Mailbag: Top 3 Ways to Cure a Pre-Ignition Condition
Q: I have a Ford truck with a 390 FE engine. I had the heads redone and installed a new cam and lifter set, true roller timing chain, valve springs, single […]
Mailbag: Lowering ETs with a New Cam & Intake Manifold in a Vintage Chevy 3100
Q: My current project is giving me trouble. I have a 1950s-era Chevy 1/2-ton truck with a 283 at .030 overbore and .010 under rods and mains. I’m running early […]
Shades of Black: Joe Mazzola’s 1970 Hemi ‘Cuda and Pam Mazzola’s 2009 Challenger SRT8
“Life got in the way of drag racing, and I wound up parking the car in the garage where it served mostly as a shelf. I got plenty of […]
Eccentric Ways: The Best Way to Break-In a Flat Tappet Camshaft
The automotive world has totally embraced the notion of hydraulic roller lifers. Yes, rollers reduce friction and present the opportunity to employ a more aggressive lift profile compared to a […]
Ask Away! with Jeff Smith: The Great 5.3L Truck LS Swap Debate
With all this talk about truck LS engines, I hear a lot of talk about swapping a 5.3L truck LS engine into a car. Why would you want to go from […]
GM Confirms a New, 6th-Generation Small Block V8 Engine with Large Manufacturing Investment
After General Motors announced plans to eliminate tailpipe emissions by 2035, the gearhead world was left wondering if the current 5th-generation LT-series engines were the last in the legendary GM/Chevy […]
Mailbag: Putting More Towing Muscle in a Straight-Six 250-Powered Chevy Pickup
Q: I’m working on building up the straight-six 250 engine in my old Squarebody Chevy pickup. It came with dual exhaust and a Rochester 2SE carburetor. I’d like to eventually […]
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, […]
Behold the Mighty 1969 Chevy Camaro COPO ZL-1
Let’s take a moment to talk about what is often regarded as the meanest Camaro to ever scream out of Chevy’s Norwood, Ohio assembly plant: The 1969 Camaro COPO ZL-1. […]
SEMA Quick Feature: Hayden & Blue Streak’s 585-HP 1972 Jeep CJ “Blue Streak Beast”
LAS VEGAS, NV — Being at the SEMA Show is essentially one continuous “Well there’s something you don’t see every day” experience. And sometimes, in a sea of head-turning automotive […]