Volvo RWD 140-160 Forum

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B20 advance curve 140-160

posted by  aharvey4 on  Sat Feb 27 10:19 CST 2010
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last visit: Mon Dec 23 15:12 CST 2013
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Im running a Mallory ignition on my modified b20 and im wondering what the optimum advance profile would be. its running very well as is, but id like to squeeze out every horse i can. the current set up is;
timing set at 10 degrees
advance 20 degrees straight from 1000-2000 rpm
the mallory allows for a straight line or hop out advance curve.
i'd like to rev to at least 6000, any curve suggestions would be great!
b20b w/ hif6's
E head
vv71 camshaft
lightened flywheel, fan, pulleys, timing gears...






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New B20 advance curve [140-160]
posted by  aharvey4  on Sat Feb 27 10:19 CST 2010 >


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