Quote:
Originally Posted by The Radium King
yeah, adding washers (ie compressing the spring) doesn't change the rating of the spring. springs are rated at # / ". ie, it will take 40 lbs of force to compress a 40 #/" spring one inch. it will take another 40 lbs to compress it the next inch. ie, a total 80 lbs to compress two inches.
so, while the washers compressed your spring (and reduced amount of available travel) you didn't change the force required to compress the spring.
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Hmm, I have always assumed that as a spring is compressed resistance to the compression increases, but I understand what you are saying. My relationship with springs will be changed forever.
My initial observation that the oil pressure at idle has increased a bit with the new spring seems to be true after a bit more running time. I will be changing that spring in all my engines and in my friend Tony's car.
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Grant
Arctic Silver 2000 Boxster S - bought with a broken engine, back on the road with the engine replaced
Green 2000 Boxster 5-speed and 1978 928 auto
1987 924S 5-speed (Sold) - Blue 2000 Boxster 5 spd (Sold)
Last edited by elgyqc; 11-07-2023 at 08:20 PM.
Reason: added info
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