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Old Jan 26, 2008 | 07:24 PM
  #1  
jraschke11's Avatar
jraschke11
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Burning Brakes
 
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From: Chesterfield Michigan
St. Jude Donor '08-'09-'10-'11-'12-'13-'14
Default Question about this CAM

Comp Cams XFI™ XR275HR Camshaft

in- 571
ex- 573

in- 281°
ex- 283°

That's all I know about it. I am looking for a pretty aggressive cam. I'm gonna combine it with new heads, long tubes and no cats leading to my borla xpipe and catback. also probably a FAST 90/90 setup. any ideas, comments, suggestions?

I really don't know much of anything about cams other than... well not much at all.
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Old Jan 27, 2008 | 09:22 AM
  #2  
largeitalian's Avatar
largeitalian
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From: Fargo ND
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all I can tell you, is that is huge.
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Old Jan 27, 2008 | 09:32 AM
  #3  
AU N EGL's Avatar
AU N EGL
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Joined: Sep 2003
Posts: 43,084
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From: Raleigh / Rolesville NC
Default

Think that is a XR high lift cam not a XFI cam

Comp as XR, XER, and XFI cam

the XR are good but middle of the road cams

i run the comp XR281HR Cam PART #54-428-11 with polished LS6 heads. LTs and a few other mods. Good cam good power, I am just over 400 to the ground.


You want aggressive?

LGX3 or X4

G5X3 234/242 600/610 112 lsa
G5X4 240/244 low 600s 111 lsa

TSP

TSP- Torqer v3 231/234 643/598 111
TSP MS4 239/242 649/609 111

plus many others

With big aggressive cams pistons MAY need to fly cut.

Cam guide reading http://ls1tech.com/forums/showthread.php?t=327734

Good luck with your search

Last edited by AU N EGL; Jan 27, 2008 at 09:59 AM.
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