Drag Racing Cylinder Head Duluth MN

Looking for Drag Racing Cylinder Head in Duluth? We have compiled a list of businesses and services around Duluth that should help you with your search. We hope this page helps you find Drag Racing Cylinder Head in Duluth.

Johnson Frame & Axle
(218) 461-9989
2319 W 1st St
Duluth, MN
Hours
Monday 8:00 AM - 4:30 PM
Tuesday 8:00 AM - 4:30 PM
Wednesday 8:00 AM - 4:30 PM
Thursday 8:00 AM - 4:30 PM
Friday 8:00 AM - 4:30 PM
Saturday Closed
Sunday Closed
Services
Alignments, Body Shops
Service Types and Repair
Auto Frame, Collision, Suspension

Duluth Tire
(218) 727-5686
2802 W Superior Street
Duluth, MN
Services
Auto Service & Repair, Auto Tire Shop Equipment & Supplies, Auto Alignment Frames & Axles Service & Repair, Wheels & Tires Service & Repair
Products
Cooper, Wheels, Accessories, Custom Wheels, Custom Wheels & Accessories,

Duluth Muffler Clinic
(218) 722-0321
323 E Central Entrance
Duluth, MN
Services
Auto Service & Repair, Brakes Service & Repair, Mufflers & Exhaust Systems Service & Repair, Shock Absorbers & Struts
Products
Brakes, Mufflers, Shocks, Struts, Custom Dual Exhaust, Shocks & Struts,

Hansen's Auto Service of Duluth, Inc.
(218) 723-8236, 001-2004
3802 Trinity Road
Duluth, MN
Certifications
Blue Seal Certified
Membership Organizations
National Institute for Automotive Service Excellence (ASE)

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Driveline Specialists
(218) 721-3917
6148 Howard Gnesen Road
Duluth, MN
Services
Auto Service & Repair, Brakes Service & Repair, Auto Parts Retail, Auto Alignment Frames & Axles Service & Repair
Products
Differentials, Bearings, Drive Shafts, 4X4 Parts

Stumpy's Transmission & Repair
(218) 262-9984
4923 Eagle Lake Rd
Duluth, MN
Hours
Monday 8:00 AM - 4:30 PM
Tuesday 8:00 AM - 4:30 PM
Wednesday 8:00 AM - 4:30 PM
Thursday 8:00 AM - 4:30 PM
Friday 8:00 AM - 4:30 PM
Saturday Closed
Sunday Closed
Services
Air Conditioning/Heating, Alignment, Alternator, Battery, Belts & Hoses, Catalytic Converter, Clutch Cylinder, Cooling System, Diagnostics, Drive Belt, Electrical System, Exhaust Systems, Filters & Fluids, Fuel Injector, Fuel Pump, Fuel System, Head Gasket, Headlight/Headlamp, High Performance Service, Ignition, Inspection, Muffler, Oil Pan, Oil Pump, Oxygen Sensor, Parts, Radiator, Restoration Service, Shocks & Struts, Spark Plugs, Starter, Thermostat, Timing Belt, Tune-Up, Water Pump, Window M
Service Types and Repair
Acura, Aston Martin, Audi, Auto Clutch, Auto Drivetrain, Auto Engine, Auto Interior, Auto, Bentley, BMW, Buick, Cadillac, Chevrolet, Chrysler, Classic Car, Diesel Engine, Dodge, Emergency Auto, Exotic Car, Fiat, Ford, GMC, Harley Davidson, Honda, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Lotus, Mazda, Mercedes Benz, Mitsubishi, Motorcycle/ATV, Nissan, Oldsmobile, Pontiac, Porsche, RV/Bus, Saab, Saturn, Small Engine, Subaru, Suzuki, Toyota, Truck, Volkswagen, Volvo

Duluth Auto Parts & Machine
(218) 722-2688
2022 W 1st Street
Duluth, MN
Services
Auto Service & Repair, Auto Parts Retail, Used Cars, Auto Machine Shop Services, Industrial Equipment & Supplies Dealers
Products
Automatic Transmission Parts, Engine Parts & Complete

Aamco Transmissions
(218) 722-2846
1732 Mall Drive
Duluth, MN
Services
Auto Service & Repair, Brakes Service & Repair, Limousines Service & Repair, Auto Transmissions, Towing
Hours
7 Days A Week Daily Everyday
Payment Options
Debit Cards, American Express, Checks, MasterCard, Discover, Cash, Telecheck,

Auto Know Inc-K J Auto Service
(218) 728-4429
4002 Woodland Avenue
Duluth, MN
Services
Auto Service & Repair, Brakes Service & Repair, Towing
Hours
Mon-Fri Weekdays

Cloquet Muffler Clinic
(218) 879-3591
1106 1%2F2 Prospect Avenue West
Cloquet, MN
Services
Auto Service & Repair, Auto Oil & Lube, Brakes Service & Repair, Auto Washing & Polishing

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Drag Racing Cylinder Head Selection

Brendan Baker

When you talk about performance heads for drag racing - or any other performance application for that matter - the best heads aren't necessarily the ones with the biggest cubic feet per minute (CFM) numbers. Experts say that the key ingredient is high velocity matched with good flow. But the high flow numbers may blind your customers from seeing the whole picture, so it is up to you to explain.

Some cylinder head experts compare flow numbers to horsepower numbers on a dyno - but guess what? They're not all equal. So if you see one head with extremely high CFM numbers there are a couple of guesses what may be going on. One cylinder head expert says that the general enthusiast/racer doesn't know if the numbers are bogus, all he sees is a big number and that's what he wants.

Larger engines need larger volume ports. And today there are many aftermarket cylinder heads to choose from with larger ports. But before these heads were available, drag racers didn't have many options as to what size heads to use. Most racers would look for the biggest stock head available and adapt it to their application. Yet one of the biggest problems with using stock heads is that you're stuck with the port locations and the thickness of the casting, so you can't get too radical.

Some aftermarket heads have features such as raised runners and relocated ports to improve airflow. Today's aftermarket "as cast" cylinder heads with unmachined ports often flow better than stock heads that have been ported. And "bare" aftermarket heads are available to allow CNC porting to create almost any shape port you want.

Cylinder head specialist Darin Morgan says that with all the aftermarket heads available choosing a cylinder head today is a difficult task. Unfortunately, a bad choice can cost thousands of dollars in wasted time, says Morgan, and a bad head choice may go unnoticed without ever showcasing how good your engine could have been.

So with all the heads on the market, how do you make the right choice? Morgan says it's a complex issue with no simple answer.

"I wish I could lay out some quick and easy mathematical equations or some simple guidelines to help, but there simply aren't any," says Morgan. "It's a complex issue, which is why so many people have trouble. The best way to grasp what's most important is to use what I consider the five most important variables used to tune the induction system:

Average velocity;

Individual instantaneous velocities;

Shape/design (maximize a homogeneous velocity profile over the entire port and at the same time promote efficient flow);

Rate of velocity change; and

Airflow. Morgan says that if you follow his five variables you'll soon find the most important rules of designing an induction system are: Velocity, Velocity, Shape, Velocity and, finally, Airflow.

We then talked to Curtis Boggs at Race Flow Development (RFD), who says his company takes a bare casting and comes up with its o...

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