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whats a big or mid cam

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Old Aug 12, 2009 | 03:41 PM
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Default whats a big or mid cam
what consider a big cam or mid range cam whats the number evry one should look at ist lift or duration
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Old Aug 12, 2009 | 03:50 PM
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I consider big, a 239* and larger duration cam.

Most aftermarket cams are in the .600 lift range, even the 224's are almost .600 lift. So I consider the long duration cams "large".
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Old Aug 12, 2009 | 03:58 PM
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Yea, mid sized cams are 228/228 up to 239/239 IMO. I run a "large" by some peoples ideas, in a 242/248. Though I really think large are the 252/260 type guys with strokers and/or solid rollers.
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Old Aug 12, 2009 | 05:33 PM
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268/271 .675/.680 110lsa...thats a BIG cam
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Old Aug 12, 2009 | 06:22 PM
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Something like that is what I call big
Attached Thumbnails whats a big or mid cam-camshaft.jpg  
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Old Aug 12, 2009 | 07:32 PM
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Originally Posted by PREDATOR-Z
Something like that is what I call big
LOL So what does that go in.....? A big CAT D12 Dozer or something......
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Old Aug 12, 2009 | 07:58 PM
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the torquer v.2. Is a decent size cam 232/234 595 598 lift at 112
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Old Aug 12, 2009 | 07:59 PM
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240+ duration at .050 is big, with the latest spring technology and ramps rates large lifts are attainable with LS engines. BTW-that looks like a cam outa one of my pump engines.
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Old Aug 12, 2009 | 08:07 PM
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220 duration = small
230 duration = medium
240+ duration = big

and thats in a 346 cid.
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Old Aug 14, 2009 | 08:03 PM
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Alot depends on the engine size I had a 632 with a 266/276 .712 112 and it idled smooth and I have also had a 441 lsx with a 252/266 .656 112 that was pretty mellow too, but if you put that in a 346 it would be rough as hell
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Old Aug 15, 2009 | 05:56 PM
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Originally Posted by SOMbitch
LOL So what does that go in.....? A big CAT D12 Dozer or something......
The biggest dozer Cat makes is a D11, and thats bigger than the cam in a D11
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Old Aug 15, 2009 | 07:05 PM
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ive got a 240 cam and it idols nice and so far everybody says this cam is very driveable...
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Old Aug 15, 2009 | 07:18 PM
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i think it comes down to the person honestly. i have a 226 in mine and i think its too small now. this winter i will be going with a 230+ with some heads. the only way you will be able to say for urself if it is too big or not is to drive in a car with the cam. listening to what everyone says will not help you
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Old Aug 16, 2009 | 01:04 PM
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Originally Posted by PREDATOR-Z
Something like that is what I call big
That looks like a crank mark? LOL
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Old Aug 16, 2009 | 01:05 PM
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Originally Posted by 30th t/a
220 duration = small
230 duration = medium
240+ duration = big

and thats in a 346 cid.
Perfect example imo.
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Old Aug 16, 2009 | 03:53 PM
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Originally Posted by JPH
That looks like a crank mark? LOL
It is, But i was referring to size
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Old Aug 16, 2009 | 09:34 PM
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Sorry for the but I couldn't resist





Originally Posted by 30th t/a
220 duration = small
230 duration = medium
240+ duration = big

and thats in a 346 cid.
JPH is right, perfect.
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Old Aug 17, 2009 | 12:01 AM
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10 cylinder ship crank., yeah that is big, immagine the cam, I wonder what would be the specs?
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Old Aug 17, 2009 | 12:07 AM
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Originally Posted by 30th t/a
220 duration = small
230 duration = medium
240+ duration = big

and thats in a 346 cid.
I second that,
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Old Aug 17, 2009 | 01:01 AM
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Originally Posted by PREDATOR-Z
immagine the cam, I wonder what would be the specs?
Considering it needs torque and good usable power, I bet its a reverse split.


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