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Forced Induction & Tuning
injectors for boost
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<blockquote data-quote="blown98gt" data-source="post: 610787" data-attributes="member: 11284"><p>using the formula that even mm&ff said was true was figuring the approx max hp range for injectors at 80% duty cycle. </p><p></p><p>(42lb injectors) 42 x .80 (80% duty cycle) / .60 (.60 is the bsfc) = 56</p><p></p><p>56 (hp supported per injector) x 8 (number of injectors) = approx how much hp can be supported by 8 42 lb injectors at .60 bsfc</p><p></p><p>which is 448hp also it's good to keep in mind that you can run injectors to 90% duty cycle but most tuners keep it around 80-85% duty cycle</p><p></p><p>60lb Max hp at 80% duty n/a = approx. 768hp (.50)</p><p>60lb Max hp at 80% duty t/c = approx. 640hp (.60)</p><p>60lb Max hp at 80% duty s/c = approx. 590hp. (.65)</p><p></p><p>39lb Max hp at 80% duty n/a = approx. 500hp (.50)</p><p>39lb Max hp at 80% duty t/c = approx. 416hp (.60)</p><p>39lb Max hp at 80% duty s/c = approx. 384hp (.65)</p></blockquote><p></p>
[QUOTE="blown98gt, post: 610787, member: 11284"] using the formula that even mm&ff said was true was figuring the approx max hp range for injectors at 80% duty cycle. (42lb injectors) 42 x .80 (80% duty cycle) / .60 (.60 is the bsfc) = 56 56 (hp supported per injector) x 8 (number of injectors) = approx how much hp can be supported by 8 42 lb injectors at .60 bsfc which is 448hp also it's good to keep in mind that you can run injectors to 90% duty cycle but most tuners keep it around 80-85% duty cycle 60lb Max hp at 80% duty n/a = approx. 768hp (.50) 60lb Max hp at 80% duty t/c = approx. 640hp (.60) 60lb Max hp at 80% duty s/c = approx. 590hp. (.65) 39lb Max hp at 80% duty n/a = approx. 500hp (.50) 39lb Max hp at 80% duty t/c = approx. 416hp (.60) 39lb Max hp at 80% duty s/c = approx. 384hp (.65) [/QUOTE]
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