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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 10-21-2009, 11:18 AM   #1
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Xtreme Energy Cam with ZZ4 cam "like" specs

Guys, I really like the way my ZZ4 cam performs, sounds, runs, etc. etc. It's clearly better than stock, but not too aggressive, which at this point, is just what I want out of my car.

...that being said, I'm looking to tweak things a little here and there, and I continually hear good things about the design of the Xteme Energy cams. Figur the ZZ4 cam design is now pretty old, and the XE cams are designed using current R&D.

...so I was wondering if any of you have used a XE cam with ZZ4 like specs. We're talking 208/218 - .474/510 -112 For some reason, I can't seem to find a chart online. I think I've seen it, but I can't seem to find it right now. Maybe I'm blind. Anyhow, any help or thoughts are appreciated.

Thanks,
-Boob
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Old 10-21-2009, 11:27 AM   #2
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Join Date: Feb 2001
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Re: Xtreme Energy Cam with ZZ4 cam "like" specs

OK. Found the chart. Pretty easy to find actually......

...anyhow, looks the like the 262 has a smidge more duration, and a smidge less lift. Curious as to how those dynamics play out on a TPI.
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Old 10-21-2009, 04:11 PM   #3
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Re: Xtreme Energy Cam with ZZ4 cam "like" specs

Check out the comp xr264hr12. It is a good TPI cam. I am running the slightly smaller xr258hr12 in my 305 and love it.
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