Q: I have a 1981 Pontiac Firebird with a Chevy 350 in serious need of some more low-end power! It has a Holley Dominator manifold and a 750 cfm car, 305 heads, a .480”-lift cam, Hedman Hedders into a 3” Flowmaster exhaust, a Powertrax limited-slip differential with 3.73 gears, and a TH-350 tranny with 2,200-2,500
There are many questions related to adjusting tire pressure on a drag car, and it seems everyone has a different opinion. The reality is, every car will require a slightly different tire PSI regimen, but according to chassis builder Jerry Bickel, there are some basics you can use in order to reach your baseline. Bickel
There are several differences between wheel spacers and wheel adapters, and one may be better than the other for your specific vehicle. This latest video featuring Summit Racing tech adviser Carl Pritts is intended to help clear up any confusion between the two parts. Wheel Spacers Wheel spacers are used to address clearance issues, such as
Your vehicle’s four tires don’t wear evenly. This happens because the front of your vehicle typically weighs more than the rear, and because your front tires turn while your rear tires don’t, and because (in the United States) we typically make left turns at higher speeds than we make right turns, causing the right-front tire to
“Electric cooling fans are the way to go for freeing up horsepower and for keeping your engine cool at all driving speeds,” says four-time NHRA Pro Stock champ Greg Anderson. In this short tech tip video from Summit Racing and Powerblock TV, Anderson will explain how CFMs determine whether a large single fan can be
Q: I’m changing the valve seals on my 1973 Camaro. The cylinder heads are on the engine, and the engine is in the car. I’m using compressed air to hold the valves closed. Also, the Camaro has an automatic transmission. How do I keep the engine from rotating? A: This can be done by using an engine-rotating tool and
Banging gears with a manual transmission is fun—if your clutch is up to the abuse, that is. When it’s time to replace or upgrade your clutch, these two dozen tried and true clutch, pressure plate, and flywheel tech tips and tricks will come in mighty handy. Here’s the collection: Play Ball If your car
Stay Connected