More ZR1 Dyno Numbers with EFILive Tune and ARH Headers!
10-04-2008 | 08:09 AM
#1
More ZR1 Dyno Numbers with EFILive Tune and ARH Headers! Nicky and Jose fabricated an 1 7/8 inch header, custom X pipe and free flowing cats for the car. With some basic tuning with EFI Live (not wanting to push this beast just yet since it only has 200 miles on it) and the 1 7/8 header the car made 598RWHP 549RWTQ! The Dyno sheet shows over 40 RWHP and almost 50 RWTQ over the entire power band! Incredible!!
Here is the dyno sheet:
We also tried an 1/34 header which should a significant loss over the larger header. The larger header is the way to go.
We have left a lot more power on the table with the tune as again I only pulled the car a couple times on the dyno with the new ARH exhaust system and left a very conservative tune in it. Thanks again to Chad for getting me the software. The EFI Live software for the 09 ZR1 worked great. I personally drove the car after I tuned the car and I can say this thing runs great!
We have another customer picking up their new ZR1 next week. He is looking for an even more aggressive package. We are working on a custom pulley system and air box, both should really help this beast reach its full potential. I can tell you now that replacing the pulley is not going to be as easy as it is on a Magnusson but we think it will be possible with some creative designing.
Here is the dyno sheet:
We also tried an 1/34 header which should a significant loss over the larger header. The larger header is the way to go.
We have left a lot more power on the table with the tune as again I only pulled the car a couple times on the dyno with the new ARH exhaust system and left a very conservative tune in it. Thanks again to Chad for getting me the software. The EFI Live software for the 09 ZR1 worked great. I personally drove the car after I tuned the car and I can say this thing runs great!
We have another customer picking up their new ZR1 next week. He is looking for an even more aggressive package. We are working on a custom pulley system and air box, both should really help this beast reach its full potential. I can tell you now that replacing the pulley is not going to be as easy as it is on a Magnusson but we think it will be possible with some creative designing.
10-04-2008 | 11:24 AM
#5
Cool report Chad. That's a nasty car for sure. 
__________________
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
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
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
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
10-04-2008 | 11:58 AM
#7
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From: Western Burbs of Detroit
Wow !! Basically 500+ rwtq from 2250 - 6250 rpms. Also from 3000 to 4750 its basically flat, talk about smooth power that starts low and holds on for the ride. Where's the fall off, gotta love factory FI on a sports car.
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10-04-2008 | 02:16 PM
#11
They are just scratching the surface for findingmore power. Got to love these lsx motors!!! 598rwhp with a (easy safe) tune and exhaust. Then count in a pulley and intake change. Then for s&g's upgrade the rocker ratio and spring. And the should see 630-650rwhp. Then add a cam.....etc.....etc.....etc.... Zr1 kicks *** like its Zo6 brother!!!
10-04-2008 | 08:49 PM
#12
That cars potential hasn't even been touched yet. People hate on it now because of the price, but wait until ZR1's are making 650+ rwhp with factory reliability. Won't be many haters after that.
10-04-2008 | 11:43 PM
#14
Nice numbers! Something to realize though, GM said the intercooler system is NOT sufficient to add boost at this point. So for someone to perform a pulley swap and add boost, its going to create too much heat. They may not be as modable with the FI as we are used to with 03 Cobras/Ford GT's.
Maybe a different intercooler assembly/blower(intercooler)assembly may get them there. Maybe GM was being too conservative with thier advice to the aftermarket with the intercooler capacity. We will see Im sure.
Id take a C6Z with the MTI blower over the ZR1 anyday.
Maybe a different intercooler assembly/blower(intercooler)assembly may get them there. Maybe GM was being too conservative with thier advice to the aftermarket with the intercooler capacity. We will see Im sure.
Id take a C6Z with the MTI blower over the ZR1 anyday.
10-05-2008 | 12:13 AM
#15
TECH Resident
Joined: Dec 2003
Posts: 797
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From: Long Island, NY
Carmen said there was a good amount left in it as this is a NEW CAR.
I would be suprised 610-620rwhp same setup with some more miles.
Same car with a PULLEY (once they figure out how to rig one up for it) and tune will make 700# all stock everything else. that will be reliable car that will just need a clutch to hold the power.
Vette Doctors pioneers in the lsx game.
I would be suprised 610-620rwhp same setup with some more miles.
Same car with a PULLEY (once they figure out how to rig one up for it) and tune will make 700# all stock everything else. that will be reliable car that will just need a clutch to hold the power.
Vette Doctors pioneers in the lsx game.
10-05-2008 | 05:03 AM
#16
Congrats to Vette Doctors on the awesome work and great results.What does anyone think a small shot would do to it? I am guessing like cobra's it would be a 60 shot making almost a 100 rwhp. Just a guess tho.
10-05-2008 | 10:48 AM
#18
TECH Regular
Joined: Mar 2006
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From: Rolesville, NC
10-05-2008 | 12:02 PM
#19
Nice numbers! Something to realize though, GM said the intercooler system is NOT sufficient to add boost at this point. So for someone to perform a pulley swap and add boost, its going to create too much heat. They may not be as modable with the FI as we are used to with 03 Cobras/Ford GT's.
Maybe a different intercooler assembly/blower(intercooler)assembly may get them there. Maybe GM was being too conservative with thier advice to the aftermarket with the intercooler capacity. We will see Im sure.
Id take a C6Z with the MTI blower over the ZR1 anyday.
Maybe a different intercooler assembly/blower(intercooler)assembly may get them there. Maybe GM was being too conservative with thier advice to the aftermarket with the intercooler capacity. We will see Im sure.
Id take a C6Z with the MTI blower over the ZR1 anyday.
I think you hit the nail on the head, GM was being VERY conservative
