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SVT Shelby GT500
Fuel pump question?
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<blockquote data-quote="Willie" data-source="post: 15904475" data-attributes="member: 14133"><p>How much boost and what is your maximum Load?</p><p>I have recent experience with this topic. I've never liked the idea of a BAP and planned on replacing the pumps. But further research yielded an unbelievable fact. Only one company came up with a true, high volume bolt-on replacement, BUT I also read about issues with reliability of these pumps. The only other way to increase volume without a BAP is to go with a return system. So, I decided to go the BAP route. The two primary contenders are KB and JMS. Here are some facts about both. You make your own decision...>></p><p></p><p>KB</p><p>Offers a 17 and a 21-volt dual pump BAP.</p><p>It is turned on via a Hobbs switch. You can choose the boost level at which to activate.</p><p>Basically, these units are either off or on.</p><p></p><p>JMS</p><p>Offers one unit that is programmable, via built-in DIP switches.</p><p>Choose between 18 and 22 volts.</p><p>Choose to activate it by 1) Grounding it, 2) Hobbs switch, 3) 0-5 volt trigger, i.e. MAF or MAP.</p><p>Voltage can be ramped up upon activation, 1) 0.4 v, 2) 0.8 v, or 3) 1.2v. (and ramped down also.) Doing this prevents fuel pressure spikes.</p><p></p><p>Pricing between these is comparable.</p><p>Guess which I chose?</p><p></p><p>According to the literature I received in my SCT tuning class, the stock GT500 pumps are good for 600 rwhp. With a BAP, 850 rwhp... AND NO TUNING IS REQUIRED..</p></blockquote><p></p>
[QUOTE="Willie, post: 15904475, member: 14133"] How much boost and what is your maximum Load? I have recent experience with this topic. I've never liked the idea of a BAP and planned on replacing the pumps. But further research yielded an unbelievable fact. Only one company came up with a true, high volume bolt-on replacement, BUT I also read about issues with reliability of these pumps. The only other way to increase volume without a BAP is to go with a return system. So, I decided to go the BAP route. The two primary contenders are KB and JMS. Here are some facts about both. You make your own decision...>> KB Offers a 17 and a 21-volt dual pump BAP. It is turned on via a Hobbs switch. You can choose the boost level at which to activate. Basically, these units are either off or on. JMS Offers one unit that is programmable, via built-in DIP switches. Choose between 18 and 22 volts. Choose to activate it by 1) Grounding it, 2) Hobbs switch, 3) 0-5 volt trigger, i.e. MAF or MAP. Voltage can be ramped up upon activation, 1) 0.4 v, 2) 0.8 v, or 3) 1.2v. (and ramped down also.) Doing this prevents fuel pressure spikes. Pricing between these is comparable. Guess which I chose? According to the literature I received in my SCT tuning class, the stock GT500 pumps are good for 600 rwhp. With a BAP, 850 rwhp... AND NO TUNING IS REQUIRED.. [/QUOTE]
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Fuel pump question?
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