398 Cam Time

I like turtles

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Originally Posted by firebird_1995

I like turtles

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The chocolate kind or the ones you put in soup :) ?

KW

There is no way in hell I would run a 306 in my 398. And realistically you don't need a snall base circle cam just because you have a stroker. I don't run one in mine. Pick the right rods like my compstar h beams and you don't have an issue. Off the shelf cams are what they are.... a basic quick throw it in and run it. Sure it will run ok, but why not for a few bucks more get something that works the best it can with what you have in place. Sure my feet can fit in a size 14 shoe. It doesn't make sense to wear one that's a 14 and one that is a 12 if I wear a size 12 shoe. I stick with my custom grind and enjoy the times I run.

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Originally Posted by KWBaraka

OK.....so he was successful with that cam in a 350. Does that mean he can't be successful with that cam in a 398ci? You stated: "There's no way a cc306 camshaft would perform well trying to support 398 cubes." I'm gonna have to chaulk that up as an opinion since I've seen otherwise.

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I guess we have a big difference of opinion on what "performs well". A cc306 trying to support 398 cubes with a single plane intake would leave an EASY 50-60hp on the table compared to a camshaft with 15+ more degrees of duration and more lift, taking advantage of heads that are near 300cfm. You'd be satisfied with it, I wouldn't. If Neil simply swaps out the 350 cube shortblock for a 398 cube shortblock and retains the same cam and heads, he'll pick up MAYBE 30-35hp and have himself a sweet 440rwhp 398ci LT1.

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Originally Posted by KWBaraka

So back to my original point.......if he's happy with the cam, he shouldn't feel compelled to swap it out.

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Happy with it on his 350, yes.

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Originally Posted by KWBaraka

A 7K RPM engine is doable......but I didn't see it as his stated goal. If I had, I'd have recommended a custom cam.......a SOLID roller custom cam. After all, we are talking about him having it "set on kill, and doing it right the first time".



Again......that was as it pertained to the OP and his current cam......and what I saw as his current wants.....not to ALL engine builds.

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Not how you worded it at all, but whatever.

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Originally Posted by KWBaraka

Been there......done that, so I know it can be made to happen.

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They were clueless when I requested a camshaft for my needs. Very difficult to deal with.

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Originally Posted by KWBaraka

And you responded like a know-it-all. Two wrongs don’t make a right......so where does that leave us?

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I don't leave silly sarcastic crap, and winky faces. Like I said leave that stuff to the keyboard racers on LS1tech.

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Originally Posted by KWBaraka

Exactly......you posted you opinion based off your experience.......as did I. You posted based off what you have NOT seen.......as if you've seen everything. And no.....I have not seen everything, but I HAVE seen the 306......and several other off-the-shelf cams perform very well in a variety of strokers......

KW

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Give me an example of a stout performing stroker engine that runs the cc306. Minimum 383 cubes. I don't care what bodystyle, f-bod, Corvette, b-body, whatever. You show me the car and the ET/mph, and i'll show you a car that is leaving a lot of power on the table. You act like i'm bagging on that camshaft or something. I'm not. It has its place. It is an excellent camshaft for stock cube engines running stock heads or mild heads, like an LE1 package, or similar. It doesn't belong on 383 cubes or larger.

Never intended to reuse the CC306, it sounds great and makes good power, the 415rwhp we made through the 12 bolt was never getting to finish tuning the car. We intended to go back but life happened i.e the Deep Water Horizon and the car sat for a long time. With the stroker I imagine it'll have a ton more low end, but the thing I want to avoid is a car that only makes power up top. I want some thing with a broad and useable power band that's still fun to drive every where. The street twin will kill your leg in traffic before you notice the cam lol

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Originally Posted by joelster

I guess we have a big difference of opinion on what "performs well". A cc306 trying to support 398 cubes with a single plane intake would leave an EASY 50-60hp on the table compared to a camshaft with 15+ more degrees of duration and more lift, taking advantage of heads that are near 300cfm........

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I doubt that we have a different opinion of what "performs well". I never stated though that a 306 is a 'best performing cam'. THAT is where we seem to conflict. No doubt.....that if you wanted or needed to max out on power, there would be other cam designs that would outperform a 306. BUT......that is not to say that a 306 can't perform well in a 383+ci LTx.

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Originally Posted by joelster

........Give me an example of a stout performing stroker engine that runs the cc306. Minimum 383 cubes. I don't care what bodystyle, f-bod, Corvette, b-body, whatever. You show me the car and the ET/mph, and i'll show you a car that is leaving a lot of power on the table........

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Well......I could tell you about the 306 I had in my old 396ci.....but that would be so easy that you'll say I'm lying or something.....so I won't bother. But.....did I leave power on the table with that cam? Yeah......I most certainly did. Did I need to go with a different cam to get into the 11's? Yes.....I did. But.....did the 306 take my full-weight Impala with 3.73 gears, and shorty headers deep into the 12's? Huh........yeah.......it did.

Oh SNAP! Dammit! i just brought up the performance of my old 396. How embarrassing :faceinpalm:.

And BTW......I last dealt with Comp Cams when I got my SR Cam and shaft mounted rockers.....maybe 5 years back. I knew exactly what I wanted and the tech still tried to get me to go a different route.....so there probably is a lot about what you say about their custamer service.

KW

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Originally Posted by Neil350

Never intended to reuse the CC306......With the stroker I imagine it'll have a ton more low end, but the thing I want to avoid is a car that only makes power up top.......

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No.....not really. The 306 had a bit less low end in my engine than a smaller cam that I had......but a lot more top end than that smaller cam.

I would say that a 306 cam is a high RPM cam; and if you're looking for that kind of performance, then that's what you'll get.....pretty much without regard as to your displacement. But.....as stated, it'll scream at higher RPMs.

KW

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Originally Posted by KWBaraka

Well......I could tell you about the 306 I had in my old 396ci.....but that would be so easy that you'll say I'm lying or something.....so I won't bother. But.....did I leave power on the table with that cam? Yeah......I most certainly did. Did I need to go with a different cam to get into the 11's? Yes.....I did. But.....did the 306 take my full-weight Impala with 3.73 gears, and shorty headers deep into the 12's? Huh........yeah.......it did.

Oh SNAP! Dammit! i just brought up the performance of my old 396. How embarrassing :faceinpalm:.
KW

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All technical things aside, this part of your post indicates CLEARLY why everyone thinks you come across as an ass.

here is a 306 cammed 383 that most of you guys know

now please enough of the argueing...just agree to disagree and quit splitting hairs just to argue

http://www.youtube.com/watch?v=8VQkrPZaeLQ

the 306 is just an OLD shelf grind...nothing wrong with it but its not the best either.

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Originally Posted by KWBaraka

No.....not really. The 306 had a bit less low end in my engine than a smaller cam that I had......but a lot more top end than that smaller cam.

I would say that a 306 cam is a high RPM cam; and if you're looking for that kind of performance, then that's what you'll get.....pretty much without regard as to your displacement. But.....as stated, it'll scream at higher RPMs.

KW

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306 is not a high RPM cam for a stroker. Intake duration and engine displacement have a huge effect on cam's power curve, and what's a high RPM grind on a 350, won't be on a 396.

For a 396 I'd be looking at a 25x+ int cam on more modern lobes then Comp Magnums.