Ask Away! with Jeff Smith: Why You Should Locate Fuel Pressure Regulators Near the Engine
I am making plans for an LS-swapped Chevelle with all kinds of cool parts, so I’m building the car in my head. I’ve seen lots of people use that Corvette factory fuel pressure regulator and fuel filter in their cars and I got to wondering why I should place the regulator up front near
Mailbag: Choosing Stock vs. Aftermarket Performance Parts for an Olds 350 Engine Build
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’re answering several questions about an Olds 350 engine build. Q: I am building a 1977 Olds 350 that I will be installing in a 1976 Nova. The engine has 9.5:1 compression pistons,
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 sure I installed the seal the right way, but it’s obvious from how bad the leak is that it’s going to have to be replaced.
Mailbag: Upgrading Valvetrain for Bottom-End Performance on 1976 Toyota FJ-40 with 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 1976 Toyota FJ-40 powered by a 350 small block. Q: I have a 1976 Toyota FJ-40 Land Cruiser with a 350 small block from a 1973 Camaro.
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 1985 Monte Carlo for a 350 with a mild cam and a TH-350 transmission. My question is about the tranny. It was in a friend’s strip car, and had about 15 passes on it before I got it. The transmission has some kind
Mailbag: Cleaning the Carb on a 1971 Corvette 454 to Fix Engine Stall
Q: I have a Holley 800 cfm double pumper carburetor on the 454 in my 1971 Corvette. The carburetor worked fine when I first installed it. But after the car spent six months in the garage, the engine dies when I go around a corner or when under normal to hard braking. At regular and
Mailbag: Building a Camshaft & Valvetrain Combo to Boost Bottom-End Performance
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 valve job, and the engine features a Holley 650 cfm carburetor on an Edelbrock Torker II intake. I am using the stock four-speed transmission and
Ask Away! with Jeff Smith: Optimizing Gear Ratio for Overdrive at Cruising Speeds
I have a ’72 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 to put together a nice running street and highway car. I don’t drag race this car but I do want to be able to cruise down
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? The Fel-Pro gasket set I have has four facing pieces, but the full gasket set only has two intake gaskets and the valley pan. If
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 engine performance he’s experiencing when his Holley carburetor’s vacuum secondaries are activated. Q: I have a Chevy 383 stroker with a Holley 600 cfm vacuum




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