You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re discussing whether it’s best to run tubes, or tubeless racing slicks. B.W. West Palm Beach, FL Q: Should I always run tubes in my race slicks? What are the advantages of running tubeless slicks and what guidelines should I
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining why new headers can cause strange noises from your engine. Q: I have a 1990 Camaro that is well taken care of. I recently added a set of headers, and I’ve been hearing funny sounds from underneath the car ever
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking oil pumps. Q: I want to put a high volume oil pump in my 1970 Ford Galaxie 500 with a 351W engine. What type should I run: Sealed Power or Melling? Is there a difference in
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at ways to fix a hard-shifting transmission. J.W. Niagara Falls, NY Q: I have discovered that the shifting characteristics of my TCI Turbo 350 Street Fighter transmission are not what I want for my daily driver. Specifically, downshifts at highway
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re quieting down a noisy differential. Q: I ordered a Richmond Gear 3.42 ratio ring and pinion set from Summit Racing for my 1989 Chevy van and had it installed by a shop I was told was reputable. They told
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re setting up a Holley carburetor for mid and high rpm power production. Q: I have a small block Chevy 350, bored .030-inch over, in a 1970 Buick Skylark. It has TRW flat top pistons, stock 1.94-inch intake
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring a technique for proper intake manifold-to-cylinder head sealing. C.M. Chicago, IL Q: I purchased a set of Edelbrock aluminum heads for my 1979 Corvette 350 engine. The engine has a 280-degree duration solid lifter camshaft, 10:1 compression pistons, and
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining camshaft duration and piston-to-valve clearance. D.W. Nova Scotia, Canada Q: I have a 454 in a 1983 Trans Am. I would like to install a bigger camshaft with an operating range to 5,500 rpm, yet have safe piston-to-valve
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re examining how changing rocker arm ratio can help performance. T.Y. Thornton, IL Q: I am in the market for roller rockers. I own a 1966 SS Chevelle with a 396. The engine is bored .030 over, has 10.25:1
You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing rough engine operation at highway speeds. H.R. Marshfield, WI Q: I have a 1967 Corvette with a fresh 460-cubic-inch big block. It has square port aluminum heads, a Weiand manifold with an 800 cfm Holley double pumper, Chevy
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