Powerful Sound with No Drone! Bolting On Ford Racing’s FR500 Mufflers For ’05-’09 Mustang GT and GT500
[portfolio_slideshow id=34375] There’s a common checklist of parts and upgrades that every late model Mustang enthusiast wants to get for their car, and right at the top is almost always a good set of mufflers. That’s not to say that Mustangs don’t sound good from the factory. Quite the contrary, they always get positive reviews
Spring Fling: Improving Articulation and Ride Comfort with Higher Quality Leaf Springs
[portfolio_slideshow id=34358] Leaf springs have been used since the days of horse drawn carriages, and are still found on the back of new pickup trucks today for one simple reason: they work! Leaf springs locate the axle fore and aft and side to side, hold up the chassis, and provide excellent load-carrying capabilities. That doesn’t
Mailbag: How to Read Your Vehicle’s Smoke Signals
A.P. Baltimore, MD Q: After I swapped carburetors on my 307 Chevy, I noticed blue smoke coming out of my car’s tailpipes when I accelerate. I always thought too much gas caused blue smoke, and white smoke was oil or transmission fluid burning. Am I correct and can you tell me what’s causing the blue smoke? A:
Ask Away with Jeff Smith: A Basic Guide to Ignition Advance
I hate to admit that I’ve been working on cars for more years that I care to admit and yet I still don’t understand all the different things about ignition advance. Every time I ask my friends who say they know all about that – I get a different answer. Can you make it simple
Shot Peening, Magnafluxing, and More: 7 Automotive Aftermarket Mysteries Explained!
Furnace brazed. Induction hardened. Shot peened. These are phrases you’ll find throughout your Summit Racing catalog. They are often included as beneficial selling points on parts—in most cases, critical engine and vehicle performance parts. But do you know what these phrases mean? And more importantly, do you know what they mean to the performance of
Quick Tech: How to Use a Leakdown Tester
Using a leakdown tester is one of the best ways to assess the health of your engine. Easy to use, a leakdown tester measures how much cylinder pressure is escaping from your cylinders, showing how efficiently your piston rings and valves are sealing the combustion chamber, along with your head gasket. With street engines, ten to twenty
Mailbag: Engine Prep Tips for Nitrous Oxide
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re providing some basic nitrous system guidelines. J.H. Huntsville, TX Q: My 1998 3.8L Camaro is pretty fast, but not fast enough! I’ve already added a high lift cam, pistons, and new injectors, plus I plan on getting some cylinder heads
Trailer Upgrades: Raising Bumpers, Installing New Shocks and Electrical Components
[portfolio_slideshow id=34060] An off-road New Mexico vacation in a camping trailer designed for Jeep and Chevrolet S10 pickups provided the evidence: the trailer desperately needed more stability on the rough terrain and truck’s rear bumper needed raised. The trailer needed shocks and more height. The curved design of the original bumper would sometimes dig into
Clutch Performer: Installing a RAM Clutch in a Drag Race Mustang Mach I
In the early spring of 2003, Gary Winter went to his local dealership to buy a pickup truck. On his way to the sales office to complete the truck transaction, he was so taken by the lines of a brand new 4.6L-powered Mustang Mach I that he forgot all about the truck. Eleven years later,
Magic Show: How to Install a Flex-A-Lite Black Magic Electric Fan
[portfolio_slideshow id=33903] Sometimes broken and worn out parts can be a blessing, because they give you an excuse to upgrade! That was the situation we were in recently when the fan clutch went out on the 4.7L V8 in our Dodge Dakota. The factory mechanical fan uses a clutch unit that locks up to cool




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