View Poll Results: 346-434 LSx's
346-396 LSx's
31
38.27%
402-and up LSx's
50
61.73%
Voters: 81. You may not vote on this poll
Big vs. Small
Originally Posted by NemesisC5
My basic understanding of the torque/horsepower relationship is that torque is the force that accelerates and horsepower is the force that maintains the 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
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.
Originally Posted by Beaflag VonRathburg
Uhhh Yes. Ever read about the engine master's challenge? Long stroke small bore engines pretty much dominate that competition.
I am sure several know this but:
Horsepower is nothing more than a mathematical representation or torque vs. RPM. Horsepower is the measure of work a horse can do. 1 Horsepower = 33,000 foot lbs per minute of work. The formula is (Torque * RPM) / 5252.
Depending on weight and gearing, yes a diesel truck can smoke your A$$ at the track. You give me the right gearing, a 1500rwtq diesel engine, and 2800 lbs with driver and I'll show you. I'll cross the 1/4 in 10 seconds at a blazing 2900 RPM,
I don’t think a 346, with the same weight, same gears, etc, making 502rwhp and 392rwtq is going to keep up with me – it will make a lot of noise because to make that kind of HP with that low of torque, he has to be twisting that motor to 7 grand.
Think about this. My buddy’s ’04 Stang makes 550rwhp and 590 rwtq – yet I manage to stay right beside him on the highway. Why? Looking at his curve, you see torque building as a function of RPM/Boost, whereas my torque curve is flat’ish across the band. My more efficient 461 torque curve is keeping me there – against his massive “peek” torque of 590. And I smile all the way to the bank!
Horsepower is nothing more than a mathematical representation or torque vs. RPM. Horsepower is the measure of work a horse can do. 1 Horsepower = 33,000 foot lbs per minute of work. The formula is (Torque * RPM) / 5252.
Depending on weight and gearing, yes a diesel truck can smoke your A$$ at the track. You give me the right gearing, a 1500rwtq diesel engine, and 2800 lbs with driver and I'll show you. I'll cross the 1/4 in 10 seconds at a blazing 2900 RPM,
I don’t think a 346, with the same weight, same gears, etc, making 502rwhp and 392rwtq is going to keep up with me – it will make a lot of noise because to make that kind of HP with that low of torque, he has to be twisting that motor to 7 grand.
Think about this. My buddy’s ’04 Stang makes 550rwhp and 590 rwtq – yet I manage to stay right beside him on the highway. Why? Looking at his curve, you see torque building as a function of RPM/Boost, whereas my torque curve is flat’ish across the band. My more efficient 461 torque curve is keeping me there – against his massive “peek” torque of 590. And I smile all the way to the bank!
Last edited by 5ltrBetr; Jul 3, 2007 at 03:20 PM.
Originally Posted by Benjamin Russick
True, but they are scored across a RPM range (which IIRC, ends at 6800RPM), so that negates the use of a short-stroke screamer...
Originally Posted by Beaflag VonRathburg
Isn't that what most of us should be concerned about anyways.... Area under the curve, not peak numbers.
TECH Resident
Joined: Jan 2007
Posts: 751
Likes: 0
From: Texas
Originally Posted by Patrick G
That is not the correct definition, basic or not. Torque is the measure of force on the crank, but if there is no movement, there is no work accomplished. HP is the measure of work. If there is movement, there is work, if there is work, you have hp. The more hp, the better.
Sounds good to me, I stand corrected
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