No BS dyno test of Vararam CAI for G8
#1
No BS dyno test of Vararam CAI for G8
The first mod on my G8 GT was a dyno tune. My power rose from 307rwhp/333rwtq to 325rwhp/335rwtq with the tune (87 octane tune by the way). It was all outlined here:
https://ls1tech.com/forums/dynamomet...e-g8-tune.html
Yesterday, I installed the Vararam cold air intake for the G8 as the second mod. I've seen some pretty outrageous claims from different people on the gains from installing the VR. Mine was going to be a true A-B-A comparison. Tuned with the Vararam, back to tuned with the stock air box, back to the tuned with the Vararam. All on the same dyno within a one hour time period.
The results for the Vararam were good, but certainly not nearly as high as other people's gains. We dynoed the Vararam and it made 335.5rwhp/341.5rwtq. Then we reinstalled the factory airbox and it made 325rwhp/335rwtq. Then we reinstalled the Vararam and it made 336rwhp/342rwtq. A gain of 10.5rwhp and a torque gain of 7. This gain was not as much as some others had posted which leads me to believe that perhaps the Vararam may gain more on an untuned application or maybe people were testing the stock airbox with a stock tune and the Vararam with a power tune. If that's the case, then my total gains for VR and tune were 28rwhp and 9 rwtq. More in line with the big claims some have been making.
Here's the dyno of the Vararam compared to the stock airbox. All adaptives were reset before each pull and the oil/water temps were all the same. We used 93 octane to insure there was 0 knock. Like I said, this was a no-BS test.
https://ls1tech.com/forums/dynamomet...e-g8-tune.html
Yesterday, I installed the Vararam cold air intake for the G8 as the second mod. I've seen some pretty outrageous claims from different people on the gains from installing the VR. Mine was going to be a true A-B-A comparison. Tuned with the Vararam, back to tuned with the stock air box, back to the tuned with the Vararam. All on the same dyno within a one hour time period.
The results for the Vararam were good, but certainly not nearly as high as other people's gains. We dynoed the Vararam and it made 335.5rwhp/341.5rwtq. Then we reinstalled the factory airbox and it made 325rwhp/335rwtq. Then we reinstalled the Vararam and it made 336rwhp/342rwtq. A gain of 10.5rwhp and a torque gain of 7. This gain was not as much as some others had posted which leads me to believe that perhaps the Vararam may gain more on an untuned application or maybe people were testing the stock airbox with a stock tune and the Vararam with a power tune. If that's the case, then my total gains for VR and tune were 28rwhp and 9 rwtq. More in line with the big claims some have been making.
Here's the dyno of the Vararam compared to the stock airbox. All adaptives were reset before each pull and the oil/water temps were all the same. We used 93 octane to insure there was 0 knock. Like I said, this was a no-BS test.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
#5
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The first mod on my G8 GT was a dyno tune. My power rose from 307rwhp/333rwtq to 325rwhp/335rwtq with the tune (87 octane tune by the way). It was all outlined here:
https://ls1tech.com/forums/dynamomet...e-g8-tune.html
Yesterday, I installed the Vararam cold air intake for the G8 as the second mod. I've seen some pretty outrageous claims from different people on the gains from installing the VR. Mine was going to be a true A-B-A comparison. Tuned with the Vararam, back to tuned with the stock air box, back to the tuned with the Vararam. All on the same dyno within a one hour time period.
The results for the Vararam were good, but certainly not nearly as high as other people's gains. We dynoed the Vararam and it made 335.5rwhp/341.5rwtq. Then we reinstalled the factory airbox and it made 325rwhp/335rwtq. Then we reinstalled the Vararam and it made 336rwhp/342rwtq. A gain of 10.5rwhp and a torque gain of 7. This gain was not as much as some others had posted which leads me to believe that perhaps the Vararam may gain more on an untuned application or maybe people were testing the stock airbox with a stock tune and the Vararam with a power tune. If that's the case, then my total gains for VR and tune were 28rwhp and 9 rwtq. More in line with the big claims some have been making.
Here's the dyno of the Vararam compared to the stock airbox. All adaptives were reset before each pull and the oil/water temps were all the same. We used 93 octane to insure there was 0 knock. Like I said, this was a no-BS test.
https://ls1tech.com/forums/dynamomet...e-g8-tune.html
Yesterday, I installed the Vararam cold air intake for the G8 as the second mod. I've seen some pretty outrageous claims from different people on the gains from installing the VR. Mine was going to be a true A-B-A comparison. Tuned with the Vararam, back to tuned with the stock air box, back to the tuned with the Vararam. All on the same dyno within a one hour time period.
The results for the Vararam were good, but certainly not nearly as high as other people's gains. We dynoed the Vararam and it made 335.5rwhp/341.5rwtq. Then we reinstalled the factory airbox and it made 325rwhp/335rwtq. Then we reinstalled the Vararam and it made 336rwhp/342rwtq. A gain of 10.5rwhp and a torque gain of 7. This gain was not as much as some others had posted which leads me to believe that perhaps the Vararam may gain more on an untuned application or maybe people were testing the stock airbox with a stock tune and the Vararam with a power tune. If that's the case, then my total gains for VR and tune were 28rwhp and 9 rwtq. More in line with the big claims some have been making.
Here's the dyno of the Vararam compared to the stock airbox. All adaptives were reset before each pull and the oil/water temps were all the same. We used 93 octane to insure there was 0 knock. Like I said, this was a no-BS test.
#7
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A G8 holds 18-20 gallons of gas right? So if 93 octane is (at most) .25 higher than 87 octane, you're saving a measly $5 per tank, for less HP.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
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#8
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A G8 holds 18-20 gallons of gas right? So if 93 octane is (at most) .25 higher than 87 octane, you're saving a measly $5 per tank, for less HP.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
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A G8 holds 18-20 gallons of gas right? So if 93 octane is (at most) .25 higher than 87 octane, you're saving a measly $5 per tank, for less HP.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
How much more could/would be gained with a 93 octane tune ? 5 rhwp/rwtq ?
Pat G, very nice true A-B comparison. Nice touch putting her back to stock then back to the VaraRam. Way to back it up, especially all with in 1 hour !!
#10
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I get it, 250-300 (based on your $5 a tank savings analogy) or even more if you drive a lot saved per year. That doesn't sound like much, but its money in your pocket.
How much more could/would be gained with a 93 octane tune ? 5 rhwp/rwtq ?
Pat G, very nice true A-B comparison. Nice touch putting her back to stock then back to the VaraRam. Way to back it up, especially all with in 1 hour !!
How much more could/would be gained with a 93 octane tune ? 5 rhwp/rwtq ?
Pat G, very nice true A-B comparison. Nice touch putting her back to stock then back to the VaraRam. Way to back it up, especially all with in 1 hour !!
#11
A G8 holds 18-20 gallons of gas right? So if 93 octane is (at most) .25 higher than 87 octane, you're saving a measly $5 per tank, for less HP.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
I don't get these "87 octane" setups, but whatever tickles your pickle. Nice work Pat, you do a great job of helping lead the way for others with R&D.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
#13
At a glance:
• Produces a real-world 35hp+
• A direct bolt on
• No chopping or cutting on the car
• Unreal throttle response
• Flows 1400-2000CFM+! (Depending on the filter used)
• Reduces 0-60mph by a full ½ second! (As tested 5.2 stock vs 4.7 & 4.65 best with
VR system NO TUNING!) With a tune, we saw 4.4 sec but no grip to go faster.
• Reduces ¼ mile ET by 3 tenths and adds +3mph Minimum Guaranteed, or we will
take the unit back and pay shipping both ways!
• (NO TUNING) w/ tuning you will go even quicker.
I've seen people on the G8 boards makes claims in the 20+ rwhp range, but I don't know what kind of tune the baseline had verses the after version. For what it's worth, a heat-soaked IAT sensor vs a cooled-off IAT sensor can make a 10 rwhp swing by itself from the timing that gets pulled with elevated IATs. I've seen this skew results in the past with stock tunes. IATs did not affect timing in my tests.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
#14
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iTrader: (2)
From the Vararam website:
At a glance:
• Produces a real-world 35hp+
• A direct bolt on
• No chopping or cutting on the car
• Unreal throttle response
• Flows 1400-2000CFM+! (Depending on the filter used)
• Reduces 0-60mph by a full ½ second! (As tested 5.2 stock vs 4.7 & 4.65 best with
VR system NO TUNING!) With a tune, we saw 4.4 sec but no grip to go faster.
• Reduces ¼ mile ET by 3 tenths and adds +3mph Minimum Guaranteed, or we will
take the unit back and pay shipping both ways!
• (NO TUNING) w/ tuning you will go even quicker.
I've seen people on the G8 boards makes claims in the 20+ rwhp range, but I don't know what kind of tune the baseline had verses the after version. For what it's worth, a heat-soaked IAT sensor vs a cooled-off IAT sensor can make a 10 rwhp swing by itself from the timing that gets pulled with elevated IATs. I've seen this skew results in the past with stock tunes. IATs did not affect timing in my tests.
At a glance:
• Produces a real-world 35hp+
• A direct bolt on
• No chopping or cutting on the car
• Unreal throttle response
• Flows 1400-2000CFM+! (Depending on the filter used)
• Reduces 0-60mph by a full ½ second! (As tested 5.2 stock vs 4.7 & 4.65 best with
VR system NO TUNING!) With a tune, we saw 4.4 sec but no grip to go faster.
• Reduces ¼ mile ET by 3 tenths and adds +3mph Minimum Guaranteed, or we will
take the unit back and pay shipping both ways!
• (NO TUNING) w/ tuning you will go even quicker.
I've seen people on the G8 boards makes claims in the 20+ rwhp range, but I don't know what kind of tune the baseline had verses the after version. For what it's worth, a heat-soaked IAT sensor vs a cooled-off IAT sensor can make a 10 rwhp swing by itself from the timing that gets pulled with elevated IATs. I've seen this skew results in the past with stock tunes. IATs did not affect timing in my tests.
#15
In a nutshell Kevin, I'm saying that if anybody gains more than 10 or 12 with the VR intake on a G8, they are seeing other benefits beside the decrease in air intake restriction the VR provides. A hot IAT sensor on the BEFORE test vs a cool IAT sensor on the AFTER test can add 6-8 degrees of additional timing. That's going to make the AFTER test look better than it actually is. On my test, all the timing and A/F variables were eliminated. I'm not sure if I can say the same for the other tests. Regardless, the Vararam is a fine product and the gains will probably increase over the chassis dyno numbers with forward vehicle speed.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
#18
I really want to go with the Rotofab because it's looks awesome, but people seem to be picking up better with the Vararam at the track so I'll probably end up going with that.
Great comparison, Pat. Thanks for the info! (great color G8 btw )
Great comparison, Pat. Thanks for the info! (great color G8 btw )
#19
Stock Air box:
kPa would drop from 101 to 96kPa at WOT on the dyno and at speeds of over 100mph. No ram air effect.
Vararam:
kPa would drop from 101 to 98kPA at WOT on the dyno. (2 kPa better than stock).
kPa would hover between 99-100kPa at speeds above 60mph with an occasional 101kPA. (4-5 kPa better than stock).
Net result, the Vararam gave 2 kPa less restriction on the chassis dyno vs. the stock air box and added an additional 2-3 kPa in pressure at speeds above 60 mph. Since we gained around 10rwhp on the dyno with a 2kPa gain, it is possible to pick up a total of 20rwhp over the stock airbox at speeds over 60mph considering the 4-5kPa gain of the VR vs. stock.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
#20
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Very good info PAT G !!
I'd love to know how well my VaraRam flows at speed. Considering how well the car runs I am going to assume its doing just fine.
Whats the fastest you've taken the car up to, and is there any measureable difference between 60 mph and 100 mph ??
I'd love to know how well my VaraRam flows at speed. Considering how well the car runs I am going to assume its doing just fine.
Whats the fastest you've taken the car up to, and is there any measureable difference between 60 mph and 100 mph ??