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With ZERO tuning the LS7 Monte SS rocks the dyno rollers with 487/470 RWHP/RWTQ!

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Old 04-15-2006, 06:21 PM
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Talking With ZERO tuning the LS7 Monte SS rocks the dyno rollers with 487/470 RWHP/RWTQ!
I made three "break-in" runs on the chassis dyno this morning to ensure that the rings are fully seated even though I know the motor is run at GM for 20 minutes when first assembled.

The results were awesome considering that I have no ability to tune the motor yet since I am still working with HP Tuners on cracking the LS7 PCM for swap applications.

What is really phenomenal here is that unlike the production LS7 Z06 motors, I am running an 85MM LS6 screened MAF which has to be restricting the intake on a motor of this size since I have a 90mm TB. Couple that we a rich 12.6 A/F and no ability to tweak the timing and you know 500+ RWHP is just waiting for me Once the HPT software is working for my application I plan to go to speed density tuning and get rid of the MAF entirely.

Just as a point of clarification for those that will ask:
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After some fine-tuning it will be time to take it to the track!
Attached Thumbnails With ZERO tuning the LS7 Monte SS rocks the dyno rollers with 487/470 RWHP/RWTQ!-ls7dyno1.gif  
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Old 04-15-2006, 06:25 PM
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SICK!!
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Old 04-15-2006, 07:13 PM
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Congrats John on getting that running! Sweet numbers too!






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Old 04-15-2006, 07:13 PM
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Dayum! Nice numbers and kudos for being so patient with the setup.
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Old 04-15-2006, 07:17 PM
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thats awesome on a whole nother level!

do you have any plans for internal work with your LS7? why stop at "just" 487 rwhp?
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Old 04-15-2006, 07:19 PM
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Very Nice when people hear it they prob think 305ho and then 4th gear burnies chirpin 5th
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Old 04-15-2006, 07:26 PM
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nice john
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Old 04-15-2006, 08:04 PM
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Look at the A/F ratio in this Katech video.
https://ls1tech.com/forums/generation-iv-internal-engine/488404-katech-street-attack-ls7-640hp-555-lb-ft-dyno-video-screaming-7140rpm.html
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Old 04-15-2006, 08:05 PM
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What a phenomenal car.

Congrats.
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Old 04-15-2006, 08:07 PM
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Wow-o-wow... ...nice.
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Old 04-15-2006, 08:15 PM
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Very

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Old 04-15-2006, 08:25 PM
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Awesome!

May want to get a set of slicks before the track... Just say'n...
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Old 04-15-2006, 08:26 PM
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Props Bro!!! I have been following your project for a year or more and glad to see everything coming together!!!!!!! NICE PRELIM NUMBERS FOR SURE!
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Old 04-15-2006, 10:53 PM
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Very nice, John. I am starting to think that everything you touch turns to gold. 500Hp should be no problem once you get the tune.
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Old 04-15-2006, 10:54 PM
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Oh, yeah, I want another ride.
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Old 04-15-2006, 11:03 PM
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Awesome. has to feel great being a pioneer.
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Old 04-15-2006, 11:29 PM
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Congrats on some good numbers. Looks like more are just waiting to be found.
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Old 04-16-2006, 12:15 AM
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im speechless.......
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Old 04-16-2006, 12:32 AM
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487/470 Rwhp/rwtq
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Old 04-16-2006, 12:38 PM
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Awesome man. That's absolutly amazing. Now the real fun begins.
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