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Old 04-06-2010, 12:39 PM   #1
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My Vararam dyno results

Car has 1 7/8 headers, high flow cats, Magnaflow street catback. My car was recently dynoed with the LMR intake on it, and it made 347 rwhp, 358 ft lbs.Today we re-dynoed it with the Vararam intake and it made 352 rwhp, 362 ft lbs.

Conditions (air temp, humidity, etc) were basically identical to the previous dyno runs. All runs were also corrected SAE.

Before anyone says "those numbers are too low" or "my L99 made xxx" this dyno is conservative. I spoke to guy that road races a Supercharged C6 Vette and he said his car dynos a good 15-20 rwhp lower on this dyno compared to the other dynos he runs on.
And my car has been running 12.5 @ 111 mph with the LRM intake on it. So my car's running good.

Conclusion
On the dyno, the Vararam intake is going to make very similar HP numbers as the other intakes on the market. The Vararam should out perform most other intakes out on the open road where it can pull in cooler air and take advantage of whatever "ram air" effect it gets. But on the dyno, its going to produce numbers very similar to the other intakes.

The true test will be how it performs at the track.
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Old 04-06-2010, 12:59 PM   #2
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when are you going to the track?
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Old 04-06-2010, 01:02 PM   #3
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Thank you very much. Many, many of has been waiting for some type of comparison like this.
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Old 04-06-2010, 01:04 PM   #4
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when are you going to the track?
Hopefully real soon.
The only problem is its pretty warm down here. It's supposed to be
85 degrees today. That's a good 15+ degrees warmer than the last time I ran with my LMR intake.
Its a shame I didn't get my Vararam a little sooner so I could have taken advantage of the slightly cooler weather.

So if I can run pretty similar times (12.5s @ 111 mph) with the Vararam in much warmer air, then the Vararam is making good HP.
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Old 04-06-2010, 01:41 PM   #5
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keep us posted.
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Old 04-06-2010, 02:20 PM   #6
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I gotta say Im stumped. I thought that you would have at least 550rwhp after the vararam.

But on a serious note thanks for posting ive been waiting to see something like this for a few months now.
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Old 04-06-2010, 02:42 PM   #7
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If the LMR isn't too hard to reinstall and you still have it, take it to the track and swap it there. Just a thought.
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Old 04-06-2010, 03:07 PM   #8
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Thank you for posting this as well. I have been waiting to see an unbiased review of the Vararam. As I suspected, and reading on the G8 forum as to what it actually produced vice claimed, it would be a little better than some of the other intakes on the dyno but not what they are claiming. It may perform better as well than most at the track as it should keep IAT`s at ambient while moving, but I am very skeptical of any real "Ram Air" effect...The throttle body, intake manifold and camshaft become limiting factors.


I agree w/ the Vette guy that the dyno is low, no way you ran those times on 347rwhp unless you dropped like 500lbs outa the car..

I can hear the lemmings now though... You didn`t drive it for 10 bazillion miles for it to learn the intake... lol.. Under WOT its using open loop, there ain`t no learning going on there. Now for part throttle closed loop operation driveabilty issues, sure.
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Old 04-06-2010, 03:13 PM   #9
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Quote:
Originally Posted by GMRULZ View Post
Thank you for posting this as well. I have been waiting to see an unbiased review of the Vararam. As I suspected, and reading on the G8 forum as to what it actually produced vice claimed, it would be a little better than some of the other intakes on the dyno but not what they are claiming. It may perform better as well than most at the track as it should keep IAT`s at ambient while moving, but I am very skeptical of any real "Ram Air" effect...The throttle body, intake manifold and camshaft become limiting factors.


I agree w/ the Vette guy that the dyno is low, no way you ran those times on 347rwhp unless you dropped like 500lbs outa the car..
Yeah, its definately not a dyno for guys wanting big numbers. Stock L99s make 31x rwhp on this dyno. I never remove anything from my car not even the crap on my back seats. I've always got stuff from work on the back seat and a emergency bag of stuff in the truck.
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Old 04-06-2010, 03:56 PM   #10
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Are the final numbers with a tune?
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Old 04-06-2010, 04:08 PM   #11
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Are the final numbers with a tune?
Yes, all numbers are tuned for each intake.

My car with the Vararam intake was actually running really well on the dyno with the LMR intake tune. But my car was fine tuned (dyno and street) for the Vararam intake.

My tuner told me his experience has shown that the Vararam intakes make pretty similar numbers (+ a few rwhp) when compared to other intakes on the market (G8 and Vette dyno experience). But he did say that the Vararams usually show
1 mph increase in trap speed at the track compared with other intakes. I believe he runs a Vararam on his Vette.
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Old 04-06-2010, 04:10 PM   #12
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Quote:
Originally Posted by SGOS252382 View Post
Yes, all numbers are tuned for each intake.

My car with the Vararam intake was actually running really well on the dyno with the LMR intake tune. But my car was fine tuned (dyno and street) for the Vararam intake.

My tuner told me his experience has shown that the Vararam intakes make pretty similar numbers (+ a few rwhp) when compared to other intakes on the market (G8 and Vettes). But he did say that the Vararams usually show
1 mph increase in trap speed at the track compared with other intakes. I believe he runs a Vararam on his Vette.

Sounds good.

Also, did you have a wicker bill? If so, did you remove the bottom/sides?
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Old 04-06-2010, 04:14 PM   #13
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Quote:
Originally Posted by Jeanius View Post
Sounds good.

Also, did you have a wicker bill? If so, did you remove the bottom/sides?
I believe my intake does have a wicker bill. If the wicker bill is the gasket. I installed my Vararam just as it arrived. I didn't remove anything.
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Old 04-06-2010, 05:17 PM   #14
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Quote:
Originally Posted by SGOS252382 View Post
I believe my intake does have a wicker bill. If the wicker bill is the gasket. I installed my Vararam just as it arrived. I didn't remove anything.
If you left it in then your unit is very restricted.

I posted pics of it in the "if youve gotten your VR PM" thread

it looks like a gasket that lines the inside of the filter side of the box

Patrick told me when it came time to tune, remove the bottom/sides to un-restrict the unit
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