Do throttle body spacer kits really help fuel economy? I was browsing jcwhitney for accessories for my 95' Nissan P/U XE and I noticed their claims about improving gas mileage and was wondering if anyone here had tried using them.
Do throttle body spacer kits really help fuel economy? I was browsing jcwhitney for accessories for my 95' Nissan P/U XE and I noticed their claims about improving gas mileage and was wondering if anyone here had tried using them.
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