Ask Away! with Jeff Smith: How to Identify Gasket Leaks and Fix Them
I have a 383 c.i. small-block Chevy that I recently rebuilt and installed in my ’72 El Camino. Unfortunately, it appears that the rear main seal is leaking. I’m pretty […]
Mailbag: Upgrading Valvetrain for Bottom-End Performance on Toyota FJ-40 Land Cruiser with a SBC
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we discuss upgrading valvetrain components on a vintage […]
Mailbag: Adjusting a TH-350 Transmission From Race Setup to Street Use
Q: I recently replaced the 305 engine and TH-200 transmission in my G-Body Monte Carlo for a 350 with a mild cam and a TH-350 transmission. My question is about […]
Mailbag: Cleaning the Carb on a Big Block Chevy 454 to Fix Engine Stall
Q: I have a Holley 800 cfm double pumper carburetor on the 454 in my 1970 Impala. The carburetor worked fine when I first installed it. But after the car […]
Mailbag: Building a Camshaft & Valvetrain Combo to Boost Bottom-End Performance in an SBC-Swapped Land Cruiser
Q: I have a 1976 Toyota FJ-40 with a 350 small block from a 1973 Camaro. The engine has been rebuilt and is stock internally. The heads have a fresh […]
Ask Away! with Jeff Smith: Optimizing Gear Ratio for Overdrive at Cruising Speeds
I have an early 70s Chevelle and I am planning for either a 700R4 or maybe a 4L60E. The car right now has a mild big-block 454 and I’m looking […]
Mailbag: Proper Intake Gasket Installation Sequence for Chrysler 440 Engines
Q: What is the proper intake gasket installation sequence for an aluminum intake on a Chrysler 440 engine? Should it be gasket, then valley pan, another gasket, and then manifold? […]
Mailbag: Solving Sluggish Engine Performance After Carb Secondaries Open
You’ve got questions. We’ve got answers — when we work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we help a reader troubleshoot sluggish […]
Mailbag: How to Adjust Your TV Cable to Correct Improper Shifting on a 700R-4 Transmission
Q: I have rebuilt a 1984 Suburban 4×4. I replaced the 350 with a 402 big block with 10:1 compression, and rebuilt a 700R-4 transmission with a Corvette servo. The […]
Mailbag: Understanding Shock-Damping Ratios for Dual-Purpose Street and Drag Cars
Q: I have a 1967 Camaro Rally Sport that is about 85-percent completed. The car will be a street machine with some occasional drag racing at the local track. My […]