173: The Art and Science of Race-Winning Engines

What does it take to build race-winning engines, break land speed records and compete with some of the biggest names in NASCAR? For Brian Salter of Salter Racing Engines, the answer goes far beyond making horsepower. It's about understanding the finer details of engine design, pushing the limits of performance and knowing how to make every component work together.

👉 Use the code ‘PODCAST500’ to get $500 OFF HPA's VIP Package: https://hpcdmy.co/podvip

In this episode of Tuned In, Brian shares his journey from working on NASCAR engines as a teenager to building his own successful engine business. We discuss the challenges of establishing a reputation, competing at the highest levels of motorsport and the personal sacrifices that came with running a championship-winning operation.

We dive deep into engine design, covering cylinder head porting, airflow velocity, intake manifolds, camshaft profiles and why bigger isn't always better. Brian explains how he developed NASCAR engines producing over 640hp through a restrictive 390 CFM carburettor, and why chasing impressive flow bench or dyno numbers doesn't always translate into better performance.

The conversation also explores Brian's success in land speed racing, including a 250ci naturally aspirated engine that helped achieve 190mph and a collection of records. We discuss horsepower versus torque, short-stroke engine design, frictional losses and why the right power delivery matters just as much as peak output.

Ultimately, this episode is about understanding the complete engine package rather than chasing individual numbers. Drawing on decades of experience, Brian shares the engineering principles, hard-earned lessons and attention to detail behind building engines that don't just make power, but win races.

👉 Use the code ‘PODCAST500’ to get $500 OFF HPA's VIP Package: https://hpcdmy.co/podvip

Follow Brian Here:

Youtube: SalterRacingEngines

Email: [email protected]

Timestamps:

0:00 The Art and Science of Race-Winning Engines 
3:39 How did you get involved in cars?
12:43 How do you get to 640HP with a 390 carb?
15:42 Porting, CFM vs air speed
19:39 What sort of finish are we looking for on our ports?
23:44 What would happen if you added a bigger carb?
28:30 What are you changing in these weekly engine refresh?
32:59 What does cryo treatment do to parts?
40:07 Pros and cons of using epoxy to add material to a port?
44:07 How did you transition from helping in an engine shop to building engines professionally?
54:37 What did Salter racing Engines look like at it’s peak?
1:11:17 What’s different about a land speed racing engine?
1:26:10 What’s your opinion on HP vs Torque?
1:33:34 Airflow vs Stroke vs Torque
1:41:07 What is pumping loses?
1:44:56 Final 3 questions 

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