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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


 
 
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Old 05-17-2011, 12:07 AM   #1
tongva
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sr20det Valve Specs

So in the fsm there is no information on the valves or numbers. i understand that the valve lashes are hydro so they will self adjust. but I would like the numbers of the exhaust and intake valve height. basically im looking for valve lash, the FSM has a spec for balancing shim valve with bucket valve, but no initial valve stem height(valve seat height to be technical) when seated. im doing replacing valve seats as well as valves, and any other info other than that given in the FSM would be much appreciated. HEre an example to get an idea what im talkin about. These numbers are from the pulsar. I would like the 180sx sr numbers:

valve clearance

hot 0.30mm-0.035 cold 0.21-0.28

camshaft clearance

hot 0.20-0.23 cold 0.14-0.17
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