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Results: QTP HVMC vs. Pacesetters

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Old 04-22-2007, 07:20 AM
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Car is pretty loud with the cutout closed, car is REALLY loud with it open
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Old 04-22-2007, 07:50 AM
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^^^^^^^^ Thanks for the reply man LOL
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Old 04-22-2007, 08:05 AM
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haha NP, I have a dyno video with it open and closed and will try to post it up or get someone to host it for me.
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Old 04-22-2007, 11:10 AM
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Does it feel like it picked up that much torque down low? That's quite a bit for sure...
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Old 04-22-2007, 12:37 PM
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Very nice gains there Mike! Congrats on a strong running setup. Makes me wonder if I should have kept my F13..
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Old 04-22-2007, 02:53 PM
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Thanks I was out for a ride a few weeks back and stuck it at about 2800, and it threw me back in the seat pretty damn hard, caught me off guard. I was not expecting that at all. That is why I was so anxious to get on the dyno to see what it really did.
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Old 04-22-2007, 04:07 PM
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Are you speed density or running a MAF?

Also, do you have a lid set-up or something else?
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Old 04-22-2007, 05:06 PM
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SD and yes I am still running a lid with stock lower air box.
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Old 04-22-2007, 05:48 PM
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Originally Posted by Patrick G
Very impressive gains in the mid-range Mike. Kinda explains why the Corvettes with HVMCs are so strong in the 3000-3500 range. You gotta torquey setup for sure!!

HVMC? What is this? (sorry )
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Old 04-22-2007, 06:47 PM
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Originally Posted by vettenuts
HVMC? What is this? (sorry )
High velocity merge collector...
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Old 04-22-2007, 06:56 PM
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Thats really intresting info. I've been looking for a thread like this for a while now.
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Old 04-22-2007, 07:05 PM
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cool, I love seeing good data like this.
Did you have any KR at 2700 with the pacesetters, and have slow recovery. it kinda looks like that, but not sure?
thanks
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Old 04-22-2007, 08:40 PM
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No, there was no KR. Some of the dips in there were just fueling issues. I did not want to change much from the street tune because the fueling was fine on the street and the track. The load on this dyno (5200 lb drum) was enough to change some of the numbers.

I will be going back after changing rockers and will fix those small spots to get the graph to look better though lol
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Old 04-23-2007, 06:37 AM
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Originally Posted by Patrick G
Very impressive gains in the mid-range Mike. Kinda explains why the Corvettes with HVMCs are so strong in the 3000-3500 range. You gotta torquey setup for sure!!
Which Corvette headers fall into this category, the only two I can think of are the LG Pro's and the American Racing.
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Old 04-23-2007, 06:39 AM
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I am pretty sure he was talking about the LG headers
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Old 04-23-2007, 11:19 AM
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Originally Posted by WS6FirebirdTA00
I am pretty sure he was talking about the LG headers
The longer tubes should also help the mid-range as well.
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Old 04-23-2007, 03:25 PM
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I guess that answers all the question people have been asking. Gained up top but the across the baord gain is where it counts. 16hp and 26ft tq gain
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Old 04-23-2007, 04:16 PM
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at 3100 it is 18 hp and 30 ft lbs

I finally got some more tuning done on it yesterday so all those weird spots should go away when I hit the dyno up in a few weeks. Just have not had much time to mess with it lately.
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Old 04-23-2007, 04:31 PM
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Awesome man. I hope to have a stock with Magnaflow catback numbers vs QTP numbers. That should be even more impressive.
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Old 04-23-2007, 04:39 PM
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Nice, I am interested to see how that does. If you can post a link in here when you get done that would be cool, link results together.
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