crazy cam question
crazy cam question is it possible to get like a Titan King or BTR 3 or 4 size cam but that doesn't chop ??? I know its crazy and I love the chop chop chop of a cam but was thinking about getting the performance but in stealth mode lol
so like a 116-118 LSA and like decreasing roughly how much potential you guesstimate? this is just for the heck of it by the way something I have never really thought about until recently
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Depending on high high you raise the LSA of course, will also shift your powerband up higher and will most likely make less peak power too.
So you mess up the valve events.
Let's use BTR stage 3 camshaft 229/244 113 LSA +4.
This has 10.5 degrees of overlap so will be quite choppy in an LS3.
If you wanted to keep the performance characteristics the same and also have the same powerband I can spec you out a camshaft with these same events but with lower overlap.
The only downside is that you will make less peak torque and less peak hp but you will gain driveability.
1st example is a 224/238 116 LSA +4.
2nd example is a 226/240 115 LSA +4
Both of these examples have the exact same valve events as the BTR cam but with less overlap.
Cam 1 will idle smoothly because it has -1 degrees of overlap.
Cam 2 will idle with a little note but will also drive smoothly once tuned. This has 3 degrees positive overlap.
For an LS3 I would go with the 2nd example.
For the BTR stage 1 LS3 camshaft this is a 225/238 113 LSA +3.
Might still be too wild for you.
A calmer version of this while still utilising the same valve events is a 223/236 114 LSA +3.
This has only 1.5 degrees of overlap and will drive very smooth once tuned.
This is the correct way to look at it, not just the LSA.
I put a BTR Stage 4 in my basically stock LS3. I had it supposedly tuned by a local shop that builds LS engines and is a distributor of BTR. When I got it back, it ran like it did with the factory cam at idle up to about 1200 RPM, then it ran like a car with a real cam.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
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I put a BTR Stage 4 in my basically stock LS3. I had it supposedly tuned by a local shop that builds LS engines and is a distributor of BTR. When I got it back, it ran like it did with the factory cam at idle up to about 1200 RPM, then it ran like a car with a real cam.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
There is a lot of overlap.
I doubt you could get such a cam to idle like stock even with the best tune.
I installed the cam, hit the key, and it started right up. Idled at 700 RPM. Drove it to the tuner, which is about 18 miles away. It never stalled or missed a beat. After the tune, it ran the almost the same (at idle) and I drove it back home. Idled at 700 RPM until I bumped it to 900 and adjusted the timing etc.
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I put a BTR Stage 4 in my basically stock LS3. I had it supposedly tuned by a local shop that builds LS engines and is a distributor of BTR. When I got it back, it ran like it did with the factory cam at idle up to about 1200 RPM, then it ran like a car with a real cam.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
I got home and was massively disappointed until I messed with the idle and timing and got it to sound like an engine with a cam. It was a bit sluggish, but not huge, although my car is pretty light.
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Every Time I see a post by you, My heart just breaks for you and your family, He will always be with you.... in your hearts.
thanks my LS brothas that was a very tough time for me and my family very very tough and to this very day I cry when I think about him but to you two guys thank you for even taking time to read that even with my crazy and wild post lol means a lot to me fellas you two have a great human spirit something that seems lost these days
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thanks my LS brothas that was a very tough time for me and my family very very tough and to this very day I cry when I think about him but to you two guys thank you for even taking time to read that even with my crazy and wild post lol means a lot to me fellas you two have a great human spirit something that seems lost these days
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Joined: Mar 2014
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From: Ohio
Now.....you can get cams with similar durations but with ridiculously wide LSAs to the point where the cams WILL NOT perform, or....you can get one of the above listed cams and set the idle speed high enough to where there would be no chop but would also make the car undrivable in traffic.
The bottom line is that even a moderate performance cam will have some chop to it. It's the nature of the beast.
Best of luck with whatever you do!
KW
Joined: Jul 2007
Posts: 1,500
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From: ELSA, South TEXAS (956) 802-7700
I run a stealthy cam, Lunati 231-237, 622-601, 114+2, idle set at 850 rpm, hardly chops, and makes power all over in my bored out 6.0 with LS3 Heads.
And I got a Pat G Cam Motion 228-238, 626-626, 114+3, which should be just as stealthy if not slightly more, available for sale.
And I got a Pat G Cam Motion 228-238, 626-626, 114+3, which should be just as stealthy if not slightly more, available for sale.
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Short answer no, the chop you hear is (mostly) a product of valve overlap. Overlap = power for it creates more time for exhaust to efficiently scavenge and forcibly pull more intake air into the cylinder at higher rpms. Although you can make smaller cams lope a little harder at idle but at the end of the day it's still a small cam. There are some stealthy cams on the market that make decent midrange torque though and with the proper exhaust will suprise people on the streets. The everyday street being the equalizer of all things...