Mailbag: How to Check Your Speedometer for Accuracy
Q: I recently had a new set of tires installed. I opted to go with a larger diameter than the originals that were on the car. Will this affect the accuracy of […]
Mailbag: Waking up a Sluggish Small Block
Q: I have an old Camaro that I am fixing up. It has a 350 small block bored .030-inch over with a 383 stroker crankshaft, 5.7-inch connecting rods, and forged flat […]
Mailbag: Boosting Low-End Performance for TBI Applications
Q: I’m rebuilding the 350 TBI engine in my 1992 Chevy 3/4-ton pickup, and I’m looking for a boost in bottom-end power. I’ve selected Edelbrock’s Performer TBI intake manifold and Performer-Plus […]
Mailbag: Straight-Line 90/10 Racing Shocks For Street?
Q: Occasionally, I take my street-driven Fox Body Ford Mustang to the track for some racing. I’d like to get more traction off of the line. Will 90/10 front shocks […]
Mailbag: Eliminating Hot Transmission Fluid Venting at High Temps
Q: I have a Turbo 400 transmission with a 4,000-rpm stall converter and a transmission cooler. My trouble starts when the transmission temperature gets to about 210˚ F—the transmission starts […]
Mailbag: Tracking Down the Source of Engine Misfire
Q: I have a 402 big block motor in my Chevy truck. It runs great from 1,800-2,000 rpm, on up. It has a Crane RV cam, Edelbrock Performer intake, and Performer heads. […]
Mailbag: Choosing the Right Carburetor for Supercharged Applications
Q: I plan on installing a supercharger in the near future and I’m not sure what carburetor to use. Do I need to upgrade from my current carburetor to a larger carb to get the most […]
Mailbag: Diagnosing Insufficient Oil Pressure & Oil Starvation
Q: I have a 1985 Camaro Z/28 with the 305 TPI in it. When I was just cruising around, I glanced at my oil pressure gauge. One minute it was normal, the […]
Mailbag: Matching Compression, Timing & Octane to Prevent Detonation
Q: I am in the process of rebuilding a Chevy 350 small block as a 383 stroker. I am going to put the engine in a 1967 Camaro SS. I plan on […]
Mailbag: What’s Causing My Engine to Misfire?
You’ve got questions. We’ve got answers—the Summit Racing tech department tackles your automotive-related conundrums. This week in our Mailbag, we’re tracking down the cause of misfiring. Q: I have a Chevy truck. It […]