Vararam DRX - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

2ss black · 07-17-2018, 01:36 PM

Has anyone tested the new vararam against the old vararam and which one do you think is better I have both and just need to know which one is better for anyone that has tested it thanks

InFiD3ViL · 07-17-2018, 06:33 PM

I doubt it.

Reason? Their stupid marketing makes it seem as though you cannot install the DRX on a 2010/2011 Camaro, which is absolute BS.
Now, you cannot install a 2010/2011 Vararam SS on a 2012+ car due to the radiator neck relocation, but you can certainly install it the other way around (DRX on a 2010/2011).

I can understand why they did it though. After the amount of $$$ they put into the original Vararam, why would they want to kill it off and compete with their own product by saying the DRX can fit those cars too?

I am very happy with my Vararam SS, and contrary to most other people, I love the way it looks, and even more so, the way it performs. That said, I would love to try a DRX and see how it performs in comparison.

xc_SS/RS · 07-18-2018, 08:01 AM

Ive asked them before and they have told me the gains are similar. But, I'll bet the OTR intake will offer better throttle response and lower IATs compared to the DRX.

Run whichever one you like, they're both good options

actually i know the OTR will have better IAT's. for the past couple of logged WOT runs i've logged IAT's at ambient temps or 1 degree above. cruising its about 3-5 above ambient temps

vararam industries · 07-18-2018, 01:31 PM

The DRX will fit on a 2010-2011 V-8 Camaro . They make similar power.
The reason we don't offer it for the 2010-2011 car is because GM changed the algorithm in the ECM. The DRX is designed to maximize GM's ECM 2012-2014 V-8 programming out of the box without tuning. If you put it on a 2010-2011 the tune would be off.

xc_SS/RS · 07-18-2018, 02:18 PM

Quote:

Originally Posted by vararam industries

The DRX will fit on a 2010-2011 V-8 Camaro . They make similar power.
The reason we don't offer it for the 2010-2011 car is because GM changed the algorithm in the ECM. The DRX is designed to maximize GM's ECM 2012-2014 V-8 programming out of the box without tuning. If you put it on a 2010-2011 the tune would be off.

is this related to the MAF sensor or different settings?

vararam industries · 07-18-2018, 03:27 PM

It has to do with revised MAF limits ,scaling , sensitivity and it's correlation to the Trans and cam timing on automatic cars .

VR tech

2ss black · 07-19-2018, 01:31 PM

I have both vararam the o t r and the drx and my car is it 2010 that's been tune and I will be testing them at the track and a week or so at pbir will let everyone know when I am done

vararam industries · 07-19-2018, 02:30 PM

FYI:
The DRX is setup for a 2012-2014 Camaro that has a completely different MAF scaling rate than a 2010 model. If it is tuned for the 2010 OTR unit it will be completely off for the DRX and Vise Versa. This will affect max commanded Ignition and Cam timing ( if an Auto) as well as the Air fuel ratio.

When compared tune for tune the DRX will out ET the "standard" VR OTR. Trap speed will be about the same. The DRX is designed to make more Torque and Power under the curve . That is what it has proven to do, even when compared to others on the dyno . It spikes up another 10HP and Ft lbs and carries it up until about 5850 RPM unless there is a cam change.
We had a customer just last week Dyno it against another popular CA based brand on a heads cam car. The DRX made 22 more ft lbs of Torque and 14 HP more on the dyno TUNE for TUNE.
The DRX manipulates the air-charge velocity to over 100% VE at a specific RPM point. The OTR unit uses Ram affect to do the same but at a higher RPM point.

VR tech

2ss black · 07-19-2018, 05:46 PM

i have gpi ss1 cam gpi tune gpi ported and rod mod intake long tube header ported throttle and went 11.6 at 120 with the OTR vararam last time i was at the track just want to see is the drx going to pick up anything also going data log so Ryan can adjust the tune for the drx

vararam industries · 07-19-2018, 07:39 PM

If retuned it will pick up.
Did you get that OTR VR from Ryan or from US?
In other words ,is that his old OTR unit?

VR tech

InFiD3ViL · 07-19-2018, 08:08 PM

Quote:

Originally Posted by vararam industries

The DRX will fit on a 2010-2011 V-8 Camaro . They make similar power.
The reason we don't offer it for the 2010-2011 car is because GM changed the algorithm in the ECM. The DRX is designed to maximize GM's ECM 2012-2014 V-8 programming out of the box without tuning. If you put it on a 2010-2011 the tune would be off.

Don't mind me man. I am suspicious of everyone.

2ss black · 07-20-2018, 04:49 AM

yes it a old OTR got it years ago

xc_SS/RS · 07-20-2018, 07:27 AM

Well now I'm curious about the DRX unit lol I might give it a shot at some point

2ss black · 07-20-2018, 08:09 AM

The only reason I changed to the DRX is because the OTR would not fit what my nitrous plate so I guess I need to have Ryan retune the car for the DRX unless you can come up with a solution to make the OTR with the nitrous plate would love to keep the OTR and do you think I need to update the old OTR it's about 9 years old one of the first ones you made do you think I need to change to the new OTR this question is for vararam are Ryan thanks

07-17-2018, 01:36 PM	#1
2ss black Drives: black2ss Join Date: Jul 2010 Location: pompano beach fl Posts: 253	Vararam DRX Has anyone tested the new vararam against the old vararam and which one do you think is better I have both and just need to know which one is better for anyone that has tested it thanks

07-17-2018, 06:33 PM	#2
InFiD3ViL Drives: 2010 CGM 2SS/RS LS3 Swapped A6 Join Date: Sep 2016 Location: Spring Hill, FL Posts: 4,570	I doubt it. Reason? Their stupid marketing makes it seem as though you cannot install the DRX on a 2010/2011 Camaro, which is absolute BS. Now, you cannot install a 2010/2011 Vararam SS on a 2012+ car due to the radiator neck relocation, but you can certainly install it the other way around (DRX on a 2010/2011). I can understand why they did it though. After the amount of $$$ they put into the original Vararam, why would they want to kill it off and compete with their own product by saying the DRX can fit those cars too? I am very happy with my Vararam SS, and contrary to most other people, I love the way it looks, and even more so, the way it performs. That said, I would love to try a DRX and see how it performs in comparison. __________________ 2010 CGM Camaro 2SS LS3 Swapped A6 - GPI LS3 SS1 .647/.638, (224/237, 112 +4, 7º overlap) on CamMotion 8620 core, BTR Platinum .660" Dual Spring kit w/titanium retainers, CHE bronze trunnion upgrade, stock heads milled @ .015, Melling HV 10296 oil pump, TSP 1-7/8" long tube headers (W/Catless Off-road Pipes), Corsa Xtreme 3" Catback, GPI Ported/Rod Mod Intake, Stage 2 Ported Throttle Body, Vararam OTR CAI, Mike Norris Gen 2 catch can + GM 1LE clean side separator, 160º thermostat - Megan Racing adjustable coilovers (lowered 1.75"), MRR M017 10/11" wheels-Tuned by Ryan @ GPI Last edited by InFiD3ViL; 07-17-2018 at 10:03 PM.

07-18-2018, 08:01 AM	#3
xc_SS/RS Drives: 2010 Camaro SS/RS Join Date: Mar 2014 Location: somewhere in MD Posts: 4,883	Ive asked them before and they have told me the gains are similar. But, I'll bet the OTR intake will offer better throttle response and lower IATs compared to the DRX. Run whichever one you like, they're both good options actually i know the OTR will have better IAT's. for the past couple of logged WOT runs i've logged IAT's at ambient temps or 1 degree above. cruising its about 3-5 above ambient temps __________________ 2010 2SS/RS Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53 Last edited by xc_SS/RS; 07-18-2018 at 12:29 PM.

07-19-2018, 01:31 PM	#7
2ss black Drives: black2ss Join Date: Jul 2010 Location: pompano beach fl Posts: 253	Vararam I have both vararam the o t r and the drx and my car is it 2010 that's been tune and I will be testing them at the track and a week or so at pbir will let everyone know when I am done

07-19-2018, 05:46 PM	#9
2ss black Drives: black2ss Join Date: Jul 2010 Location: pompano beach fl Posts: 253	vararam i have gpi ss1 cam gpi tune gpi ported and rod mod intake long tube header ported throttle and went 11.6 at 120 with the OTR vararam last time i was at the track just want to see is the drx going to pick up anything also going data log so Ryan can adjust the tune for the drx

07-18-2018, 01:31 PM	#4
vararam industries Drives: 2014 C7 Join Date: Oct 2013 Location: Houston Posts: 115	The DRX will fit on a 2010-2011 V-8 Camaro . They make similar power. The reason we don't offer it for the 2010-2011 car is because GM changed the algorithm in the ECM. The DRX is designed to maximize GM's ECM 2012-2014 V-8 programming out of the box without tuning. If you put it on a 2010-2011 the tune would be off.

07-18-2018, 03:27 PM	#6
vararam industries Drives: 2014 C7 Join Date: Oct 2013 Location: Houston Posts: 115	It has to do with revised MAF limits ,scaling , sensitivity and it's correlation to the Trans and cam timing on automatic cars . VR tech

07-19-2018, 02:30 PM	#8
vararam industries Drives: 2014 C7 Join Date: Oct 2013 Location: Houston Posts: 115	FYI: The DRX is setup for a 2012-2014 Camaro that has a completely different MAF scaling rate than a 2010 model. If it is tuned for the 2010 OTR unit it will be completely off for the DRX and Vise Versa. This will affect max commanded Ignition and Cam timing ( if an Auto) as well as the Air fuel ratio. When compared tune for tune the DRX will out ET the "standard" VR OTR. Trap speed will be about the same. The DRX is designed to make more Torque and Power under the curve . That is what it has proven to do, even when compared to others on the dyno . It spikes up another 10HP and Ft lbs and carries it up until about 5850 RPM unless there is a cam change. We had a customer just last week Dyno it against another popular CA based brand on a heads cam car. The DRX made 22 more ft lbs of Torque and 14 HP more on the dyno TUNE for TUNE. The DRX manipulates the air-charge velocity to over 100% VE at a specific RPM point. The OTR unit uses Ram affect to do the same but at a higher RPM point. VR tech

07-19-2018, 07:39 PM	#10
vararam industries Drives: 2014 C7 Join Date: Oct 2013 Location: Houston Posts: 115	If retuned it will pick up. Did you get that OTR VR from Ryan or from US? In other words ,is that his old OTR unit? VR tech

07-20-2018, 04:49 AM	#12
2ss black Drives: black2ss Join Date: Jul 2010 Location: pompano beach fl Posts: 253	vararam yes it a old OTR got it years ago

07-20-2018, 07:27 AM	#13
xc_SS/RS Drives: 2010 Camaro SS/RS Join Date: Mar 2014 Location: somewhere in MD Posts: 4,883	Well now I'm curious about the DRX unit lol I might give it a shot at some point __________________ 2010 2SS/RS Z/28 intake, NW, FAST 102, speed engineering LT's, some exhaust, ATI -10% pulley, GM flex fuel injectors, DSX flex fuel sensor, MGW shifter, HP Tuners, some suspension work, stickers and a little weight loss. 12.63 @113.53

07-20-2018, 08:09 AM	#14
2ss black Drives: black2ss Join Date: Jul 2010 Location: pompano beach fl Posts: 253	Vararam The only reason I changed to the DRX is because the OTR would not fit what my nitrous plate so I guess I need to have Ryan retune the car for the DRX unless you can come up with a solution to make the OTR with the nitrous plate would love to keep the OTR and do you think I need to update the old OTR it's about 9 years old one of the first ones you made do you think I need to change to the new OTR this question is for vararam are Ryan thanks