Part 18 - Cutting Intake Valve Seats on a VGS-20 - 620 HP 454 Big Block Chevy Engine Build

Part 19 - Cutting Exhaust Seats for Bigger 1.880 Valves - 620 HP 454 Big Block Chevy Engine Build

454 Chevy Big Block Bow Tie Build - Horsepower S13, E12

Valve guide trimming, cutting for positive valve seal, & cutting deeper spring pocket 620HP 454 BBC

Do Your Own 3-Angle Valve Seats!

Part 17 - Chamber Cutting and Bowl Hogging - 620 HP 454 Big Block Chevy Engine Build

GM 781 Cylinder Head Flow Bench Testing 620HP Street/Strip 454 Big Block Chevy

The last shop did NOT build this 327 for BURNOUTS!

HOW MUCH ARE AFTER MARKET IRON & ALUMINUM HEADS WORTH ON A BBC? STOCK REC PORT VS SUMMIT VS AFR 290

Valve Guide Removal and Installation for our 620+ HP Street/Strip 454 Big Block Chevy

What not to do when porting heads

Do We EVER Grind Valve Seats These Days?

How to Build a Chevrolet 454 Big Block Part 1: Taking the Cylinder Heads Off!

454 Big Block Chevy - Measuring Cam Tunnel Housing Bore Size and Grinding Custom Cam Bearings

PORTING BBC 781 HEADS (intro)

This 396 Big Block Chevy Sat For Years With Water In The Cylinders...

How to do a True 3 Angle Valve Job SUPER CHEAP Using Neway Tools (as good as any pro machine shop!)

Chevy 454 - Complete Tear Down

Machining On the mill - Resurfacing (skimming) A-series cylinder head

Engine Build 620 HP 454 Big Block Chevy Part 3 Oval Port Head Core Selection Before Porting

Perfect Daily Driver 10 - Cylinder Head Porting Basics