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Old 12-16-2013, 08:09 PM
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Originally Posted by It'llrun
Originally Posted by "MAC"
Question if DOHC is so great why not use them in top fuel dragsters? Is ot because of the rules?
Yup.Thanks to "The McGee Quad Cam" (2nd iteration) and perhaps a couple others running so strongly, companies like General Motors, along with some engine builders and even race teams lobbied against them altogether or at least to handicap them and, in 1997, NHRA outlawed DOHC engines and made a rule change requiring no more than 1 camshaft per engine and no more than 2 valves per cylinder...
Lol wtf so in theory top fuel dragsters could really see as fast as say low 3 maybe high 2 second rang if DOHC was allowed? I ask that bc we all know what top fuel dragster are doing now n if DOHC engines can make mpre.power id assume they would be faster....
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Old 12-16-2013, 08:24 PM
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They don't need to be any faster. ETs have gotten quicker in the past 10 years or so, but trap speeds really haven't...kinda like NASCAR. They are already going as fast as the tracks/safety concerns will allow them to.
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Old 12-16-2013, 08:30 PM
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It's hard to say they'd have more power and even if so, that they'd be quicker or faster. It won't matter if you can make 750,000rwhp unless you can make it hook!
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Old 12-16-2013, 08:37 PM
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Originally Posted by It'llrun
It's hard to say they'd have more power and even if so, that they'd be quicker or faster. It won't matter if you can make 750,000rwhp unless you can make it hook!
Which they can't really do now anyway.
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Old 12-16-2013, 09:16 PM
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Originally Posted by Irunelevens

Which they can't really do now anyway.
True true
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Old 12-17-2013, 05:28 AM
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Originally Posted by It'llrun
Oh, that's right... Clearly I'd forgotten that FORCED INDUCTION has not been invented just yet... You're a CLOWN and we're all laughing at you...
Again, WTF are you talking about? Read my post, the one YOU quoted!

Originally Posted by It'llrun
btw, clown... I know this is old and all, and wasn't modified by tuners at the time, but think this over in that massive brain of yours... http://www.gizmag.com/go/4286/
You cite a 510hp Mercedes? You're over 1000hp shy!

Originally Posted by It'llrun
The NHRA has BANNED the use of DOHC engines in its top classes, so we won't likely see them at TF power levels, but it's not that they cannot reach those levels, because they can.
I'm talking fact; **** that actually exists. Not theoretical engines.

Originally Posted by assasinator
yes you are in outer space. ve = measured flow/theoretical flow.
Great, you Googled it. Read further into those links. Still not the same as power/liter.

Originally Posted by assasinator
also a current formula one engine has massive restrictions. charge cooling, block materials, crank materials, piston shape, valve shape, etc.
So does Pro Stock.

Anymore excuses?
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Old 12-17-2013, 10:48 AM
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Originally Posted by assasinator
yes you are in outer space. ve = measured flow/theoretical flow.


also a current formula one engine has massive restrictions. charge cooling, block materials, crank materials, piston shape, valve shape, etc.
It's BMEP and if you figure the math out your wrong.

http://www.epi-eng.com/piston_engine..._cup_to_f1.htm

http://www.epi-eng.com/piston_engine..._yardstick.htm

http://www.thetruthaboutcars.com/201...han-you-think/
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Old 12-17-2013, 10:55 AM
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Top fuel dragsters are held back by fuel percentage rules and safety equipment.
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Old 12-18-2013, 02:56 AM
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Gonna be a badass car either way, and besides, by the year2038 when I can afford to buy one, won't matter much lol
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Old 12-18-2013, 07:19 AM
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Originally Posted by Marc 85Z28

Anymore excuses?

it wasnt an excuse. formula one has the same VE. not less.



you cite one measure. every other measure, a pro stock falls short.
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Old 12-18-2013, 05:51 PM
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Originally Posted by assasinator
it wasnt an excuse. formula one has the same VE. not less.



you cite one measure. every other measure, a pro stock falls short.
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Old 12-19-2013, 03:03 PM
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Originally Posted by Irunelevens
They don't need to be any faster. ETs have gotten quicker in the past 10 years or so, but trap speeds really haven't...kinda like NASCAR. They are already going as fast as the tracks/safety concerns will allow them to.
youre comparing an endurance engine in sprint cup (which has increased in power; theyre closing on 1000hp) to a 1 time use engine.
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Old 12-19-2013, 03:06 PM
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I'm not comparing engines at all. I'm saying that tracks don't really allow any cars to go "faster."
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Old 12-20-2013, 09:59 PM
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WTF has this thread turned into?
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Old 12-20-2013, 10:13 PM
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Originally Posted by LEO
WTF has this thread turned into?
the typical ford vs GM lol jk idk either
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Old 12-29-2013, 02:56 PM
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Default C7 zo6
Man I want one , Now I'm really motivated to keep playin the Lottery!
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Old 01-03-2014, 12:52 PM
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Originally Posted by assasinator
it wasnt an excuse. formula one has the same VE. not less.



you cite one measure. every other measure, a pro
stock falls short.
This is a totally false statement.
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