cylinder heads

Ford’s venerable Modular engines have been a Ford mainstay for three decades. The 4.6L “Mod’ Motor” SOHC V8 first appeared in the 1991 Lincoln Town Car and quickly made its […]

I’d like to build a Chevy 400 to drop in my short box pickup. The goal is a fun street truck, no track time, more likely to hit the highway […]

Here is a simple question: Do cylinder heads help determine the effectiveness of your Ford combo, or, does the combo help determine the effectiveness of the heads? The reality is […]

Q: How is exhaust runner volume measured and how does it affect performance? … A: Exhaust runner volume is the measure of the passage from the exhaust valve to the […]