350 CHEVY Dyno testing ProMaxx heads and Summit 1202 4/7 Swap Camshaft! CHEAP EASY 415HP!
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41:30
400 SBC Chevy- Advancing the camshaft 4 degrees what will happen?? Dyno tests Comp XE268H -Part 2
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37:13
Don’t break the bank! Pistons ring COMPARISONS with REAL data! The numbers don’t lie!
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17:50
The SHOCKING TRUTH behind GM’s BANNED 454 LS6 Engine | Why?
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21:24
Budget 350 Chevy - Assembly Tips to stay organized, prevent costly errors, save you time and money.
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11:50
8 Best American Inline-Six Engines Of All The Time!!!
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20:39
Promaxx Project 215cc Head Review With Real Flow Numbers
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28:32
AFR 227cc Competition Ported heads vs Promaxx 235cc CNC Ported heads
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30:06