How should valve spring be changed?
Thread Starter
Burning Brakes
Joined: Aug 2004
Posts: 903
Likes: 4
From: Oakville
How should valve spring be changed?
I have a mild cam and have patriot dual valve springs. How long would these normally be good for?
I bought the car 1 month ago and the previous owner put about 10000miles on the cam/spring set up.
Thanks
I bought the car 1 month ago and the previous owner put about 10000miles on the cam/spring set up.
Thanks
Tech Contributor
Joined: May 2008
Posts: 2,843
Likes: 16
From: Howell Michigan
St. Jude Donor '09-'10-'11
This is strange; I thought the whole reason for going from single beehive spring to a double was protection for a spring failure. If this is true, why change them to just change them?
Tech Contributor
Joined: Sep 2005
Posts: 1,731
Likes: 82
From: New Market AL
I put a little over 50k miles on my Patriot dual golds with a 224/230° XFI lobe cam. Back in the summer I noticed my mph was down at the dragstrip, and after I replaced the springs it is back up to 95.8 mph in the 1/8 mile. I may have been pushing my luck with that many miles and .60x lift. Considering the low cost of 16 replacement spring sets, it would be a good move on a car you don't know the full history on. I would be more worried about sustained high rpms and banging off the rev limiter than 10k miles.
I bought an in-car spring compressor tool from a guy on LS1Tech (Tim's Tool). It's basically a flat plat and a stud. For $35 it is a pretty inexpensive compressor, and it works well enough - just one spring at a time. I recommend having a few spare valve locks on hand - just in case. And stuff a rag along the top of you exhaust manifolds to keep parts and tools from falling...
I bought an in-car spring compressor tool from a guy on LS1Tech (Tim's Tool). It's basically a flat plat and a stud. For $35 it is a pretty inexpensive compressor, and it works well enough - just one spring at a time. I recommend having a few spare valve locks on hand - just in case. And stuff a rag along the top of you exhaust manifolds to keep parts and tools from falling...
Le Mans Master
Joined: May 2007
Posts: 5,393
Likes: 17
From: Belleville Mich.
I replaced all my stock LS 6 springs out a few weeks ago. Bought the car new. Has 13K miles on it.
Did the job myself. No labor charge!!
Too many horror stories in regards to valve spring failure.
As a matter of fact, there is a story today here on the forum
in this regard. Spring failure caused engine to puke. It was a 2002 Z 06 w/ the LS/6 motor.
Did the job myself. No labor charge!!
Too many horror stories in regards to valve spring failure.
As a matter of fact, there is a story today here on the forum
in this regard. Spring failure caused engine to puke. It was a 2002 Z 06 w/ the LS/6 motor.
