HELP with type r springs
04-01-2009, 05:11 PM
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HELP with type r springs
Ok heres the deal I have type r valve springs installed on a b16 head with brand new standred b16 valves along with buddy club spec 3 plus cams. Assuming my springs bind at 13.1, then 11.6 should be my limit which is just a hair under my cams but with all other variables it should be fine.
So I had the machine shop do a pressure test, valve job, and installation. My question is, when I got the springs put on at the machine shop they said it measured 75lbs of pressure on the seat (with no lift). It seems that the type r should be at 42 pounds with no lift and 79 pounds at .200 lift, wtf? Could it be due to the valves (I thought they were the same size just heavier than the type r's. Im also wondering what it means when it says (the receipt) 550 travel at 456. Is that lift compared to height? which seems also way off.
Someone help me out!! thanks, brett
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So I had the machine shop do a pressure test, valve job, and installation. My question is, when I got the springs put on at the machine shop they said it measured 75lbs of pressure on the seat (with no lift). It seems that the type r should be at 42 pounds with no lift and 79 pounds at .200 lift, wtf? Could it be due to the valves (I thought they were the same size just heavier than the type r's. Im also wondering what it means when it says (the receipt) 550 travel at 456. Is that lift compared to height? which seems also way off.
Someone help me out!! thanks, brett
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