Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re figuring out how to stuff bigger, beefier tires underneath a Jeep Wrangler. K.W. • Warroad, MN Q: I want to install 33-inch x 12.5-inch x 15-inch tires on a 2005 Jeep Wrangler. It’s equipped with a two-inch Rubicon Express Budget
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re making a few jetting changes to accommodate for high-humidity racing. D.D. • Agana, Guam Q: I recently bought a 1970 Plymouth GTX. It came equipped with a Chrysler 440, a 750 cfm carb on an Edelbrock manifold, a stock Chrysler
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a Camaro overcome its stumbling problems. D.P. • Bridgewater, PA Q: My 1979 Camaro is powered by a 350-horsepower Jasper Performance engine fitted with a Weiand Stealth intake, a Holley 650 double-pumper carb, Dart iron heads, HEI ignition, Dynomax
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we help convert a race engine into a pump gas street motor. R.F. • Morgan, GA Q: I plan to install the stroker motor from my former race car into my recently purchased 1970 Camaro (after I repair the body
What are the differences between I-beam and H-beam connecting rods? Learn why lighter-weight I-beam rods are perfect for high-rpm applications and why heavier H-beam rods are better suited for high-horsepower, higher-torque applications. Learn what separates aluminum, steel, billet, and titanium connecting rods, and much more!
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking drag radials vs. slicks. S.B. • Alamosa, CO Q: I have a 1970 Plymouth ‘Cuda with a fresh, high-horsepower 440 in it. It runs great, but I really need some new rubber. I know that drag radials
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader find the source of mysterious white smoke. J.M. • Cola, SC Q: I have a 1984 Pontiac Bonneville with a Chevy 350. White smoke has been coming out of the left exhaust pipe and
Better understand compression ratio, how to calculate it, piston-to-wall clearance, how to adjust it depending on the power your engine produces, and more by watching this Summit Racing Quick Flicks video.
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re spraying some knowledge on nitrous. J.F. • Danville, VA Q: I’m restoring a 1969 Impala with a 327. I’d like to keep the engine stock while increasing horsepower. I’ve considered using nitrous but some say that
What are the advantages of cast pistons versus forged pistons? Learn why high-boost, high-horsepower modifications lend themselves to the more-expensive and typically much stronger forged pistons. Also, hear why hypereutectic pistons are a nice mid-level compromise between cast and forged pistons and can help you run tighter tolerances. Check it out. Today I am going
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