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2012-2013 Boss 302 Mustang
would the GT intake work better on a BOSS engine? lets find out!
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<blockquote data-quote="BMR Tech" data-source="post: 13517621" data-attributes="member: 124691"><p>Gearing does play a large role. Putterfish made an excellent post, and it touches on what I was referencing in my post.</p><p></p><p>That said, the best way to determine shift points is by datalogging acceleration rate and force. It is 100% absolute - they will directly reflect in the ET.</p><p></p><p>I do agree that it is void if you compare two completely different intakes, with two different purposes....on a car that is geared more towards, or bias towards, on of the intakes. In this case, a lower numerical gear ratio will be be more bias towards the GT intake.</p><p></p><p>EJR, that is likely because you ARE actually making the torque....although you don't see it on a dyno sheet.</p><p></p><p>Force = (Engine TQ) X (trans gear ratio) X (rear end ratio)</p><p></p><p>Assuming 1:1 gear in trans (makes it easy)</p><p></p><p>300ftlbs X 1 X 3.55 gear = 1065</p><p>275ftlbs X 1 X 4.10 gear = 1127</p><p></p><p>In this case, the car/combo with 25ft lbs would have a substantial amount more force pushing the car forward...so, it would be quicker.</p><p></p><p>On top of that, once you past a certain RPM, the "peaky" curves actually make more TQ up top, so then it simply freight trains the "broad" curved car...</p></blockquote><p></p>
[QUOTE="BMR Tech, post: 13517621, member: 124691"] Gearing does play a large role. Putterfish made an excellent post, and it touches on what I was referencing in my post. That said, the best way to determine shift points is by datalogging acceleration rate and force. It is 100% absolute - they will directly reflect in the ET. I do agree that it is void if you compare two completely different intakes, with two different purposes....on a car that is geared more towards, or bias towards, on of the intakes. In this case, a lower numerical gear ratio will be be more bias towards the GT intake. EJR, that is likely because you ARE actually making the torque....although you don't see it on a dyno sheet. Force = (Engine TQ) X (trans gear ratio) X (rear end ratio) Assuming 1:1 gear in trans (makes it easy) 300ftlbs X 1 X 3.55 gear = 1065 275ftlbs X 1 X 4.10 gear = 1127 In this case, the car/combo with 25ft lbs would have a substantial amount more force pushing the car forward...so, it would be quicker. On top of that, once you past a certain RPM, the "peaky" curves actually make more TQ up top, so then it simply freight trains the "broad" curved car... [/QUOTE]
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2012-2013 Boss 302 Mustang
would the GT intake work better on a BOSS engine? lets find out!
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