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-   -   HP500 Valve spring change.... (https://www.offshoreonly.com/forums/general-q/310338-hp500-valve-spring-change.html)

kennyo 03-31-2014 09:30 AM
HP500 Valve spring change....
 
I'm changing the springs next week on my engines and was curious how you check/shim for proper spring height with the heads still on the engine....I could probably figure it out but I'm sure someone knows an easier way.... They only have 120 hrs so I don't want to remove the heads. If I did that it would be a slippery slope...:)

Unlimited jd 03-31-2014 11:16 AM
With a valve spring micrometer I did mine last week.

ezstriper 04-01-2014 09:04 AM
I take a outside mic, cut a piece of rod(coat hanger etc) and grind to installed height I'm looking for, then with air in cyl ck/shim with just retainer and keepers in place...Rob

kennyo 04-01-2014 12:12 PM
Originally Posted by lil red (Post 4098810)
With a valve spring micrometer I did mine last week.
Did you do ea individual spring??

Unlimited jd 04-01-2014 02:41 PM
Yes every single one... Grab a snickers you're gonna be awhile

chris302 04-02-2014 07:04 PM
Originally Posted by kennyo (Post 4098766)
I'm changing the springs next week on my engines and was curious how you check/shim for proper spring height with the heads still on the engine....I could probably figure it out but I'm sure someone knows an easier way.... They only have 120 hrs so I don't want to remove the heads. If I did that it would be a slippery slope...:)
Just did mine also. Summit has the spring height micrometers and valve spring compressors the proform compressor works good for under 50 bucks, makes life a lot easier.


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