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Old 06-12-2011, 11:08 AM   #51
GoPaul
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June 2011 - 2nd Annual Camaro Show - Kemah

Attended my 2nd Annual Camaro Show at Kemah - this year I decided to enter though, had a great time and even won a Vararam air intake for the V6 !

Also got this great picture taken - love it

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Old 06-13-2011, 09:47 PM   #52
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June 2011 Trifecta Tune Loaded

Took it for a quick spin but not really tried it out in ernest yet.

Probably all in my head but certainly feels sharper in the lower gears......

More to follow.....Will probably wait until I install my Vararam intake before getting on the dyno, I'd like to send a data log back to Vince so he can tweek again once its installed.


June 2011 Vararam Installed

Had a few issues Installing this (heat mat was too large, brackets needed to be cut, plastic guides on brackets needed removing - add to this the fact I had to uninstall my Injen including the wash bottle and reinstall the stock bottle and it was a bitch of a job) Initial feedback though is it was worth it I will let the ECU do it's relearn process then will give my feedback after that.

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Old 06-13-2011, 10:17 PM   #53
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I'm real curious after watching the install videos. It looks like there's less than an inch for it to draw air from the front and that the majority of air will be drawn from the side areas in the engine compartment.
Am I wrong?

I was going to ask this on the Vararam thread but didn't want to sound like I was bashing. I'm just honestly curious.
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Old 06-13-2011, 10:24 PM   #54
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Quote:
Originally Posted by GoPaul View Post
June 2011 Vararam Installed

Had a few issues Installing this (heat mat was too large, brackets needed to be cut - add to this the fact I had to uninstall my Injen including the wash bottle and reinstall the stock bottle and it was a bitch of a job) Initial feedback though is it was worth it I will let the ECU do it's relearn process then will give my feedback after that.



Your engine cover is sick!
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Old 06-13-2011, 10:27 PM   #55
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Quote:
Originally Posted by BSR-1 View Post
I'm real curious after watching the install videos. It looks like there's less than an inch for it to draw air from the front and that the majority of air will be drawn from the side areas in the engine compartment.
Am I wrong?

I was going to ask this on the Vararam thread but didn't want to sound like I was bashing. I'm just honestly curious.
After doing the install I was thinking exactly the same thing - In fact I was convinced I'd installed the wing incorrectly because it just didn't look like it would help - I guess it does force the air up from behind the grill into the engine bay though?


Quote:
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Your engine cover is sick!
thanks
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Old 06-13-2011, 10:48 PM   #56
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Quote:
Originally Posted by GoPaul View Post
June 2011 Vararam Installed

Had a few issues Installing this (heat mat was too large, brackets needed to be cut - add to this the fact I had to uninstall my Injen including the wash bottle and reinstall the stock bottle and it was a bitch of a job) Initial feedback though is it was worth it I will let the ECU do it's relearn process then will give my feedback after that.



You're not worried about the L.E.D.'s melting?

Looks sick though!!
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Old 06-13-2011, 10:54 PM   #57
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While I'm at it, How much airflow (as a percentage) is blocked from the radiator?
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Old 06-13-2011, 11:01 PM   #58
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Originally Posted by LA_Ghost View Post
You're not worried about the L.E.D.'s melting?

Looks sick though!!
According to AAC the heat shouldn't be an issue (The LEDs are stuck to the underside of the cover, they don't touch the engine). I did protect the wiring with plastic cable protector though. Time will tell.........lol, though saying that, if it was going to happen I guess it would have by now.
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Old 06-13-2011, 11:02 PM   #59
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Quote:
Originally Posted by BSR-1 View Post
While I'm at it, How much airflow (as a percentage) is blocked from the radiator?
hmm, I'm thinking maybe 20-25%
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Old 06-13-2011, 11:07 PM   #60
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Quote:
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hmm, I'm thinking maybe 20-25%
Let me know if you have any cooling issues.

I still haven't ruled out this intake. I think it has the potential to be the best but I'm not quite sure that they've hit the mark.
I wonder what's to stop pulling the radiator back a little further to get better airflow?
I also would like to see more airbox volume.
Heck maybe I should build my own.
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Old 06-15-2011, 02:54 PM   #61
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Vararam thoughts so far:

The install wasn't the easiest in the world, the fact that I had to uninstall my Injen including the washer bottle then reinstall the stock washer bottle didn't make things any easier.

I then had to modify the stock radiator brackets per the Vararam instructions - not sure how hard it would be to include 2 new angled brackets within the package - it would certainly make things alot easier for the install.

During installation I found that the holes in the heat mat (that go over the radiator guides) were not in alignment - seems the left and right hand side ones were 1" too far apart from one another so when I placed the holes over the guides I had 1" of surplus material that bunches up in the center of the mat - no big loss though as the intake sits over the mat and you can't see it.

I also realized that you had to remove the guid pins on the radiator brackets as they clash with the intake wing otherwise - this wasn't documented in the instructions.

I found the trickiest part to be the connection of the wing, brackets and rubber washers - I lost the original washers somewhere in my bumper and had to buy replacements, I'd suggest using some tape to hold these in place while securing the bolts through the brackets.

I had some teething problems with the height of the intake - appeared to be sitting too high - I adjusted my brackets further by planing them down and slackened the bolts off so they were not too tight. This seemed to solve the problem and all looks well now. I was advised that the plastic inserts that sit within the rubber grommets (on the brackets) need removing, I didn't do this and as everything seems to be sitting ok now, I figured I wouldn't mess with it.

I have the MRT v2.0 isntalled and combined with the Vararam, the noise of this baby compared to my injen is alot deeper - gone is the whistle, but now it sounds alot meaner. I am still going through the ECU learning process so I haven't pushed it yet but hopefully in a few days I can compare the performance side versus the Injen.

In summary, install was a bitch but for the noise alone it seems well worth it. Understandable that there are still some teething issues as this is one of about 5 of the first installs done so I am sure things will settle down for other customers.

I can't wait to test the performance of this thing for real

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Last edited by GoPaul; 06-15-2011 at 04:06 PM.
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Old 06-15-2011, 05:52 PM   #62
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OMG! just got home and this Vararam combined with the Trifecta tune ! what can I say....

it's definitely a combination of the two as I had noticed an improvement in accelerating when in 4th gear with just the Trifecta tune but thought I'd put to test the combination with the Vararam and WOW! this thing moves like it is possessed, I had to rain myself in at one point as I didn't realize how quickly I had got my speed up - can't wait to get this thing on the dyno and out to the track ! a big thumbs up to both Vararam and Trifecta
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Old 06-15-2011, 06:04 PM   #63
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omg cant wait to order it, thanks for the impressions Paul!!!! VIDEO VIDEO VIDEO VIDEO VIDEO VIDEO!!
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Old 06-15-2011, 09:10 PM   #64
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Here you go, video of the MRTv2 combined with the Vararam

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Old 06-15-2011, 09:12 PM   #65
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Paul, did you install the tune at the same time or separately?
I was hoping for a report on the tune to see if it's worth it.
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Old 06-15-2011, 09:17 PM   #66
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Quote:
Originally Posted by BSR-1 View Post
Paul, did you install the tune at the same time or separately?
I was hoping for a report on the tune to see if it's worth it.
I loaded the tune last weekend - biggest butt dyno results seemed to be on 2 points:
1. smoother gear changes from 1st to 2nd
2. Better acceleration in 4th and 5th

After installation of the Vararam - the butt dyno tells me the gains are across the board - was particularly impressive accelerating in 4th on my way home tonight.

I'm hoping to get a dyno in the next couple of weeks and I may load the stock tune to get results with the Vararam & MRT and then load up the trifecta tune and see what I get then, Ideally I'd like to load a 3rd tune which would be tweaked around my data logs after the Vararam installation.
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Old 06-15-2011, 09:19 PM   #67
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Thanks for the report.
Has anybody ever checked the price on an ECU so that you could tune and not void your warranty?
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Old 06-15-2011, 09:23 PM   #68
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Originally Posted by BSR-1 View Post
Thanks for the report.
Has anybody ever checked the price on an ECU so that you could tune and not void your warranty?
Trifecta have said the V6 ECU does not have the ability to record tuning history (which was the turning point in me ordering one) it means when I take it in for a service I'll just return to the stock tune
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Old 06-15-2011, 09:25 PM   #69
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Trifecta have said the V6 ECU does not have the ability to record tuning history (which was the turning point in me ordering one) it means when I take it in for a service I'll just return to the stock tune
Really? I didn't know that. Not that I distrust Vince but has anyone else confirmed this? It could cost quite a bit if he's wrong.
If he's right..............well........I don't see a downside at all.
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Old 06-16-2011, 11:12 AM   #70
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very nice build. keep it up!!
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Old 06-16-2011, 07:19 PM   #71
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I'd also be curious about any MPG changes with the tune.
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Old 06-19-2011, 12:00 PM   #72
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Video above updated
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Old 06-19-2011, 02:58 PM   #73
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Paul. Thanks for the vid!
I cant wait to order my Vararam. Since I missed the group buy, im going to wait for dyno runs first before ruling out Injen. Cant wait to see dyno results!
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Old 06-22-2011, 06:13 PM   #74
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Hey Paul, how you liking the vararam in comparison to the Injen so far?
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Old 06-28-2011, 09:39 PM   #75
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June 2011 Trifecta Tune Loaded

OK so I went to ARD for a dyno this past Saturday and didn't quite get the desired results.

Keep in mind I had previously got a dyno run at ARD in Oct of 2010 with the Injen air intake installed and the stock tune and got 257 RWHP.

All runs shown on the attached dyno sheet were done with the Vararam intake installed and with 93 octane fuel.

Run "Runfile 1304" and "Runfile 1305" were both done first with the 13HP tune installed - results show a max of 241 RWHP

I then reinstalled the stock tune and dyno'd again:
Run "Runfile 1306" and "Runfile 1307" were both ran with the stock tune and results show an improvement with a max of 253 RWHP



I have since reinstalled the 13HP tune and sent a data log off to Vince at Trifecta.

Initial feedback from Vince is that my datalog looks fine. Not sure if he's going to give me another tune though. I'm thinking my best bet at this point is to take it to the track particularly in the wake of Vararam's recent post about their intake and dyno'ing. I wonder if the tune works better with the intake on the street and that some sort of screw up (very technical I know) occurs when trying to dyno the intake and tune together?

Quote:
Originally Posted by sales@vararam.com View Post
We have noticed that some have asked about dyno numbers with the new VR system.

Those that have received their units will find this information in the back of their instructions under" Dyno-ing the VR system".
Most of this and much more will be on the V-6 Camaro page when it comes live.

First, there is no before and after dynoing with any system. The E38 computer must have learn time, or it simply will not bring in full ignition timing. It will not dial in the fuel trims, and the MAF scaling will be off.
The long-term fuel trims must set in at the very least, and that takes 28-32 miles. Driving on the dyno will not do this. We drove 48miles with the V-6 on the dyno.

What if you do a before and after test?
You will probably catch the ECU in the learn process before it has had a chance to fully learn whatever part it is your testing. In which case, your numbers will be off, and you will have worthless data. We test everyone’s products everyday from the flow bench to the road, and we data log everything. We see to it that we know more about our competitor’s products than they do. In this particular case, your dealing with the E38 ECU in the direct injection V-6 combination and how it reacts to changes in airflow.

Here is the most important information: The VR system is designed and set up for the road "NOT THE DYNO”. Specifically it’s optimized for 3rd gear. Third is a high load gear, and the final gear that the car will use at a 1/4 mile drag strip (6sp man) terminal speed is about 105mph.The system was designed to run 22.5-24 deg of timing advance all the way to 6750 RPM and -1-2% fuel trim at WOT in 3rd gear with a specific MAF scaling rate and flow number. It will do this in 100+ deg heat all day long.
The dyno will never be the same as the road. Our tech has worked with racing teams with multi- million dollar facilities, and they still cannot replicate the track perfectly on their dynos.


Here is an example of dyno data vs. on road data taken on the same day. We will look at the stock air box and how it performed in both conditions.
(All testing was conducted on the same day. We made over 10 dyno pulls in 3rd gear, and we data logged using EFI live and a wideband. All information is @ 6750 RPM.

DYNO vs Street 3rd gear pulls

MAF scaling HZ peak 7828-7850 Hz / 7380-7430 Hz

MAF flow rate 28.42 lbs per min / 24.5 lbs per min

Timing advance 21-19.5 deg / 16-14.5 deg (both are pulling timing)

Air fuel 12.10 / 11.5-11.70

Air intake temp 80-82 deg / 80-82 deg

Dyno HP 249- 253hp / OEM street hp? (VR estimate, 239-242hp)

As you can see, if you had designed a system or a tune on the dyno it would be off/wrong.

The VR system is designed to use the ram affect to dial in the MAF for full power when the vehicle is moving. The self inter-cooling allows us to run more timing and a stronger MAF curve without getting out of the ECU's parameters or running into unwanted detonation. On a dyno the airflow is simply not there nor is the road load to replicate this. On a dyno the ECU will bring timing in to quickly (much quicker than the OEM curve) which will cause the ECU to pull timing. Where as on the road it will not It will continue to add timing advance until it reaches the maximum commanded number.

This is one of the reasons we spend so much time in R&D at VR on our systems. They are much more complex than a cone and a pipe style setup. Even our MAF is complex. With features like a reverse venturi aero package. Sound frequency cancellation and A 7 O’clock MAF position with an integrated rear velocity stack for a 20%+ airflow improvement in the throttle body. Big power comes from the details, details come from R&D and stepping outside the "NORM”.
If you just want a dyno number that's easy it's the same unit with a different MAF setup combination and we could do that and it will pull great numbers and then it won’t run as well as the dyno numbers indicate on the street because the MAF will be over-scaled (to much air flow) and it will pull timing.

For VR to achieve our goal of 30+hp in real world conditions, we took our log data from our highest dyno numbers, 276 rear wheel hp@ 1500 DA. We replicated this on the street in 3rd gear in 100 deg heat + 3000ft DA. Then we started to turn up the wick even further. To increase power further we found that we would have to use a more conservative “ static base combination”. We had to do this because of where the MAF scaling, timing and AFR would end up under actual road loads. The end result of all this is what you have all been reading.

“She blazes the tires now “, “it's a different car”, “Smokes the tires through second “and on and on!

There's the real world and the play world, we design our systems for the real world, where our customers win races and set records.

VR Tech
I still think that the tune and the Vararam feels better on my butt dyno when driving compared to the vararam and stock tune, despite the dyno saying otherwise.

Only the track will prove otherwise I guess.......
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