Tim H Posted March 20, 2014 Share Posted March 20, 2014 L28ET with tial 50mm bov I'm trying to find out which spring to use. Or if anyone nows how much vacuum these motor pull ican figure out what lbs spring. thanks Tim Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted March 20, 2014 Share Posted March 20, 2014 The proper way to set up that BOV is to find out (boost/vacuum gauge) what vacuum your engine pulls at idle. Then purchase the correct spring. > http://www.ebay.com/sch/i.html?_trksid=p3984.m570.l1313.TR0.TRC0.H0&_nkw=Tial+Blow+Off+Valve+Q+QR+BOV+50mm+Spring+&_sacat=0&_from=R40 Quote Link to comment Share on other sites More sharing options...
Tim H Posted March 20, 2014 Author Share Posted March 20, 2014 Ok thanks thought someone might have done this already and could give me the answer. Quote Link to comment Share on other sites More sharing options...
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