That is a nice torque curve. :thumbsup:
Do you have a baseline graph?
Do you have a baseline graph?
My Chronic Mod-itis is acting up again (Headers + Cam results inside)
Just got the V back from the guys at Vengeance Racing. First, let me take a moment to thank Ron, Mike, and the rest of the guys there for the great work they did and putting up with my constant harassment on when the parts would be in. They are hands down the best performance shop in the area and I highly recommend them for absolutely any LS engine work you want done.
Now on to the fun stuff. Here’s a list of what was done:
- Kooks LTs + Hi-flow Cats
- Vengeance Custom Cam
- Comp Pushrods
- Comp Springs
- Ported TB
- ASP Underdrive Pulley
Went to pick up the car last night. First thing Ron did was crank her up for me. My jaw just dropped. This thing went from having a nice rumble to…well, my wife probably described it best when she said, “Your car sounds like a Harley now.” I’ll try to post up a sound clip shortly. I’ll just say that I probably won’t be listening to the radio anytime soon.
As far as drivability goes it is nearly stock-like save for taking a few seconds for the RPMs to drop on clutch engagement. Cruising at low RPMs is no problem at all. No bucking or surging whatsoever. And that’s no small accomplishment considering this is not really a mild cam. Kudos to Mike for another amazing tune.
I haven’t had a chance to really stomp on it yet, but you can definitely feel a difference. Tires brake loose much easier. I was really surprised at the torque gains with this setup as well. Car is making ~370 ft-lbs at 3k RPMs. That’s about 50 more than it was before. Of course the larger gains are in the upper RPMs. I picked up about 80hp at the wheels at 6k RPMs. Again, I couldn’t be happier with the results and I’ll post more once I’ve had the chance to really push it. Anyone on the fence about doing a cam should just go ahead and pull the trigger. And I highly recommend giving Vengeance a call.
Final numbers and graph below. Nice torque “curve”.
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Now on to the fun stuff. Here’s a list of what was done:
- Kooks LTs + Hi-flow Cats
- Vengeance Custom Cam
- Comp Pushrods
- Comp Springs
- Ported TB
- ASP Underdrive Pulley
Went to pick up the car last night. First thing Ron did was crank her up for me. My jaw just dropped. This thing went from having a nice rumble to…well, my wife probably described it best when she said, “Your car sounds like a Harley now.” I’ll try to post up a sound clip shortly. I’ll just say that I probably won’t be listening to the radio anytime soon.
As far as drivability goes it is nearly stock-like save for taking a few seconds for the RPMs to drop on clutch engagement. Cruising at low RPMs is no problem at all. No bucking or surging whatsoever. And that’s no small accomplishment considering this is not really a mild cam. Kudos to Mike for another amazing tune.
I haven’t had a chance to really stomp on it yet, but you can definitely feel a difference. Tires brake loose much easier. I was really surprised at the torque gains with this setup as well. Car is making ~370 ft-lbs at 3k RPMs. That’s about 50 more than it was before. Of course the larger gains are in the upper RPMs. I picked up about 80hp at the wheels at 6k RPMs. Again, I couldn’t be happier with the results and I’ll post more once I’ve had the chance to really push it. Anyone on the fence about doing a cam should just go ahead and pull the trigger. And I highly recommend giving Vengeance a call.
Final numbers and graph below. Nice torque “curve”.
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nice cam...not TOO much lift but not TOO little either 
You should get good life out of your valve springs. Which ones did you go with? Comp 921s?
You should get good life out of your valve springs. Which ones did you go with? Comp 921s?
This thread is worthless without sound and video.
Comp 918s. I was a little worried because they were only rated to .600 lift and I'd seen a few failure reports lately, but Ron said they were good to .625 without a problem and he has installed literally thousands of them with no issues to speak of.nice cam...not TOO much lift but not TOO little either
This thread is worthless without sound and video.
VERY nice numbers.:highfive:
Heck, that torque curve must make street driving a lot of fun without the need to find the right gear to "keep up with traffic."
Heck, that torque curve must make street driving a lot of fun without the need to find the right gear to "keep up with traffic."
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