New Cam for Basically Stock 98 LS1 T/A M6
#1
New Cam for Basically Stock 98 LS1 T/A M6
So I am looking for a cam for my
98 T/A M6, 4.10 full exhaust (mid headers w/ borla catback), dual friction clutch, overdrive pulleys.
Basic Bolt-ons.
I want something that has a wider power band with an emphasis on low-end torque without losing upper RPM power.
Also, will a new cam screw up emissions testing? Can I still pass with a cam?
98 T/A M6, 4.10 full exhaust (mid headers w/ borla catback), dual friction clutch, overdrive pulleys.
Basic Bolt-ons.
I want something that has a wider power band with an emphasis on low-end torque without losing upper RPM power.
Also, will a new cam screw up emissions testing? Can I still pass with a cam?
#3
I am trying to pass Maryland.
Well I am thinking with new cam technology I can have both relative to my old stock cam.
Shouldn't the advances made in 12 years (especially considering the newness of the LS1) allow me to have more low-end power without sacrificing any top-end now?
I realize cams basically shift the power band but I am looking at my new power curve relative to my old power curve, when I say "more low-end without losing top end".
What do you think?
Well I am thinking with new cam technology I can have both relative to my old stock cam.
Shouldn't the advances made in 12 years (especially considering the newness of the LS1) allow me to have more low-end power without sacrificing any top-end now?
I realize cams basically shift the power band but I am looking at my new power curve relative to my old power curve, when I say "more low-end without losing top end".
What do you think?
#5
Its a mechanical device, optimized for a certain range. The only new advances would be more commonly variable timing/duration/lift events and that is pretty complicated dynamics. So I would think something in the 224/228 range would be go to optimize low end torque.
There is just nothing new that can be done, aside from what I have already mentioned, to re-arrange the way a camshaft performs.
There is just nothing new that can be done, aside from what I have already mentioned, to re-arrange the way a camshaft performs.
#6
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I responded to your other thread, but go custom grind to get exactly what your looking for. Talk to Pat G, and the other cam gurus here to find exactly what you want.
Actually lobe profile plays a huge part in how a cam performs, and there are new profiles that make more power on the same specs.
Its a mechanical device, optimized for a certain range. The only new advances would be more commonly variable timing/duration/lift events and that is pretty complicated dynamics. So I would think something in the 224/228 range would be go to optimize low end torque.
There is just nothing new that can be done, aside from what I have already mentioned, to re-arrange the way a camshaft performs.
There is just nothing new that can be done, aside from what I have already mentioned, to re-arrange the way a camshaft performs.
Actually lobe profile plays a huge part in how a cam performs, and there are new profiles that make more power on the same specs.
#7
I responded to your other thread, but go custom grind to get exactly what your looking for. Talk to Pat G, and the other cam gurus here to find exactly what you want.
Actually lobe profile plays a huge part in how a cam performs, and there are new profiles that make more power on the same specs.
Actually lobe profile plays a huge part in how a cam performs, and there are new profiles that make more power on the same specs.
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#8
Yeah good point, I don't want to maximize low and high, I want to keep my high end now, and maximize low-end.
If I were to put a high end cam in now w/ this new tech I prob wouldn't lose much low-end torque, but I wouldn't gain any either.
Do I need more low-end power, hell no, the thing makes 50 yd burnout marks from a stop in second gear.
It's more a matter of my greedy wants. I want the car to be more brutal down low.
I want to feel that huge displacement low-rpm grunt muscle cars are known for.
If I were to put a high end cam in now w/ this new tech I prob wouldn't lose much low-end torque, but I wouldn't gain any either.
Do I need more low-end power, hell no, the thing makes 50 yd burnout marks from a stop in second gear.
It's more a matter of my greedy wants. I want the car to be more brutal down low.
I want to feel that huge displacement low-rpm grunt muscle cars are known for.
#10
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then i would think you would need a high lift 212/218 on a 112 will give you more of that muscle car feel. it will make more than you make now up top, but it wont feel it because of the reduction of jerk in the upper rpms. even an old muscle pontiac 455HO is a very flat, low end motor, but aside from traction problems, it is very unexciting like a freight train because the torque comes in early and flat lines. the only way to get both is to increase displacement or invent a variable timing setup like mentioned, above impossible for us. you will lose low end when installing a 224+. those lobes kicking the crap out of your valvetrain may reduce the loss but there will be some. a long stroke 427 with a 230s cam will accomplish what you want
Last edited by disc0monkey; 06-26-2010 at 03:39 PM.