Mailbag: Talking Timing for Small Block Chevy V8s
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering questions about timing for small block Chevy engines. W.H . • Temple, TX Q: Which way do you turn the distributor on a small block Chevy to advance the timing? We’re having a family debate—I say one way,
Mailbag: Converting a Race Engine to Pump Gas
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taming an old race engine for street use. R.F . • Morgan, GA Q: I plan to install the stroker motor from my former race car into my recently purchased 1970 Camaro. The engine is a 4-bolt main, GM
Mailbag: Shocking Dilemmas and Traction Troubles
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taking on electrical gremlins and traction problems. K.M. • Danvers, MA Q: I own a 1972 Chevelle with a moderately built 350 and a four-speed. Recently, I installed a MSD Billet distributor, 6A ignition box, and coil. When I try
Mailbag: How to Untame a Mustang
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re bolting on an easy 100 horsepower to a later model Mustang . R.J. • Lubbock, TX Q: I’m new to the hobby and have a 1994 Mustang GT convertible that drives like it’s been tamed. I’ve thought about replacing the
Mailbag: Troubleshooting Rochester Quadrajet Carburetors
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring possible causes for leak downs in Quadrajet carburetors. S.O. • Round O, SC Q: I have seen numerous Rochester Quadrajet carburetors that have a leak down problem when the car sits idle for a day or more.
Mailbag: 400 Horses from a Chevy 350—Good or Bad?
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 make 400 horsepower from a Chevy 350 engine–and whether it’s the right option for a Blazer 4×4. R.Q. • Indianapolis, IN Q: I need some advice on putting together a 400-horsepower Chevy 350. The
Mailbag: Traction Tips for the Track
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at possible solutions for poor traction. K.L. • Bridgewater, VA Q: I have been working on my 1969 Camaro for a number of years. I now have the power I want (about 450 horsepower from a 350
Mailbag: Identifying Positive vs. Non-Positive Differentials
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at posi- and non-positraction rear-end setups. T.J. • Columbia, SC Q: I’d like to know how to identify positive or non-positive traction configuration on Ford and Chevy rear-ends. Is there a quick way to tell? Can you
Monday Mailbag: Fuel Cells vs. Fuel Tanks
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we discuss the basics of compression and how it relates to your fuel octane. R.B. • East Aurora, NY Q: This might seem like a simple question, but what is the difference between a fuel tank and a fuel
Mailbag: What is Compression and How Does it Relate to Octane?
Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we discuss the basics of compression and how it relates to your fuel octane. T.C. • Dayton, TX Q: I have a 1993 Chevy Silverado Z71 and according to the repair manual, my small block’s compression is 8.2:1. What




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