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Generation III Internal Engine
228/230/571/573 Xer

Generation III Internal Engine 1997-2006 LS1 | LS6

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228/230/571/573 Xer

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Old

May 15, 2005 | 03:57 AM

#1

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From: Ashland, KY

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228/230/571/573 Xer

Wondering who is running one? I am going to on a 112 due to the recommendation of Brent @TEA along w/ their 5.3 1.5 heads milled at 0.01. It is going to be coupled with a 4200/2.35 stall, 373's, Fast 90 Intake, NW TB, TSP 85 mm lid, SLP 85 mm MAF, Kooks 1 3/4 headers and Y Pipe, and the rest of the boltons in my sig. Just wondering what everyone thinks of the cam.

Old

May 15, 2005 | 10:49 AM

#2

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The 571/573 sound like the XE lobe, not the XE-R. The XE-R has .588/.592 valve lift.

Old

May 15, 2005 | 06:08 PM

#3

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Possibly. That would idle like the stock cam with cutouts, doesn't it???

Old

May 16, 2005 | 03:59 PM

#4

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It says XR on the cam card.

Last edited by BoneSS; May 16, 2005 at 04:05 PM.

Old

May 16, 2005 | 07:09 PM

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there are xr and xer lobes.

Old

May 16, 2005 | 07:32 PM

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It is just the extreme lobe, I misspoke.

Old

May 16, 2005 | 08:46 PM

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This cam has been one of the top performers with our heads on our dyno.

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Old

May 16, 2005 | 08:50 PM

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That is a good cam but the lobes are XE not XER. See sig below. Neither the XE or the XER idle anything like stock.

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Old

May 16, 2005 | 08:50 PM

#9

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Quote:

Originally Posted by 98t56TA

Possibly. That would idle like the stock cam with cutouts, doesn't it???

not on a 112.

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