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Lethal Performance
Whipple 2.3 or 3.4?
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<blockquote data-quote="black03" data-source="post: 6957660" data-attributes="member: 4037"><p>Brian, </p><p></p><p>That's a great question. For many the 2.3L is more than enough. It's definitely capable of the 600+rwhp mark and has proven itself in the cobra community for years. As you start to push it harder into the 22-25psi range you start to reach the 2.3L's efficiency range. Just like an eaton being spun too hard where heat starts to effect performance it's the same thing with any blower that reaches it's maximum efficiency range. I would recommend that if you're happy with 600-625rwhp then 2.3L is a great choice. If you plan to take it past that you have just entered the beginning of the 3.4L's efficiency range. The 3.4L's performance over 20psi will start to pull away from the 2.3L's performance and take you all the way to the top. Right now the fastest twin screw non nitrous cobra runs a 3.4L. It's got a record time of 9.12 at almost 150mph. Shortly we'll also see a new high performance competition inlet for the 3.4L which will also use the 160mm Super Mono blade TB. The airflow and efficiency of the 3.4L will increase quite a bit as the inlet is really the only restriction on this blower. Keep in mind though that that 9.12 was run with the inlet that everyone else that owns a 3.4L has on their kit now unless they've fabricated something else. </p><p></p><p>So it's a choice on your part to know where you want to go with the car. A 600rwhp monster or the rocket..</p><p></p><p></p><p>Please let us know if you have any other questions. Thanks, Jared</p><p></p><p>:beer:</p></blockquote><p></p>
[QUOTE="black03, post: 6957660, member: 4037"] Brian, That's a great question. For many the 2.3L is more than enough. It's definitely capable of the 600+rwhp mark and has proven itself in the cobra community for years. As you start to push it harder into the 22-25psi range you start to reach the 2.3L's efficiency range. Just like an eaton being spun too hard where heat starts to effect performance it's the same thing with any blower that reaches it's maximum efficiency range. I would recommend that if you're happy with 600-625rwhp then 2.3L is a great choice. If you plan to take it past that you have just entered the beginning of the 3.4L's efficiency range. The 3.4L's performance over 20psi will start to pull away from the 2.3L's performance and take you all the way to the top. Right now the fastest twin screw non nitrous cobra runs a 3.4L. It's got a record time of 9.12 at almost 150mph. Shortly we'll also see a new high performance competition inlet for the 3.4L which will also use the 160mm Super Mono blade TB. The airflow and efficiency of the 3.4L will increase quite a bit as the inlet is really the only restriction on this blower. Keep in mind though that that 9.12 was run with the inlet that everyone else that owns a 3.4L has on their kit now unless they've fabricated something else. So it's a choice on your part to know where you want to go with the car. A 600rwhp monster or the rocket.. Please let us know if you have any other questions. Thanks, Jared :beer: [/QUOTE]
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Whipple 2.3 or 3.4?
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