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SVT Shelby GT500
Power Torque and Boost changes after JDM Cams, JLT Intake and KB TB swap
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<blockquote data-quote="FEARSNO1" data-source="post: 14827654" data-attributes="member: 9770"><p>been meaning to post this and haven't had a chance, just wanted to put out some useful info that I have.</p><p></p><p>so....... at the beginning of 2014 I swapped to E85 and retuned my car, now I had a KB 2.8, with the KB 75mm Dual Throttle Body along with their Ford GT Style intake system, built MMR shortblock, stock heads, stock cams. all other supporting mods found in my sig. I was told the intake system was holding my car back and needed to upgrade to make any more power.</p><p></p><p>now...... by the end of 2014 I added JDM Super Stock Cams, Pac Valve springs, KB 168mm Mono Blade Throttle Body, JLT Super Big Air 148MM Intake system. the results were exactly what I wanted and you can see the differences in the graphs below, most notably is the Boost curve to me as the 2.8 would always make about 2-3 more psi of boost at the end of the rpm band from 5500 to 6500 or so. but after the cams and intake swap it builds more boost in the lower rpm and drops off at the top, mainly I think it just shows the efficiency of the cams and that they now outflow the blower being able to take in more air at the higher rpms than the blower can shove in it.</p><p></p><p>either way its interesting to see the differences and how they effect the power bands. and just to clarify the higher power graph was after the cam and intake swap. but the lower boost graph was after the cam and intake swap also. so it made those higher numbers while loosing almost 3 psi of boost.</p><p></p><p>Feel free to ask any questions and I will try to answer them best I can.</p><p>[ATTACH]40970[/ATTACH][ATTACH]40971[/ATTACH]</p></blockquote><p></p>
[QUOTE="FEARSNO1, post: 14827654, member: 9770"] been meaning to post this and haven't had a chance, just wanted to put out some useful info that I have. so....... at the beginning of 2014 I swapped to E85 and retuned my car, now I had a KB 2.8, with the KB 75mm Dual Throttle Body along with their Ford GT Style intake system, built MMR shortblock, stock heads, stock cams. all other supporting mods found in my sig. I was told the intake system was holding my car back and needed to upgrade to make any more power. now...... by the end of 2014 I added JDM Super Stock Cams, Pac Valve springs, KB 168mm Mono Blade Throttle Body, JLT Super Big Air 148MM Intake system. the results were exactly what I wanted and you can see the differences in the graphs below, most notably is the Boost curve to me as the 2.8 would always make about 2-3 more psi of boost at the end of the rpm band from 5500 to 6500 or so. but after the cams and intake swap it builds more boost in the lower rpm and drops off at the top, mainly I think it just shows the efficiency of the cams and that they now outflow the blower being able to take in more air at the higher rpms than the blower can shove in it. either way its interesting to see the differences and how they effect the power bands. and just to clarify the higher power graph was after the cam and intake swap. but the lower boost graph was after the cam and intake swap also. so it made those higher numbers while loosing almost 3 psi of boost. Feel free to ask any questions and I will try to answer them best I can. [ATTACH]40970.vB[/ATTACH][ATTACH]40971.vB[/ATTACH] [/QUOTE]
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SVT Shelby GT500
Power Torque and Boost changes after JDM Cams, JLT Intake and KB TB swap
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