M.K. • Darien, GA Q: I have a 1983 Camaro Z28 with a rebuilt 305. I can’t drive over 80 miles-per-hour without the whole car shaking. I have tried different brands and widths of wheels and tires, but nothing has helped. I am stumped at this point—what should I be looking for? A: We suggest checking
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking forward to warmer weather by helping with a marine engine build. Check it out: G.S. • East Moline, IL Q: I’m doing a marine engine build this summer and I need your help. The boat is a 1984
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. Last week, we tackled a rich air/fuel condition. This week, we’re helping maximize some already-potent Mustang modifications with larger fuel injectors and airflow upgrades. M.T. • Frackville, PA Q: I’ve been upgrading my 1989 Ford Mustang LX for quite some time. It
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. Last week, we tackled a rich air/fuel condition. This week, we’re revisiting the popular subject and offering up a few more possible solutions as well as some general tuning tips. J.R. • Summerland, CA Q: I have a 1964 Nova that I
J.S. • Saltillo, MS Q: I have some questions concerning my 1981 GMC 1/2 ton truck. It has a 350 that’s bored .040 inches over with flat top pistons, ported and polished LT1 heads, a Lunati Bracket Master II cam, and an Edelbrock RPM intake topped with a Carter AFB 600 cfm carb. This combination
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking about the merits of O-ring grooved Ford cylinder heads for high-horsepower nitrous applications. L.M. • Post Falls, ID Q: I’m building a 5.0L engine for my 1987 Mustang, and I have a question about cylinder heads. In
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing carbon deposits on an exhaust system and resolving a rich air/fuel mixture. J.K. • Mountaintop, PA Q: My 1970 Buick Skylark has a 350 Buick engine, a 350 turbo/hydro-automatic transmission, and a Chevelle 12-bolt posi rear-end. I
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re offering up some winter performance tips for diesel trucks. S.M. • Ann Arbor, MI Q: I drive a 2001 Ford F-350 Super Duty Crew Cab pickup with a 7.3L Powerstroke diesel engine and a 4R100 automatic transmission. When
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re dialing in timing and straightening out a few cam/valvetrain issues.. D.B. • Basom, NY Q: I own a 1977 Chevy 1/2 ton 4×4 with a 350 engine. I’ve had the engine bored .030 inches over, installed flat top
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re dialing in timing and straightening out a few cam/valvetrain issues.. C.S. • Currie, NC Q: I have a 1967 Ford Fairlane. It’s equipped with a 1968 390 GT engine that’s bored .030 inches over. The engine uses the
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