Mailbag: What’s Poppin’? Possibly Worn Cam Lobes
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re diagnosing unwelcome exhaust noise. From: R.C. • Dunnellon, FL Q: I’m having a problem with my 1979 Monte Carlo/406 project that I can’t figure out. I’ve driven the car for about 5,000 miles, and it’s developed
Monday Mailbag: Increasing Horsepower, Gas Mileage & Compression
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking budget horsepower and compression ratio. From: P.W. • Rosholt, WI Q: I have a 1984 Chevy Z28 Camaro with an HO 305 engine and five-speed transmission. I want to increase horsepower and gas mileage
Monday Mailbag: Freshening Your Suspension & Setting Valve Lash
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we offer advice for restoring a worn suspension and setting valve lash. From: Carlos Callahan • Stockton, CA Q: My Mustang’s suspension system is getting stiffer as it gets older. It’s a 1991 LX 5.0L
Mailbag: Gear Swaps and Tranny Maintenance
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we offer advice for choosing the proper gear ratio and performing transmission flushes. From: Jimmy Stevens, Jr. • Saltillo, MS Q: I have a 1981 GMC half-ton pickup with a 350 bored .040 inches over. It has
Mailbag: Engine Rebuild Options & Exhaust Noise Remedies
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we offer advice for an engine rebuild and help cure excess exhaust noise. Michael Barrett, Jr. • East Haven, CT Q: I’m trying to decide what engine to drop in my 1986 Monte Carlo SS with
Monday Mailbag: Aluminum vs. Iron Cylinder Heads & S10 Upgrades
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking cylinder heads and Chevy S10 upgrades.. From: Gary Button • San Clemente, CA Q: I have a 1963 Corvette with a 327. It produces around 300 horsepower, but I want to bump it up
Mailbag: Race Fuel vs. Pump Gas
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering your questions on race fuel and ring and pinions. From: Robert Tuck • Stockton, CA Q: I am in the process of building a circle track vehicle. I purchased a Chevy 383 four-bolt
Mailbag: Diagnosing Starter Issues and Resurrecting Your Ride
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re troubleshooting a starter and bringing a dormant vehicle back to life. From: Ron Brandelli • Oak Harbor, WA Q: The starter on my 1936 Ford street rod breaks every year. The copper stud completely burns out
Mailbag: Old School Carb Tech and New Generation GM Power
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we troubleshoot a carburetor and build some serious LS horsepower! From: Joe Landreth • Simpsonville, SC Q: I’m running a 331 small block in my 1963 Bel Air. Recently, I installed a new carburetor. It ran great
Mailbag: Calculating Compression Ratio and Building LT1 Power
Got questions? We’ve got the answers—Mondays when the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking compression ratio and LT1 power. From: John Oltman, Jr. • Metamora, IL Q: I’m rebuilding a 327 to drop into my 1948 Jeep CJ2A. I’ve bored the engine .030 inches over and equipped it with




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