Let's talk about blower cams
#1
Let's talk about blower cams
I'm going to swap out my custom grind cam soon for a blower cam. My current cam and the supercharger don't mix very well. Lots of surge. What blower cam do you have, mods, whp, etc? My current set up is V3 Ti trim with 3.6 pulley, custom cam, kooks headers and catted x pipe, slp cat back, and alky meth. I've looked at the Detoxx cam, btr blower cam, ecs big blower cam and tsp blower cams. Not set on any one cam yet. So any advice would be great.
#2
Race Director
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Location: Raleigh, NC
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St. Jude Donor '15
Any of those will be fine, doesn't take a perfect cam to make power with FI setup.
I'm running 220/240, 0.598/0.598 and I think 117+3 in mine. I would have gone slightly more aggressive LSA if I were doing it over. Not much, but maybe another degree or so
Or get BTR or Pat G to spec one based on how aggressive you want it to be. Did it surge before the supercharger or just start after? It shouldn't be worse now with the SC, though won't really be better either
I'm running 220/240, 0.598/0.598 and I think 117+3 in mine. I would have gone slightly more aggressive LSA if I were doing it over. Not much, but maybe another degree or so
Or get BTR or Pat G to spec one based on how aggressive you want it to be. Did it surge before the supercharger or just start after? It shouldn't be worse now with the SC, though won't really be better either
Last edited by schpenxel; 07-19-2017 at 08:08 PM.
#4
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St. Jude Donor '15
Yeah, def tune then.. if you're otherwise happy with the cam then I wouldn't change it. Probably just needs some idle/min airflow adjustments. Extra drag from supercharger can screw with some of the idle settings.
Where are you located?
Where are you located?
Last edited by schpenxel; 07-19-2017 at 08:17 PM.
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Detoxx03 (07-21-2017)
#6
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St. Jude Donor '15
Cool, go for it. Just make sure tuner knows what they are doing or you'll still have issues
#8
Le Mans Master
That's in the tune. My first of 4 vettes, I liked an aggressive, big lope cam. As I've got older, I'd rather have a blower cam, driving is much better. I spec'd my cam on my C6 and loved it, 232/244 118+4. Car ripped with 400 CI and just a T trim.
#9
Team Owner
Cam you have should drive fine, and the work/cost/effort to go to a different cam IMO would not be worth it, when your issues are with the tune, not the cam.
My current cam is 230/244ish on a 116 and love it. Drives amazing, zero issues. Pat G spec'd it, but it is almost identical to the Arun Jam Cam, or other popular blower cams.
My current cam is 230/244ish on a 116 and love it. Drives amazing, zero issues. Pat G spec'd it, but it is almost identical to the Arun Jam Cam, or other popular blower cams.
#10
Cam you have should drive fine, and the work/cost/effort to go to a different cam IMO would not be worth it, when your issues are with the tune, not the cam.
My current cam is 230/244ish on a 116 and love it. Drives amazing, zero issues. Pat G spec'd it, but it is almost identical to the Arun Jam Cam, or other popular blower cams.
My current cam is 230/244ish on a 116 and love it. Drives amazing, zero issues. Pat G spec'd it, but it is almost identical to the Arun Jam Cam, or other popular blower cams.
#12
Team Owner
Better for what? To make 10hp more sure. Is that worth $700+, doubt it.
No reason to run a huge cam, or a mpg killing cam just for sound.
No reason to run a huge cam, or a mpg killing cam just for sound.
#13
Le Mans Master
Find you a blower cam with a little negative overlap. Easily tuned with perfect manners. It won't be so small as to cost you much power either. Let the blower make the power. The cam is just an add on to get more out of your rig. Don't let the cam dominate your Vette. It's possible to get really good power along with really good manners.
If I had kept my LS3 powered SS, I was going to put a 226/232 cam in it just like yours. Only difference was that I was going to use a 116LSA along with 3 degrees of advance. That takes it from a +5* overlap cam to a -3* overlap cam. 8* difference in the two which makes a fairly big difference in manners. The wider LSA cam will pull harder up top too. Might even give you a few more ponies.
I specced that one to work well n/a and also to be OK with boost. Compromise for sure. As the other guys mentioned, Pat G can spec you one exactly for what you're trying to do.
If I had kept my LS3 powered SS, I was going to put a 226/232 cam in it just like yours. Only difference was that I was going to use a 116LSA along with 3 degrees of advance. That takes it from a +5* overlap cam to a -3* overlap cam. 8* difference in the two which makes a fairly big difference in manners. The wider LSA cam will pull harder up top too. Might even give you a few more ponies.
I specced that one to work well n/a and also to be OK with boost. Compromise for sure. As the other guys mentioned, Pat G can spec you one exactly for what you're trying to do.
#14
If you do enough reading you will find some people have swapped out their NA specd cams for blower cams and actually lost power, The cam you have is tunable to run perfectly without any driveability issues. Unless you just want a blower cam just because, your money is better spent elsewhere.
#17
Safety Car
The Detoxx cam I hear is great
#19
Team Owner
I'm sure the Detoxx cam, etc are all great, but what are you going to get for the cost?
It won't fix the surging, it may add a bit more top end, it may not. There are so many other areas to put the money than a new cam that will add more power/reliability/traction/etc.
It won't fix the surging, it may add a bit more top end, it may not. There are so many other areas to put the money than a new cam that will add more power/reliability/traction/etc.
#20
I do all my own work. So labor is free. Bought the car with the cam already in it. Did all mods after that myself. I have no idea what springs, pushrods, lifters etc.... are in the car. So I'd like to change all that while I'm in there. I know a better tune would fix the surge. It was already tuned by a very reputable shop. But they seemed to rush the tune and kick me out the door.