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The Terminator
Engine/Tuning
2.3L Whipple questions...
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<blockquote data-quote="cj428mach" data-source="post: 14520837" data-attributes="member: 142081"><p>Probably 18 psi. I ran a 2.8" pulley and it managed about 18.5 psi but I may have had belt slip as I reused the same belt from my 3.0 pulley. I immediately too that pulley off and slapped on my 2.7". I just wish I could find a 2.6" some where. </p><p></p><p></p><p></p><p></p><p>I don't believe there really is a difference. 04sleeper is the only guy I know of who swapped from a gen 1 to a gen 2 whipple and he reported a 2lb gain per pulley like advertised. </p><p>I know sleeper managed 22psi with a 2.6" pulley with cats on his gen 2. </p><p>I'm currently at 20psi (20.6 in certain conditions) with a 2.7" pulley on a gen 1 with out cats. I've heard that cats can add 1/2lb of boost. So if I had cats and a 2.6" pulley I'd be damn close to 22psi on my gen 1.</p><p></p><p>Also I read in a magazine that positive displacement blowers are rated at how much air they move per revolution. So how can a 2.3 Whipple gen 2 move more than a gen 1 at the same pulley size (the same rpms). I also believe this to be true as the 2.3L tvs makes the same boost per pulley as my gen 1 2.3l Whipple.</p></blockquote><p></p>
[QUOTE="cj428mach, post: 14520837, member: 142081"] Probably 18 psi. I ran a 2.8" pulley and it managed about 18.5 psi but I may have had belt slip as I reused the same belt from my 3.0 pulley. I immediately too that pulley off and slapped on my 2.7". I just wish I could find a 2.6" some where. I don't believe there really is a difference. 04sleeper is the only guy I know of who swapped from a gen 1 to a gen 2 whipple and he reported a 2lb gain per pulley like advertised. I know sleeper managed 22psi with a 2.6" pulley with cats on his gen 2. I'm currently at 20psi (20.6 in certain conditions) with a 2.7" pulley on a gen 1 with out cats. I've heard that cats can add 1/2lb of boost. So if I had cats and a 2.6" pulley I'd be damn close to 22psi on my gen 1. Also I read in a magazine that positive displacement blowers are rated at how much air they move per revolution. So how can a 2.3 Whipple gen 2 move more than a gen 1 at the same pulley size (the same rpms). I also believe this to be true as the 2.3L tvs makes the same boost per pulley as my gen 1 2.3l Whipple. [/QUOTE]
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