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Difference between these two cams?

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Old Mar 14, 2009 | 11:24 AM
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Default Difference between these two cams?

232/236 .575/.578 114 XE
234/240 .598/.608 114 XER

All things equal how do these two cams measure up? How much power difference between them?
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Old Mar 14, 2009 | 04:32 PM
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I can't answer your question but I just had a custom cam grind in that range....it is a 232/236 .595/.578 113+3 based upon a recommendation of TEA to go with my TFS 215 heads! Have to install it soon!
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Old Mar 14, 2009 | 05:03 PM
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maybe 5rwhp at most
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Old Mar 14, 2009 | 07:17 PM
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The XE is an older lobe with less intensity. That can have it's advantages as far as valvetrain life...

chrs, got your FAST on yet and how did it do
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Old Mar 15, 2009 | 09:39 AM
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Originally Posted by chrs1313
maybe 5rwhp at most

That's all? Why would anyone choose an xer lobe that's more aggressive and harder on valve springs for such a minimal gain? The duration is very close between the two cams, but the extra lift on the xer should help make more power everywhere through the rpm band.
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Old Mar 15, 2009 | 11:06 AM
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Originally Posted by STAR
That's all? Why would anyone choose an xer lobe that's more aggressive and harder on valve springs for such a minimal gain? The duration is very close between the two cams, but the extra lift on the xer should help make more power everywhere through the rpm band.
yeah it is only recommend to change a cam if you bump up at least 4* of duration or the gains will be minimal, if any at all...

look at my cam it is a 230/230 xfi/x-er .612/.592...and i gained around 55-60rwhp with it...how much more am i giving up to a donkey dick cam...

24x/24x .64x/.64x maybe 12-15rwhp at most...and that is peak, i know i will probably lose avg under the curve...
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