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2015+ Shelby GT350 Mustang
Forced Induction: Whipple or Twins
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<blockquote data-quote="tt335ci03cobra" data-source="post: 16069401" data-attributes="member: 68944"><p>Twin 55’s would hit hard with 1/4 throttle above 4000rpms in a gt350.</p><p></p><p>Me? I’d keep the ethos of the gt350, and go e85, full bolt ons, tune and 4.10-4.30 gears.</p><p></p><p>Car traps 117+ stock, and could do 125+ with those changes. That’s hellcat straight line performance.</p><p></p><p>A whipple after that is 150mph capable, and very safe because of e85. That said, the whipple is good for around 80-100whp/wtq until you hit 6000rpms, then it really starts to run up the difference vs stock. Spooled, the turbos will feel much faster at 5000rpm than the whipple will since the air difference and force is entirely different. Turbo gt350’s show closer to 200whp/wtq at 5-6500rpm but start to flatten off uptop from 7000-8000. I’ll post some pics.</p><p></p><p>[ATTACH=full]1533249[/ATTACH] </p><p>Supercharged at Hennessy with iirc a whipple. </p><p></p><p>[ATTACH=full]1533250[/ATTACH] </p><p>Turbo from hellion. </p><p></p><p>Sorry but the guy saying the turbo would take forever is incorrect as these graphs clearly show. The sc combo is only having to make it to 8 psi while the turbo car made 18psi just fine very quickly. Table flat power curve on 18psi with over 1150whp. It’s just useless power in a street car though. I’d personally set it to 5psi and forget it.</p><p></p><p>Anyways much as turbo is my personal favorite on anything, the gt350 is too fun na and revving out peaky like an s2000 or brz but with balls and a v8 soundtrack. Throw bolt ons and gear, and it’s insanely fun. After that too easy to just go to a nice whipple. Save the turbos for a different build imo down the road with a cpc crank.</p><p></p><p>I did 62’s on my 5.3 bbs build for my 03 cobra and love everything about that build to give you an idea of how much I like turbos. That said I plan to follow the route I just laid out when I get around to a gt350</p></blockquote><p></p>
[QUOTE="tt335ci03cobra, post: 16069401, member: 68944"] Twin 55’s would hit hard with 1/4 throttle above 4000rpms in a gt350. Me? I’d keep the ethos of the gt350, and go e85, full bolt ons, tune and 4.10-4.30 gears. Car traps 117+ stock, and could do 125+ with those changes. That’s hellcat straight line performance. A whipple after that is 150mph capable, and very safe because of e85. That said, the whipple is good for around 80-100whp/wtq until you hit 6000rpms, then it really starts to run up the difference vs stock. Spooled, the turbos will feel much faster at 5000rpm than the whipple will since the air difference and force is entirely different. Turbo gt350’s show closer to 200whp/wtq at 5-6500rpm but start to flatten off uptop from 7000-8000. I’ll post some pics. [ATTACH=full]1533249[/ATTACH] Supercharged at Hennessy with iirc a whipple. [ATTACH=full]1533250[/ATTACH] Turbo from hellion. Sorry but the guy saying the turbo would take forever is incorrect as these graphs clearly show. The sc combo is only having to make it to 8 psi while the turbo car made 18psi just fine very quickly. Table flat power curve on 18psi with over 1150whp. It’s just useless power in a street car though. I’d personally set it to 5psi and forget it. Anyways much as turbo is my personal favorite on anything, the gt350 is too fun na and revving out peaky like an s2000 or brz but with balls and a v8 soundtrack. Throw bolt ons and gear, and it’s insanely fun. After that too easy to just go to a nice whipple. Save the turbos for a different build imo down the road with a cpc crank. I did 62’s on my 5.3 bbs build for my 03 cobra and love everything about that build to give you an idea of how much I like turbos. That said I plan to follow the route I just laid out when I get around to a gt350 [/QUOTE]
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2015+ Shelby GT350 Mustang
Forced Induction: Whipple or Twins
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