Fuel Pressure measurement, vac on or off??

Discuss the RB20, RB25 and RB26 series engines.
Rb20_POWER
Posts: 85
Joined: Sun Feb 04, 2007 11:59 am
Car: '90 240sx w/ rb20det

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So I was reading through some of the posts and I'm reading people saying to set fuel pressure at 43psi with vac on and some saying set it at 43psi with vac off? Which is it??


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Shocker
Posts: 2082
Joined: Sun Aug 01, 2004 2:40 pm
Car: 89 240sxHB rb26/30

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43psi vac off.


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