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SVTPerformance's Chain of Restaurants
The Blower Bistro
Dyno numbers not happy
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<blockquote data-quote="Stanger00" data-source="post: 16021338" data-attributes="member: 128629"><p>The AFR should really be in the mid to high 11's. </p><p></p><p>Also, according to Vortech installation and parts list for a Vortech kit with aftercooler and 3.33 pulley they use a 113" belt. But the 112.3" is fine also because the graph isn't showing us any problems even though it's been smoothed. </p><p></p><p>The next pulley down is 3.125" but that would put you at 12-13 at 7k rpm. That could be an issue. </p><p></p><p>I'd ask the tuner why they couldn't get the AFR lower in the 12's and 11's. Your fuel pump could be maxed out or your MAF is pegged and the tuner isn't upping fuel pressure to compensate for the pegged MAF. </p><p></p><p>This could be lots of things. </p><p></p><p>I'd also say the power is right on par with a 10psi 4 valve. </p><p></p><p></p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="Stanger00, post: 16021338, member: 128629"] The AFR should really be in the mid to high 11's. Also, according to Vortech installation and parts list for a Vortech kit with aftercooler and 3.33 pulley they use a 113" belt. But the 112.3" is fine also because the graph isn't showing us any problems even though it's been smoothed. The next pulley down is 3.125" but that would put you at 12-13 at 7k rpm. That could be an issue. I'd ask the tuner why they couldn't get the AFR lower in the 12's and 11's. Your fuel pump could be maxed out or your MAF is pegged and the tuner isn't upping fuel pressure to compensate for the pegged MAF. This could be lots of things. I'd also say the power is right on par with a 10psi 4 valve. Sent from my iPhone using Tapatalk [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Blower Bistro
Dyno numbers not happy
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