Mailbag: Why Do I Need to Use Antifreeze?
Q: Why do I need to use antifreeze? … A: The fluid you use in your engine’s cooling system can affect its performance. For most vehicles, a 50/50 mixture of antifreeze and […]
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Tech Articles
Tech Articles
Mailbag: How Do Thermostats Work Within a Cooling System?
In a liquid cooled engine, the thermostat is a valve installed between the water pump and the radiator. It controls when the radiator starts to cool the engine. It’s job is to […]
Q&A
Mailbag: Will These Exhaust Headers Fit my Vehicle?
Q: How can I figure out if these headers will fit my vehicle? … A: Exhaust headers are designed to fit a specific combination of engine and vehicle. Just because a […]
Q&A
Mailbag: Explaining 4-1 vs. Tri-Y Exhaust Header Collectors
Q: Can you explain the difference between “4-1” and “Tri-Y” collectors? … A: The collector is where the primary tubes merge together. 4-1 and Tri-Y are the two main types […]
Q&A
Mailbag: What is Connecting Rod Ratio and Why Does it Matter?
Q: What is rod ratio? … A: Rod ratio is the relationship between the Connecting Rod Length and the Stroke Length of the crankshaft. How is it calculated? Use the following formula to calculate rod […]
Q&A
Mailbag: Ford 302 Firing Problems After Cam Swap
Q: I have a 1994 Ford F-150 with a 5.0L engine and factory mass airflow sensor. I just had the heads redone and installed a Trick Flow Stage 1 camshaft. […]
Q&A
Mailbag: Can I Remove the Cooling Fan Shroud?
Q: Can I remove the fan shroud on my cooling fan? … A: It might seem like it’s just in the way, but the fan shroud plays an important role in the […]
How Tos
Mailbag: Tips for Wiring an EFI Kit or Engine Management System
Q: Do you have an advice for hooking up a new EFI kit? … Tips For Hooking Up Your ECU Connecting the wires is an important step in getting your electronic […]
Q&A / Tech
Mailbag: 5 Things to Check When Swapping to Higher Lift Rockers
I have a 1970 Nova SS with a 11.5:1 compression, 355 cubic-inch small block. It has Sportsman II heads, a COMP Cams hydraulic camshaft (292 degrees advertised duration, .507 inches […]
Q&A
Mailbag: Which Air Intake Tube Material is Better – Metal or Plastic?
Q: Is a plastic or metal intake tube better? … A: Air intake kits are a popular performance upgrade. They are affordable, easy to install, and provide noticeable gains over a […]
