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The Terminator
Engine/Tuning
2.9 whipple worth gains?
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<blockquote data-quote="stangfreak" data-source="post: 16091525" data-attributes="member: 10655"><p>Here is my take on this. some may agree, some may not. we used to have these debates at the shop I go to over and over. And I finally listened to my tuner. Plus, I went through 5 blower swaps on my cobra. wasted time and money. On 91 octane, I would not install a blower that big. A 2.9 whipple with low boost and low octane will not perform how it should. Those big blowers shine 20lbs and up with race gas or e85. </p><p></p><p>Another point that my tuner made was, all we do is swap blowers. He's done hundreds of cobras. The shop even had the first kenne bell cobra in new york if I am not mistaken. snake bite. Im sure you saw the video. </p><p></p><p>We go from a 2.2, 2.4, then a 2.8, then a 3.4 etc etc etc. If you really think about the hp that you gain from all the swaps, its nothing dramatic. Yes I know, people on the internet make 900rwhp with a 2.8 kenne bell on low boost. I get it. Then run a 10.60 at the track. so we are buying, selling, buying, selling, hoping that the next best blower will give us that magical number. After all my blower swaps, time I put in and money I spent, I am still making 700rwhp. Actually, my numbers went back down . why? we still can't figure it out. </p><p></p><p>so if you are using 91 octane, or are happy with 6-700rwhp, I would stay with that setup you have. Let the car be and have fun. we can only do so much with a stock 4.6 4v motor. The coyote is a different beast and blowers on those cars are insane. we cant do that with our cars. If that doesn't satisfy your hunger, I know its very expensive and its really not for everyone, turbo is the only way. IMO, after a 2.9 whipple, if thats not enough, turbo. The 3.4 whipple alone, creates massive amounts of heat. The 4.0? forget it. They don't run COOL. I'm not an expert or a know it all. I am just giving my 2 cents and opinion from what I have seen in the past 16 years of owning this car, seeing them at shops and talking to the guys at the shop I go to.</p></blockquote><p></p>
[QUOTE="stangfreak, post: 16091525, member: 10655"] Here is my take on this. some may agree, some may not. we used to have these debates at the shop I go to over and over. And I finally listened to my tuner. Plus, I went through 5 blower swaps on my cobra. wasted time and money. On 91 octane, I would not install a blower that big. A 2.9 whipple with low boost and low octane will not perform how it should. Those big blowers shine 20lbs and up with race gas or e85. Another point that my tuner made was, all we do is swap blowers. He's done hundreds of cobras. The shop even had the first kenne bell cobra in new york if I am not mistaken. snake bite. Im sure you saw the video. We go from a 2.2, 2.4, then a 2.8, then a 3.4 etc etc etc. If you really think about the hp that you gain from all the swaps, its nothing dramatic. Yes I know, people on the internet make 900rwhp with a 2.8 kenne bell on low boost. I get it. Then run a 10.60 at the track. so we are buying, selling, buying, selling, hoping that the next best blower will give us that magical number. After all my blower swaps, time I put in and money I spent, I am still making 700rwhp. Actually, my numbers went back down . why? we still can't figure it out. so if you are using 91 octane, or are happy with 6-700rwhp, I would stay with that setup you have. Let the car be and have fun. we can only do so much with a stock 4.6 4v motor. The coyote is a different beast and blowers on those cars are insane. we cant do that with our cars. If that doesn't satisfy your hunger, I know its very expensive and its really not for everyone, turbo is the only way. IMO, after a 2.9 whipple, if thats not enough, turbo. The 3.4 whipple alone, creates massive amounts of heat. The 4.0? forget it. They don't run COOL. I'm not an expert or a know it all. I am just giving my 2 cents and opinion from what I have seen in the past 16 years of owning this car, seeing them at shops and talking to the guys at the shop I go to. [/QUOTE]
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