Volvo RWD 140-160 Forum

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123Tune distributor 140-160

posted by  rawits on  Mon Oct 3 15:30 CST 2011
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last visit: Sun Aug 3 12:32 CST 2014
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Let's see...B20E, 44 in, 37 exh, ported head, 10.5/1 CR, twin Mikunis (HSR45's),Schneider cam # 274F, 110 deg Lobe centers, dual spring SS valves, currently running 123Ignition on B20E curve. Good idle at 1000 RPM, reasonable low end torque...scoots from 2000 up to 5500 (still breaking in cam)

Was given a 123tune for B-day...what's ideal advance curve? Remember 123Tune has capability for switch adjustable two sets, both have separate vacuum advance/retard as well as RPM denoted curves...?

Is there room for improvement..or shall I sell to E-Bay tech lover and buy roller rockers instead...?






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