the crank until we felt the piston contact the tie wrap. The valve shouldn't drop to much. We almost dropped a valve the one time we didn't check, but luckily the valve stem seal caught the tip of the valve. Good luck.
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