LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Need some help with a cam...

Old Sep 5, 2008 | 08:57 AM
  #1  
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Default Need some help with a cam...

I am going to be doing a cam swap here soon and was trying to buy a used cam. I kinda wanted the cc306 even though everyone says get a custom cam. Well I found a used one on camaroz28.com and want to know if it will exceed my stock heads. I have a new set of pac valve springs, comp retainers, locks and seats. The cams specs are:

258/270 duration @ 0.050” lift
0.549”/0.549” lift w/ 1.5 rockers
112 lobe separation
Part #: 07-000-8
Grind #: LT1 3286/3287 HR112.0
Serial #: X 8653

The duration looks fucked up but that is what he has listed.

And are 1.5 the stock ratio rockers for the lt1s?

Thanks.
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Old Sep 5, 2008 | 10:05 AM
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If that is duration as measured at 0.050", uh, yeah that's a bit beyond the capacity of stock heads.
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Old Sep 5, 2008 | 10:05 AM
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That's one big cam...i'll be running a 228/235 with le2 ported heads, i'll be shifting at about 6300rpm's (which with the stock bottom end, that's about as far as i want to push it, don't wanna be spinning a rod bearing...) If you're heart is set on it, get a cc306, but in all honesty, custom cam is the route to go..it would be a cam for exactly what YOU want. just my .02

and yes 1.5 is stock ratio
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Old Sep 5, 2008 | 10:20 AM
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Hm...maybe I shouldn't buy it....I just wonder if it was a typo...
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Old Sep 5, 2008 | 10:56 AM
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Well I called comp and yea wow. That cam is rather large.
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Old Sep 5, 2008 | 11:11 AM
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Yes, Huge.....

Go with the 306 or something custom, but I would also reccomend something custom (you will make better numbers/times with a custom vs something just off the shelf of the same size).
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