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QUICK FUEL CARBURETOR SS 850 CFM DUAL PUMP PRO STREET for Sale


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QUICK FUEL CARBURETOR SS 850 CFM DUAL PUMP  PRO STREET

Price: $577

This item has been shown 1511 times.

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QUICK FUELDUAL PUMPMODEL SS-850CFMMECHANICAL SEC. ELECTRIC CHOKE.

Quick Fuel SS-850 Carburetor, Gasoline, Super Street, 850 cfm, 4-Barrel, Down-Leg,Electric Choke,Mechanical Secondary,Dual Inlet

Condition: New, Factory Sealed.

These Quick Fuel Super Street carburetors are designed to offer the power of a race carburetor in a streetable package that weighs 5 lbs. less than other carburetors. Manufactured completely from aluminum, they allow you to change the idle feed and offer power valve channel restrictions and idle and high-speed air bleeds for the ultimate in tunability. The solid-state, electric-choke Quick Fuel Super Street carburetors have billet throttle bodies, billet metering blocks, 4-corner idle systems, secondary jet extensions, and notched secondary floats. The vacuum secondary carburetors feature fuel bowls with a single-sight glass window, while the mechanical secondary carburetors have dual-inlet, dual-sight glass 4500-style fuel bowls, and include additional links to tune the secondary opening rate. Quick Fuel has done it--they've created an all-aluminum Super Street carburetor that's perfect for your high performance street machine.

Our line of Quick fuel carbs are customcalibratedto our specifications. Along with the help from the Quick Fuel company and our own experience, we have designed these carbs to haveexcellent streetability, yet still be suitable for the strip. Approximately 90% of our customers are building a street rod, and we wanted a setup in line with the street rod community. The street manners will be excellent with this carb. The tunability with Quick Fuel carbs is above and beyond any on the market, not to mention they are the best looking carb ever made. Aspec. sheet isincluded with every carb. If your needs are for the all out strip version, we have them listed.

The SS-850 (stock) has a 6.5 power valve. Yours willhave a 4.5 power valve, and this is muchmore sutible on the street.

Most engines that make decenthorsepower will need a lower
power valve to keep it from being open at idle, but still offer the needed
performance at wide open throttle

This sale is for theQuick FuelSS-850double pumper, mec. secondary style. The acceleration difference compared to a vac. secondary carb. is dramatic. Our company founder, as well as our company president, both agree that the double pumper carb. is the absolute best way to go. It is a somewhatmyth that vac. carbs have better street manners vs. a double pumper.Our company race car is a Pro Street 240Z with a 535hp sbc 400 engine in it, and we have always had the double pumper carb on it, and have drove this car many thousands of miles on the street, andfind it haveexcellentstreet manners.Their are no drivability issues at all.The above is dependent on many factors, but for the most part, double pumper carbs are a must an any true street rod.Another huge myth is that the double pumper carb. will consume more fuel. Where does this so called wasted fuel go. If it were wastedthen you would have a fuel mixture issue for sure and a loss of performance. If your cruising next to a car with a vac. sec. carb at the same speed, or accelerating at the same rate, then the fuel to air ratio should be the same for the most part, providing your not bogging the engineby accelerating beyondthe engines ability to increase it's rpms quickly.If thecarb were wastingfuel thenthe carb would not be doing what any carb is intended to do, and that's precisely mix fuel and air. If you are accelerating at a faster pace, then of coarse the double pumpermay consume more fuel vs. the vac. sec. carb. but you are most likely achieving your desired speed much sooner. Bottom line is their will be no measurabledrivability issues with this type of carb. compared to vac. sec. carb if your car islight to medium weight, and setup as most street rods are.The only difference you will notice is the incredible acceleration that you will never want to give up.

The only contraindication to the above would be for those running a very heavy car with stock gearing, a stock or near stockstall converter, and a stock or near stock engine. The vac. sec. carb. may be more suited, and this ismostly due to the fact that some people tend to use the throttle pedal to accelerate such vehicles beyond it's ability to increase rpm at aquickrate. They keep the carb. in a bogged down mode, rather than let the engine catch up.The double pumper carb in this case may consume slightly morefuel, but it's usually when running on a vehicle that it should have never been on, and or poor driving habits.On the flipside to the above, a light to mediumweightcar geared decently with a 400 hp or higherengine would not do well with a largevac sec. carb, due to manifoldvacuumissues, not to mention the lag that a vac. carb has.A double pumper is a must onany street rod under 3400 lbs, withdecent gearing. If your car is heavier than this, you can andcould still use the double pumper ifthe car has the horse power, and is geared decently.We do offer the vac. sec. carb also, but do not recommend it for mosttrue street rods. You would be more satisfied with a double pumper on most combos if your car is setup as a street rod should be or close to it. Rule of thumb is that the double pumper carbs are more finicky on proper size selection vs. a vac. sec. carb, and the vac. sec carb is more finicky on setting, (tuning)the carb up for the correct vehicle. If your needing advice on what Quick Fuel carb to choose, we will need to know a good bit about your car, such as engine size, or hp output, weight, gearing, man. or auto, converter stall speed, single or dual intake manifold, and what yourdoing with the vehicle.

Instant throttle response,is the only noticeable result from running a mech. sec., (double pumper) carb. Most people that do switch over to the double pumper equate this to having what feels like 50 more hp. The hp. difference between the two carbs. is actually small. Where the dp. carb prevails is that it can achieve rpm much faster if the car is not in a bogged down situation, such as being in to high of a gear under wide open throttle.

The carb. pictured above is sitting on a base to allow for clearance of the linkage while sitting on a flat surface. The red billet aluminum plate is the actual bottom of the carb.

Below are few general tips for carb. selection, but do let us help you in choosing the right size carb if your not sure of what you need. We will also be doing extensive dyno tuningwith this and a few other sizes of the Quick Fuel carbs. We are now in the process ofbuilding our Stage Four 421 sbcengine (approx hp 585), and will tryat least three different carburetor sizes.TheSS-830 will not be one of the choices for this engine as it ismost likely one size down from what will work bestfor this buildup.We will alsobe doing a383 street motor next.An important note we would like to mention. The mostoptimal carb sizefor max high end horse power may not be the best choice for a street rod that ishighly concerned with drivability, (street manners). Big carbs such as the830usually make more power on just about any engine above425 hp, but if your engine is right at425 hp or less, and your are very particular about optimal drivability, then you may want to sacrifice a bit of the top end power and go one size down on carb size. We have several sizes available, see our other listings.

Our customer support number is 423-722-5152

All things being equal, a bigger engine requires a larger carb. But for any given engine size:

• Higher rpm requires a bigger carb

• Higher horsepower requires a bigger carb

• Higher compression ratiosrequire a bigger carb

• More distributor mechanical advance mayrequire a bigger carb

• A manual-trans car can use a larger carb than an automatic-trans car

• Steeper (higher numerical, aka geared low) rearend gears tolerate a bigger carb

• Lighter cars can use a bigger carb

• Heavy cars need a smaller carb

• Too large a cam for the application could require a smaller carb

• Mild (lower numerical, aka tall) rearend gears mayrequire a smaller carb

• Low compression mayrequire a smaller carb

PAYMENT AND SHIPPING DETAILS

WE OFFER GREAT DISCOUNTS ON SHIPPING. YOUONLYPAY THE FULL SHIPPING FEEON THE HIGHEST SHIPPING COST OF YOUR ITEMS, AND HALF PRICE SHIPPING ON ALL ADDITIONAL ITEMS. FEW OFFER DISCOUNTS ON SHIPPING SUCH AS THIS.EMAIL US USING THE"ASK THE SELLER A QUESTION"TABIF YOU WOULD LIKE US TO CALCULATE YOUR SHIPPING COST ON MULTIPLE ITEM ORDERS.YOU MAY ALSO REQUESTAN INVOICE AT TIME OF CHECKOUT. IF YOU ARE UNABLETO CONTACT US BY EMAIL PLEASEGIVE US A CALL AT423-722-5152 FROM 8AM-8PM EASTERN TIME MON-FRI AND 10AM-3PM ON SAT.WE WILL ANSWER YOUR EMAILWITHIN THEONE BUSINESS DAYIN MOST CASES,SO KEEP SHOPPING AND PAY HALF PRICE SHIPPING ON ALL ADDITIONAL ITEMS. OUR CHECKOUT SYSTEM WILL AUTOMATICALLY CALCULATE YOUR SHIPPING DISCOUNT AT TIME OF PAYMENT,SO LONG ASYOU CONSOLIDATE YOUR PAYMENT.

If you checkout and start over, the auto calculator will not recognize the multiple purchases, and there will be no shipping discount. Should you decide to start purchasing again after checking out, you willneed to contact us so we can calculate your shipping for you.

IF YOU ARE HAVING DIFFICULTY PAYING WITH PAYPAL, FEEL FREE TO GIVE US A CALLAT 423-722-5152ASK FOR SARA, SABRINA,OR STACIE.SALES AND CUSTOMER SERVICEHOURS OF OPERATION ARE 8AM-8PMMON-FRI &10AM-3PM SAT EASTERN TIME ZONE

FOR TECH SUPPORT, PLEASE USE THE "ASK SELLER A QUESTION TAB". IT'S LOCATED AT THE TOP RIGHT HAND SIDE OF THIS PAGE. YOU MAY ALSO CALL FOR TECH SUPPORT IF YOUR UNABLE TO EXPLAIN WHAT YOU NEED IN AN EMAIL. TECH SUPPORT IS USUALLY NOT AVAILABLE UNTIL AROUND 11AM-7PM MON-FRI

FedEx is our primary shipper. Weare unable toship to APO/FPO addresses. Help us ship your order promptly by including your physical address at checkout.If your order MUST be shipped to a PO BOX, please contact us by phone. Additional charges may apply. Below is a map representing the estimated delivery time to get to youfrom our location.

FedEx Home Delivery delivers Tuesday - Saturday. If apackage leaves here on aThursday, and youare in a 2 day deliveryzone, your package will deliver to you on Saturday.If you are in a3 day zone, and your package leaves on aThursday, you will not receive it until Tuesday.Expedited shipping is available upon request for an additional fee. Please contact us forrates.

Hawaii and Alaska have a 6+ dayestimated delivery time.

The shipping quoted in this ad is only for the 48 continental United States. If shipping to anywhere else, please give us a call or email us for quotes. The half price shipping on all additional items also only applies to items that are being shipped in the 48 continental United States. If you have any questions, you may give Sara, Sabrina, or Stacie a call at 423-722-5152

Pay with your credit card through PayPal, orif having difficulty feel free to call us at423-722-5152 or toll free at 877-383-5152



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