Ask Away! with Jeff Smith: Examining the Viability of Chevrolet’s Oft-Overlooked “Corporate” 10-Bolt Rear-End
Was it possible for the 1970 big block 396 (402) Nova to come with the 10-bolt rear-end installed from the factory? I know the 12-bolt was optional for around $150 from the dealer at the time but that was a lot of money to the car buyer in 1970. Did the factory turn out some
2015 Top Tech Articles
Editor’s Note: In 2015, we looked back at the best aftermarket parts of all time, commemorated 60 years of small block Chevy performance, and went Back to the Future to celebrate the iconic movie’s anniversary. We said goodbye to Roscoe P. Coltrane and hello to a whole new generation of Camaros. Jeff Gordon retired. Volkswagen cheated. And BIGFOOT had
Mailbag: Swapping a TH-350 Transmission for a TH-700-R4
Q: I have a 1941 Ford sedan with a small block Chevy. I would like to replace the TH-350 transmission with a TH-700-R4. How much difference is there in the physical size of the transmissions? Will I need to change the transmission mount? Would the driveshaft need modification? A: The TH-350 is 27¾ inches in total length and
Video: Maintaining Consistent Nitrous Pressure with a Nitrous Express Bottle Bath
Consistency is key when tuning a nitrous car. By maintaining consistent nitrous pressure from run to run, you eliminate one variable so you can identify other needed adjustments in your track setup. In this video, Mike from Nitrous Express talks about the new Nitrous Express Hot Water Bottle Bath and how it can help you maintain consistent bottle pressure.
Wrap Those Rascals: Installing Exhaust Wrap on Motorcycle Exhaust Pipe
Our friend and OnAllCylinders contributor Jesse Kiser picked up a 1974 Honda 360 as a first bike for his wife, who is new to motorcycles. The Honda’s exhaust pipes were solid but rusted, pitted, and plain ugly. Getting exhaust pipes for a 360 isn’t hard, but getting a nice set isn’t cheap. Like most everyone
Mailbag: Upgrading a Fuel System to Match Performance Modifications
Q: I just finished rebuilding the 5.0L engine for my 1989 Mustang. I made the following modifications: World Products Windsor Jr. cylinder heads with 58cc combustion chambers Ford Racing X-303 camshaft Trick Flow Street Burner intake manifold 70mm throttle body and EGR plate 73mm Mass Air meter BBK cold air induction BBK adjustable fuel pressure regulator
Ask Away! with Jeff Smith: Upgrading Valve Springs for Better High-RPM Performance
I’ve got a 454 H.O. crate engine and we installed a small ProCharger centrifugal on the engine to bump the power. I thought this would work well with the engine’s 8.75:1 compression ratio. I then took the combination to the chassis dyno but ran into all kinds of problems. The engine just lays down at
Cheat Sheets: 25 Measurement Conversions Every Gearhead Should Know
Every car guy has his own way of doing things. That goes for the engineers and marketing guys at big automotive and aftermarket parts manufacturers, too. For example, some fuel pump makers rate their pumps by gallons-per-hour. Others go by pounds-per-hour. Some engines are measured in cubic inches; others are advertised in cubic centimeters. That’s
Get Hotchkised: A 5-Step Plan for Making Your Classic Muscle Car Handle like a Late-Model
When Hotchkis Performance talks about suspension, we listen. Hotchkis sent us this primer on updating the suspension on classic 1960s and ‘70s muscle cars to make them handle like a late model. According to Hotchkis, an upgraded suspension is not just a performance advantage, it’s also a safety issue on modified vehicles. The stock suspension—even one
Lift Pump Basics: Pressure vs. Flow and Which is More Important
Long-time diesel guys know the benefits of a lift pump. By feeding the injection fuel pump with a steady supply of fuel, a properly operating lift pump assists in maintaining constant fuel pressure even under high loads. That means your engine has all the fuel it needs to make maximum power when you need it the most. In some cases, you can




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