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Blower Supercharger Drive
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 Blower Drive Guard Steel BBC Supercharger 671 871 1071 boat marine big block  US $250.00
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An important fact regarding nutrition and metabolism is that your body has a "starvation mode" or "famine mode".  When your body isn't getting the calories (which is simply translated into energy) it needs to properly function, it goes into starvation mode. The reason why the human body has a starvation mode is because it evolved around the time when food was scarce, which resulted in the development of starvation mode as a defense mechanism during a famine.Â
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When your metabolism is running at its full potential, it is drawing its energy from stored fat and incoming calories. But when your metabolism is in starvation mode, it conserves stored fat and incoming calories, and instead begins to convert muscle tissue into energy. Muscles are very "high-maintenance"; they require a great deal of calories to function. For this reason, when your body is in starvation mode and trying to conserve your body's use of calories, your body begins to draw its energy from your muscles through the breakdown of muscle tissue.Â
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Why is this important? Most weight loss meal plans call for a very restrictive diet with a calorie deficit that may send your body into starvation mode. When you participate in such a meal plan, not only will you be left feeling hungry, but you won't lose weight; what you will lose is your muscle.Â
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How can you avoid leading your body into starvation mode? By calculating your Basal Metabolic Rate. Your Basal Metabolic Rate, otherwise known as your BMR, is just another fancy way of describing the rate at which your body burns calories while at rest.
Calculating Your Body's Basal Metabolic Rate
You can calculate your BMR in one of two ways: the easy way (online calculator) or the hard way (long hand). I'll provide the information for both!
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For the easy way, visit Fitwatch.com. Follow the instructions and enter in all the information that is asked for.Â
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To figure out your BMR in longhand, follow this formula:Â
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English BMR Formula
Women: BMR = 655 + ( 4.35 x weight in pounds ) + ( 4.7 x height in inches ) - ( 4.7 x age in years )
Men: BMR = 66 + ( 6.23 x weight in pounds ) + ( 12.7 x height in inches ) - ( 6.8 x age in year )
Metric BMR Formula
Women: BMR = 655 + ( 9.6 x weight in kilos ) + ( 1.8 x height in cm ) - ( 4.7 x age in years )
Men: BMR = 66 + ( 13.7 x weight in kilos ) + ( 5 x height in cm ) - ( 6.8 x age in years )
Then you need to figure in the amount of calories you burn during physical activity:
- If you are sedentary (little or no exercise): Calorie-Calculation = BMR x 1.2
- If you are lightly active (light exercise/sports 1-3 days/week): Calorie-Calculation = BMR x 1.375
- If you are moderately active (moderate exercise/sports 3-5 days/week): Calorie-Calculation = BMR x 1.55
- If you are very active (hard exercise/sports 6-7 days a week): Calorie-Calculation = BMR x 1.725
- If you are extra active (very hard exercise/sports & physical job or 2x training): Calorie-Calculation = BMR x 1.9
The resulting number is your personal Basal Metabolic Rate.
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A Calorie Deficit That Helps You Lose Weight
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In order to determine a safe calorie deficit that will not wreck your metabolism, you need to reduce your BMR by 500-1000. Never reduce your daily caloric needs beyond 1000 calories; doing so will send your body into starvation mode.
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Reducing your daily caloric needs by 500 calories will result in a one-pound-a-week weight loss. If you reduce 1000 calories, you will lose two pounds a week. If you have had trouble in the past with reducing your daily calories by 1000; start at 500. One pound a week in weight loss is much better than no weight loss; or worse, weight gain.   Â
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Signs of Slow Metabolism
An early indicator of slow, or slowing, metabolism is a sudden temperature drop; especially if you are a hot-natured person. If you find that you are getting the chills in an environment that usually wouldn't induce the chills, most likely your metabolism is slow or slowing.Â
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Other symptoms of slow metabolism are easy weight gain and difficult weight loss. With your body running in starvation mode, it is not burning any of your stored fat, nor is burning incoming calories.Â
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More signs of slow metabolism include: fatigue, migraines and headaches, irritability, poor memory and focus, fluid retention, low sex drive, dry skin and hair, unhealthy nails, and acne.
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How To Improve Your Metabolism
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Eat more frequently and stop skipping meals, especially breakfast. The very reason why your metabolism is in its current condition is because it isn't getting the proper nutrition.   Breakfast is an essential meal because it is the first after a long period of sleep. The longer you prolong your first meal, the quicker your body will revert to starvation mode. Also make sure to space your other meals and snacks 2-4 hours apart. This will allow your body an ample fuel supply that will keep your metabolism running in high gear.
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Start getting some regular exercise. Exercise helps to burn fat and gain lean muscle. Remember that muscle tissue uses many more calories than fat tissue. Cardiovascular exercises give you the benefit of burning calories for 4-8 hours after the exercise had been completed!  Strength training helps your metabolism in that it builds your lean muscle mass while burning fat. For a supercharged metabolism, do a combination of cardio and strength training. Your body will become a fat burning machine even while it is at rest!
Whatever condition your current metabolism is in; you can alter it for the better. It just takes a few "tweaks"!
Are you tired of struggling with your weight? Sign up for a FREE Weight Loss Strategy Session with Michelle today!
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Supercharger FAQ
Why has supercharging become so popular?
There are a number of reasons. First, an efficient supercharger system can produce yesterday's musclecar performance using today's low-octane gasoline, with exceptional reliability and minimal impact upon fuel economy. Second, superchargers have developed to the point that they are easy to install and simple to maintain, especially when compared to pulling, rebuilding and fine-tuning an engine. Finally, unlike nitrous oxide, which requires frequent repurchase of fuel, once a supercharger is installed there is no more expense or hassle associated with performance. In short, supercharging delivers exceptional performance with little of the hassles traditionally associated with high performance. Centrifugal supercharging is the only way to make a reliable 500, 600, 700+ horsepower on otherwise stock, daily driven V-8's.
How does supercharging increase engine performance?
Superchargers achieve performance gains by increasing the density of the air/fuel charge within the combustion chambers of an engine. This increase in density is achieved by forcing additional amounts of air (beyond the amount of air that normal atmospheric pressure would force into the engine) at the lowest temperature possible. CFM measures the volume of air that an engine is flowing, while MAF (mass air flow) also factors in the temperature of the air charge, since a cooler charge is more dense and therefore more powerful. So in more technical terms, supercharging increases both the volumetric efficiency of the engine and the mass air flow through the engine to produce gains in both horsepower and torque.
How much horsepower will a supercharger add to my engine?
Although some manufacturers claim a specific horsepower increase, superchargers actually add horsepower as a percentage gain (percentage of an atmosphere). Assuming an engine with a compression ratio of around 9:1 running pump gas,if a supercharger gives your engine 14.7 psi of boost (another atmosphere) that will essentially double the output of your engine, everything else being equal. After adjusting for thermal and mechanical energy transfer, if an efficient centrifugal supercharger is generating 7.5 psi (approx. 1/2 an atmosphere), you will see around a 35-40% gain in horsepower and torque at your non-supercharged maximum horsepower rpm. If detonation forces you to use an ignition/timing retard system, you will of course see less of a gain because backing off several degrees of timing will greatly reduce an engine's power output. At higher boost levels, the heat generated by compressing air will produce diminishing returns as the boost is increased, although the use of intercooling or racing fuel can avoid this scenario of diminishing returns. Assuming the use of intercooling to run higher boost levels while maintaining reliability, a 100% increase can generally be achieved at around 17 psi on an engine with 9:1 compression running pump gas.
What type of fuel do I need with a supercharged automotive or truck engine?
The primary issues that determine the type of fuel needed are whether the engine is fuel-injected or carbureted, the compression ratio of the engine, and whether or not the supercharger system is intercooled.
For Intercooled ProCharger EFI/TPI applications with compression ratios less than 9.5:1, boost levels of 14-17 psi can be safely run with full timing on pump gas, and will produce horsepower gains of 75-100% (depending upon the boost level and the motor specifications). For 9.5:1 EFI/TPI applications running without an intercooler, boost levels above 5 psi will require the use of ignition/timing retard on pump gas, and will produce horsepower gains of 35-45%. Boost levels above 12 psi should generally be avoided even with racing fuel on a 9.5:1 motor. Of course, lower compression motors will be able to run more boost, and higher compression motors should run less boost, everything else being equal.
For carbureted motors, the rules are slightly different. Carburetors deliver the vast majority of fuel in a liquid state, and as this raw fuel atomizes from liquid to gas, a chemical state change actually occurs. Due to this endothermic reaction, which draws heat and cools the incoming air, a carbureted motor can safely handle more boost than a comparable EFI/TPI motor. For carbureted engines with compression ratios of 9:1 or less and boost levels in the 8-14 psi range, pump gasoline works very well. Compression ratios of 10:1 and higher require lower boost levels, higher octane fuel, intercooling, or some combination of the above. Compression ratios in the 7or 8:1 range can usually handle 12-20 psi on pump gasoline.
What is detonation, and how can it be controlled?
Detonation, or engine knock, occurs simply when fuel pre-ignites before the piston reaches scheduled spark ignition. This means that a powerful explosion is trying to expand a cylinder chamber that is shrinking in size, attempting to reverse the direction of the piston and the engine. When detonation occurs, the internal pneumatic forces can actually exceed 10x the normal forces acting upon a properly operating high performance engine. Detonation is generally caused by excessive heat, excessive cylinder pressure, improper ignition timing, inadequate fuel octane or a combination of these. Of the previous, excessive heat is usually the culprit. As an engine is modified to generate more power, additional heat is produced. Today's pump gas will only tolerate a finite amount of heat before it pre-ignites and causes detonation. Although forced induction engines usually produce far less heat than comparable naturally aspirated high compression engines, the cylinder temperatures in intercooled engines are radically cooler yet. It is rarely boost that causes detonation, just unnecessary heat. An intercooler is such a natural solution for forced induction, that in almost every sophisticated application, intercooling is part of the package.
For engines that are experiencing detonation problems, the primary options are the use of ignition/timing retard systems, higher octane fuel, or intercooling. While ignition retard systems can be helpful in certain situations, they can also greatly reduce the horsepower output of an engine, as any reduction in timing will reduce horsepower. And while a reduction in timing can save a motor from detonation, the excessive heat which was causing the detonation is still present. Intercooling, on the other hand, actually removes the heat which causes detonation, and allows higher boost levels to be safely run with full timing on pump gas. This produces the maximum benefit in terms of both horsepower gains and engine protection, without any additional maintenance or hassle.
How will a supercharger affect my fuel economy?
Although roots superchargers have significant parasitic load and do dramatically decrease fuel economy, centrifugal superchargers will yield approximately the same fuel economy as normally aspirated engines, under normal throttle conditions. When racing, however, fuel enconomy will decrease given the supercharged engine's ability to consume additional fuel and produce additional horsepower.
Will a supercharger shorten the life of my engine or drivetrain?
That is a very subjective question, as the manner in which an automobile is driven directly affects engine life. Assuming a properly tuned system, proper oil change and engine maintenance, and similar driving, supercharging generally will not shorten the life of an engine, just as is the case with OEM turbocharging (with proper cooldown for turbochargers. A cooldown period after driving is not necessary with supercharging). This is especially true of centrifugal supercharging, which generates boost in line with engine rpm, unlike roots and twin screw blowers, whose low rpm boost can place additional strain on the engine and drive train.
Superchargers can be used with automatic or manual transmissions and will not increase transmission wear under normal driving. When racing, however, the additional torque provided by supercharging will place additional load on the transmission, especially when increased traction is present, such as with slicks. This impact is minimized when the boost increases with engine rpm, as is the case with centrifugal supercharging and turbocharging.
What is the difference between Supercharging and Turbocharging?
A supercharger is a mechanically driven air pump that is connected directly to the engine crankshaft via the serpentine belt. A turbocharger is driven by the flow of exhaust gas which is generated as part of the engine combustion cycle.
Why choose Supercharging over Turbocharging?
Because turbochargers depend on the energy in the exhaust gas stream to spool up and generate boost pressure, there is often a delay in the response of the engine at lower engine speeds where exhaust energy is lower. This delay is often referred to as “Turbo Lag”. On the other hand, a supercharger is directly driven by the crankshaft of the engine, and there is no delay in engine response at lower engine speeds. This allows supercharged engines to have instant throttle response and better vehicle driveability.
If more air is pumped into the engine, then more fuel must be used also…Doesn’t this mean less fuel economy?
If a supercharged 3.8L V6 is compared to a naturally aspirated 3.8L V6, the supercharged V6 does use slightly more fuel. However, the power and performance of the supercharged V6 is comparable to a larger V8 which uses much more fuel to achieve the same performance.
Does the Supercharger provide boost at all times?
No. Under cruising conditions, the compressed air from the supercharger is bypassed, and is recirculated in the supercharger, improving fuel efficiency. Under acceleration, the bypass is closed, and the “boosted” air is sent into the engine to provide increased response and power.
How reliable are supercharged engines?
General Motors has been offering a supercharged version of the 3800 V6 engine since 1991. The Supercharged 3800 Series II engine has one of the best warranty ratings amongst all of General Motors powertrain offerings. Along with GM, other automakers like Jaguar, Mercedes-Benz, Nissan, BMW-Mini, and Ford all have used superchargers as an effective and reliable alternative to larger, less fuel efficient powertrains on various cars and trucks.
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Blower pressure question?
About how much psi can you run using a Weiand 8-71 supercharger? I was reading in Hot Rod about that Mustang Tim Lynch drives, with the Precision Turbo GT5591 turbochargers running 40 psi each, and I found a place to buy them. I also found a centrifugal supercharger from Vortech making 32 psi. I know that the Weiand blowers don't make this much stock, but how much could I make by overdriving it (using an already 2500+ engine)?
And about 597 CID or higher.
Well I'm talking about an all-iron & steel engine here, with double or triple the original amount of bolts for any part you could think of. Of course using all forged steel gaskets and forged steel bolts that fit as tightly as I can get them to, so the parts will stay on. water injection & 100+ octane fuel. As for the horsepower I want, I'm thinking around 4000+ horsepower.
First off, a 8-71 is really only good on a 500 cubic inch or bigger engine. Anything smaller would be useless, and would work better with a 6-71.
You can get as much as 600 plus hp increase if done correctly. If you know how to do it.
As far as appropiate pis would be determined on how much horsepower you are attempting to produce as WELL as if the bottom end can hold whatever psi pressure you are putting to it.
The pulley sizes is what determines the psi/horsepower increase or decrease.
Ideally, it's about math, configuring what you want and what you need.
http://www.holley.com/data/Products/Technical/199R10244-1.pdf
That may help.
Added: Thank you for the additional information, they also make blocks in iron to accommodate that cubic inch, it doesn't have to be aluminum.
4000 horsepower is possible. A dual procharger may be your best choice for that horsepower.
But as I ask all my customers, how much are you willing to spend. That way you can see what there is to work with because 9 times out of 10, their goal does not fit their pocket book.
Oh and another thing, your 100+ octane is non realistic with 4,000 hp. Go ahead and plan on nitro methane or alcohol
Worth the wait: Callaway adds a new suspension to its Camaro line:
and#8220;We weren't first to the party. We took our time, spent about a year getting where we are instead of rushing,and#8221; said Pete Callaway of the mighty Camaros that the company recently started offering.
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