The following are the latest videos produced by V8TV Productions, Inc., and the V8 Speed and Resto Shop. Videos are grouped by category in the other video tabs in the menu.
Balancing the Crankshaft for a Big Block 396 Chevrolet at V8 Speed and Resto Engine Machine Shop
Join Ethan Hahn, machinist at the *V8 Speed and Resto Engine Machine Shop* in Red Bud, …Illinois, as he walks through the critical process of balancing a crankshaft for a *1970 Chevelle SS 396 Big Block* V8.
When moving to a larger-than-stock bore, the addition of heavier pistons changes the balance requirements of the rotating assembly. In this build, Ethan demonstrates how he meticulously removed roughly *60 grams* from both the front and back of the crankshaft to achieve optimal performance.
### *In this video* :
* *The Drilling Process* Starting with small diameter bits to stay centered on the counterweights before working up to the final *1-inch size* required.
* *Precision Refinement* Slowing down the material removal as the balance gets within *15 to 20 grams* to aim for a perfect zero.
* *Performance Tolerances* Why a high-performance rebuild needs to stay under 5 grams, while an all-out race engine spinning at 8,000 RPM requires a balance as close to zero as possible.
* *Final Steps* Thoroughly cleaning the crankshaft and oil passages to ensure no debris remains before the short block assembly begins.
Whether it’s a street cruiser or a high-RPM race machine, precision balancing is the key to engine longevity and smooth power delivery.
*Visit us for your next engine build*
https://v8speedshop.com/engine_shop
#v8speedandresto #Chevy396 #EngineBuilding #CrankshaftBalancing #1970Chevelle #V8SpeedAndResto #BigBlockChevy #MachineShop #MuscleCarRestoration
## V8 Speed and Resto Engine Machine Shop
817 S. Main Street
Red Bud, IL 62278
314.783.8325
https://v8speedshop.com/engine_shop
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