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ask for opinion....about spark plug
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<blockquote data-quote="Lan Dugong" data-source="post: 1786158" data-attributes="member: 2152"><p>that's how we deal with bigger turbos and the air/fuel ratio mixture. the 900'c of egt reading is where u put your sensor at the manifold before the turbo. if put after turbo i.e. at the downpipe, the warning temp will be lower i.e 750'c but i would suggest cucuk at the manifold.</p><p>900'c is the at least safe point for the engine, this is basic principal. but dont be surprise if you set the fuelling during max boost at 3rd gear at 880'c, when u floor at 4th gear, the egt climbs further up! hehehe...in other words, i would suggest to set the egt at 900'c during full throttle & max boost u desired at 4th gear and 5th gear.</p><p>my egt is always not more then 850'c.</p><p>but since i changed to walbro, my egt hardly goes more then 820'c now whether at 1bar/1.1bar/1.2bar. for information, a pump's lph will drop a little by a little as the boost goes higher and higher. higher flow pumps will be more effective then normal pumps at higher boost level. a friend shared about comparison between 10 fuel pumps, walbro has the best pressure lph at higher boost 1bar and above.</p><p></p><p>and like ong said, even though you've set your egt cun-cun, dont be surprise if on the dyno roller, your engine is a little lean...not lean, just a little lean.</p></blockquote><p></p>
[QUOTE="Lan Dugong, post: 1786158, member: 2152"] that's how we deal with bigger turbos and the air/fuel ratio mixture. the 900'c of egt reading is where u put your sensor at the manifold before the turbo. if put after turbo i.e. at the downpipe, the warning temp will be lower i.e 750'c but i would suggest cucuk at the manifold. 900'c is the at least safe point for the engine, this is basic principal. but dont be surprise if you set the fuelling during max boost at 3rd gear at 880'c, when u floor at 4th gear, the egt climbs further up! hehehe...in other words, i would suggest to set the egt at 900'c during full throttle & max boost u desired at 4th gear and 5th gear. my egt is always not more then 850'c. but since i changed to walbro, my egt hardly goes more then 820'c now whether at 1bar/1.1bar/1.2bar. for information, a pump's lph will drop a little by a little as the boost goes higher and higher. higher flow pumps will be more effective then normal pumps at higher boost level. a friend shared about comparison between 10 fuel pumps, walbro has the best pressure lph at higher boost 1bar and above. and like ong said, even though you've set your egt cun-cun, dont be surprise if on the dyno roller, your engine is a little lean...not lean, just a little lean. [/QUOTE]
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Track Day 17/10/2013
cwcham
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Join Date: May 2005
Location: Kuala Lumpur
Posts: 78
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Liked: 2 / 2 Posts Track Day on 17th October 2013 - Limited Cars...
GTR R32 for sale
Hi everybody,
Thinking of selling off my R32 GTR. Any taker?
who intrest to let Japanese tuner o setting yr car n mgmt?
refer to http://www.zerotohundred.com/newforums/showthread.php?p=1154691#post1154691
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