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Cobra Forums
2013-14 Shelby GT500
Whipple's NEW 4.5L 275AX 07-2014 GT500 Supercharger
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<blockquote data-quote="tomshaze" data-source="post: 13636495" data-attributes="member: 124332"><p>That is correct right now it feels really lazy </p><p>But it's only pushing 14 psi up top and 10 down low so it's so laggy u can feel it </p><p></p><p>when I get the 4.5 pulley and push about 18 or 19 up top</p><p>I will be pushing about 14 to 15 down low and then slowly increas</p><p></p><p>But the car will have a lot more get up and go with 14 psi down low</p><p>And get to the high rpm a low faster then it does now </p><p></p><p>Also what u want all that power down low in the rpms it's not like we are driving awd cars all it's gunna do it start to spins with to much torque </p><p></p><p>If u want more power down low just use race gas with a smaller pulley and problem solved if not be happy at 18 psi </p><p></p><p>It would drop boost about 2 psi so ad a 4.25 pulley and the Whipple will reall start to get in it's sweet spot and that this point it will pull away so hard from all other blowers </p><p></p><p>This is the reasons I gave myself to get a 4.5 </p><p></p><p>Also I expiermeneted with the Tvs for a long time tried all different pulley combos and the fastest I could get the car was at 16 psi and that pissed me off more boost and the car would get slower cuz the iats would rise in this Texas heat </p><p>Not only that but blowing oil pumps due to lower pulleys and getting scammed on a previous 3.4 Whipple I bought on here which I got my money back on thanks to god.</p><p></p><p>Then I told myself go big or just go home angle that's is why I bought a 4.5 Whipple <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="tomshaze, post: 13636495, member: 124332"] That is correct right now it feels really lazy But it's only pushing 14 psi up top and 10 down low so it's so laggy u can feel it when I get the 4.5 pulley and push about 18 or 19 up top I will be pushing about 14 to 15 down low and then slowly increas But the car will have a lot more get up and go with 14 psi down low And get to the high rpm a low faster then it does now Also what u want all that power down low in the rpms it's not like we are driving awd cars all it's gunna do it start to spins with to much torque If u want more power down low just use race gas with a smaller pulley and problem solved if not be happy at 18 psi It would drop boost about 2 psi so ad a 4.25 pulley and the Whipple will reall start to get in it's sweet spot and that this point it will pull away so hard from all other blowers This is the reasons I gave myself to get a 4.5 Also I expiermeneted with the Tvs for a long time tried all different pulley combos and the fastest I could get the car was at 16 psi and that pissed me off more boost and the car would get slower cuz the iats would rise in this Texas heat Not only that but blowing oil pumps due to lower pulleys and getting scammed on a previous 3.4 Whipple I bought on here which I got my money back on thanks to god. Then I told myself go big or just go home angle that's is why I bought a 4.5 Whipple :) [/QUOTE]
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2013-14 Shelby GT500
Whipple's NEW 4.5L 275AX 07-2014 GT500 Supercharger
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