Thoughts/opinions on Roadrunner LS1 Emulator?
Often Imitated But Never Duplicated!!!!!!
Ive definatly gotten my moneys worth out of them for sure. It was the best $599 i ever spent for my tuning stuff. Trending Topics
I put it in first gear (worst noticable) and drove off leaving it in gear and at idle, then started changing afr's and spark till it stopped bucking.
Took all of 5 mins or less with probably 20+ variables changed all up.
Without it it would off taken over 1/2 hour or more due to having to stop car, reflash, start, drive off, verify it improved or not, then repeat.
Absolute time saver.
Top peice of kit.
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I spent over 4 weeks trying to get the car back to where it was before. I must have spent 40 hours in the car logging and flashed the program over 100 times. Still not working right.
Then I got my roadrunner. Instantly I could make airflow changes to my idle tables, throttle cracker, throttle follower, spark tables, you name it. Within hours (not days) my car was well behaved again. Having real-time tuning allowed me to try out things I'd never consider. Interestingly, many of the odd-ball things I tried worked wonders. Without real-time feedback, I could have never gotten my street manners back to where they needed to be.
Some of the coolest features of the Roadrunner are the bubbles that pop up in your tuning software that show you which cell you're currently in. When you see the cell highlighted, you can change that one cell and instantly get the feedback on whether it helped or not. I found this especially useful when setting up the throttle follower tables and throttle cracker tables.
Now when I clutch in, regardless of speed, my rpm sticks to idle speed. My idle is rock solid. I even was able to trim my cruise A/F ratio on the fly to get better gas mileage while monitoring my wide-band. Yes, the real-time tuning capabilities are time savers for sure, but in my case, they were also life savers...I didn't have to kill my car, LOL!
I give the Roadrunner a 10 on a scale of 1 to 10!

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.
VE, VE vs TPS multiplyer, PE, MAF, Spark, Idle spark, Target idle speed, Base running airflow, iac steps vs effective area, throttle cracker, throttle follower, o2 switch points, etc.
The roadrunner may be able to tune all 500 or so available parameters, but do you really need to tune your rev limiter in real time? Or fan settings? or speed limiter? The bottom line is RTT is a cost effective(1 credit@$49 for 1 bar SD or 1 bar MAF) and effective way to real time tune a vehicle. I use it on EVERY vehicle I tune now because it really does make tuning a breeze.
Oh did I mention theres no need to swap pcm's? Its just a simple write entire process which takes less then 2 minutes in most cases
Ive had the RoadRunner installed for a few months now as primary PCM. absolutely no issues. In the holden its a 5min swap. As mentioned changes are immediate and any table or value can be changed.
Once you use it you wont want to go back. Who wants to stop the car and sit for a few minutes flashing? You can do a full calibration update while the car is running. Awsome for dyno work, idle etc. And its not limited to certain OS's it supports anything that the 99+ VPW PCM supports.

I spent over 4 weeks trying to get the car back to where it was before. I must have spent 40 hours in the car logging and flashed the program over 100 times. Still not working right.
Then I got my roadrunner. Instantly I could make airflow changes to my idle tables, throttle cracker, throttle follower, spark tables, you name it. Within hours (not days) my car was well behaved again. Having real-time tuning allowed me to try out things I'd never consider. Interestingly, many of the odd-ball things I tried worked wonders. Without real-time feedback, I could have never gotten my street manners back to where they needed to be.
Some of the coolest features of the Roadrunner are the bubbles that pop up in your tuning software that show you which cell you're currently in. When you see the cell highlighted, you can change that one cell and instantly get the feedback on whether it helped or not. I found this especially useful when setting up the throttle follower tables and throttle cracker tables.
Now when I clutch in, regardless of speed, my rpm sticks to idle speed. My idle is rock solid. I even was able to trim my cruise A/F ratio on the fly to get better gas mileage while monitoring my wide-band. Yes, the real-time tuning capabilities are time savers for sure, but in my case, they were also life savers...I didn't have to kill my car, LOL!
I give the Roadrunner a 10 on a scale of 1 to 10!

Since I already own EFIlive I have several questions about their version. Do I PM a sponsor or can I post here?




