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2013-14 Shelby GT500
2.4 pulley or underdrive crank pulley?
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<blockquote data-quote="Norton" data-source="post: 16674931" data-attributes="member: 145307"><p>It's been a while since I upgraded (JLT 127mm CF CAI, CFM Twin Jet 67mm TB, VMP 2.4" Upper, 90mm Idler, BPS Oversized & Ported Plenum/Elbow, NGK TR7-IX plugs, VMP Triple-Pass Dual-Fan H/E, and Reische 170' Tstat with stock fuel system). IIRC, swapping crank pulleys requires minor block modification if your car is SVTTP-equipped. This was one reason I went the upper route. FWIW, a friend and I installed everything but the H/E and Tstat in my garage with simple hand tools. IMO, the crank pulley was more complicated than that.</p><p></p><p>Agree with [USER=145559]@raustin0017[/USER] regarding consult with a reputable tuner about what's right for your car and goals. Good luck!</p></blockquote><p></p>
[QUOTE="Norton, post: 16674931, member: 145307"] It's been a while since I upgraded (JLT 127mm CF CAI, CFM Twin Jet 67mm TB, VMP 2.4" Upper, 90mm Idler, BPS Oversized & Ported Plenum/Elbow, NGK TR7-IX plugs, VMP Triple-Pass Dual-Fan H/E, and Reische 170' Tstat with stock fuel system). IIRC, swapping crank pulleys requires minor block modification if your car is SVTTP-equipped. This was one reason I went the upper route. FWIW, a friend and I installed everything but the H/E and Tstat in my garage with simple hand tools. IMO, the crank pulley was more complicated than that. Agree with [USER=145559]@raustin0017[/USER] regarding consult with a reputable tuner about what's right for your car and goals. Good luck! [/QUOTE]
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2013-14 Shelby GT500
2.4 pulley or underdrive crank pulley?
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