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Engine Specific Tech
96-04 - 2V Specific
Truth about NPI vs PI
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<blockquote data-quote="Leo 5.0" data-source="post: 1268986" data-attributes="member: 19276"><p>Hmmm</p><p>That's interesting.</p><p>I just figured maybe I'd been up too long.</p><p></p><p>Glad to know I wasn't talking out of my ass.</p><p>250 or so HP at the wheels is a good amount, add some gears and that'd be a great DD. That way one could have close to if not what 99+ make at the motor at their wheels, but could be cammed, boost friendly, and have not yanked heads.</p><p></p><p>I appreciate that! Because all I really found was a bunch of PI is better hands down. But some are just looking to pep their rides up a bit.</p><p>230 is fairly high on the 99+ stock rwhp range, but seems the cams and intake alone get you there.</p><p>And the graphs I found showed the heads were close but the exhaust side was much worse than a PI head, which led me to think, longtubes may add a slightly better gain on NPI heads, but I could be wrong.</p><p></p><p>But looking at numbers, seemed like a full bolt on car, while using NPI heads would be capable of PI engine numbers out back, which while not great in terms of HP, are still very nice for the setup.</p><p></p><p>Before I pass this info on, am I right?</p></blockquote><p></p>
[QUOTE="Leo 5.0, post: 1268986, member: 19276"] Hmmm That's interesting. I just figured maybe I'd been up too long. Glad to know I wasn't talking out of my ass. 250 or so HP at the wheels is a good amount, add some gears and that'd be a great DD. That way one could have close to if not what 99+ make at the motor at their wheels, but could be cammed, boost friendly, and have not yanked heads. I appreciate that! Because all I really found was a bunch of PI is better hands down. But some are just looking to pep their rides up a bit. 230 is fairly high on the 99+ stock rwhp range, but seems the cams and intake alone get you there. And the graphs I found showed the heads were close but the exhaust side was much worse than a PI head, which led me to think, longtubes may add a slightly better gain on NPI heads, but I could be wrong. But looking at numbers, seemed like a full bolt on car, while using NPI heads would be capable of PI engine numbers out back, which while not great in terms of HP, are still very nice for the setup. Before I pass this info on, am I right? [/QUOTE]
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Truth about NPI vs PI
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