2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
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From: Round Rock,TX
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
I feel as though this thread has made me dumber after reading it....some around here really have not a clue about making hp
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From: Lexington Kentucky
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
WOW , !!!!! HMMMMMMM , there more then a few in here that know a lot about hp , just keep reading Grass Hopper , it will come to you LOL
SSB SRT6 405hp/401Tq
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From: Hooterville
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
Power & Torque 101 : Power and Torque: Understanding the Relationship Between the Two, by EPI Inc.
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From: Orlando
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
Pretty good but one way to think about it is the HP has meaning as a function of torque and rpm but does not mean much by itself. OTOH if you want a car to be the fastest it can then you have to consider the area under the torque curve in each gear and the best place to shift is where the "tractive effort" (combination of torque and gearing) crosses the line of the next gear. Of course if you have a rev limiter then that has to be taken into account as well.
Once you have a good handle on the broad torque curve of the Crossfire engine then you can really see how badly chosen the manual trans gear ratios were (looks like selected for about a 2 liter turbo engine than makes little power under 3500 rpm and not one has a virtually flat torque curve (85% of peak from 2000 to 6000 rpm a really neat trick without VVT).
Having seen it mentioned both ways I wonder if someone can answer the question: is the crank a conventional 90 degree (aka odd fire) or does it have offset journals for a 60 degree firing order (even fire) ? YWTK. (odd fire would explain the benefit from such large throttle bodies).
Once you have a good handle on the broad torque curve of the Crossfire engine then you can really see how badly chosen the manual trans gear ratios were (looks like selected for about a 2 liter turbo engine than makes little power under 3500 rpm and not one has a virtually flat torque curve (85% of peak from 2000 to 6000 rpm a really neat trick without VVT).
Having seen it mentioned both ways I wonder if someone can answer the question: is the crank a conventional 90 degree (aka odd fire) or does it have offset journals for a 60 degree firing order (even fire) ? YWTK. (odd fire would explain the benefit from such large throttle bodies).
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Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
This was the least insightful or technical post in this thread.
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From: Long Island, NY
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
Pulling the Covers off of the 2015 Corvette Z06 and C7.R
Alrights guys. Intervention talk. Chevrolet is somehow pumping 625 HP out of a 1.7 liter Eaton TVS supercharger on the 2015 Z06.
I think we can do better than the 400-some-odd HP most of us are getting out of the 1.6 liter twin-screw supercharger in the SRT6/AMG cars. Time to step it up.
I dyno'd 360 RWHP (~430 crank HP by my reckoning). So I'm in the same boat.
Last edited by downwardspiral; Jan 26, 2014 at 06:06 PM. Reason: Easy for a blown 5.5, even easier for a 6.2
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From: Orlando
Re: 2015 Corvette Z06: Only a 1.7 liter TVS Supercharger!
Why I am more concerned with torque curves. HP ratings are magical numbers wielded mainly by marketeers.
You have SAE Gross, Net, KW, CV (steam horses), DIN and a slew of others.
I have seen the exact same engine billed with three different HP ranging from 345 to 370 depending on the car line, 500+ hp engines billed at "430hp" next to a street engine billed at 435. Z-28s (original) pull 440 on a dyno but marketed at 290 because the SS-350 was 295.
Also have seen the reverse (suspect the operator had his thumb on the scale when a 390 F*rd hit 300hp).
So HP ratings are for the sans coulottes and to aid salesmen. Torque is what makes you go fast.
You have SAE Gross, Net, KW, CV (steam horses), DIN and a slew of others.
I have seen the exact same engine billed with three different HP ranging from 345 to 370 depending on the car line, 500+ hp engines billed at "430hp" next to a street engine billed at 435. Z-28s (original) pull 440 on a dyno but marketed at 290 because the SS-350 was 295.
Also have seen the reverse (suspect the operator had his thumb on the scale when a 390 F*rd hit 300hp).
So HP ratings are for the sans coulottes and to aid salesmen. Torque is what makes you go fast.
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