Shawn (Autotopia LA) has found yet another smoke machine on the left coast. Arizona truck owner Rob inherited the Sierra Classic (C10) from his grandfather. As a one-owner truck, the old GMC was straight, but bone stock. Rob decided to leave the truck with Tre5 Customs and let them work their magic. The rest – as they say – is hot rod history.

You won’t find any fancy paint or graphics in this build but it rides on a full GSI chassis. The wheels are a 5-spoke design (22×8.5-front, 24×15-rear) and the brakes are from Baer. The hydraulic over electric brake booster is hidden to blend with the overall clean appearance of everything on this ride. The four-wheel disc setup includes 14-inch drilled and vented rotors with 6-piston calipers. Stopping is not an issue.

Motivating grandpa’s truck is a supercharged 6.2-liter LT4 V8 engine. It is in crate condition with the exception of some custom headers and exhaust. Rob estimates the big mill is producing approximately 700hp at the crankshaft.

The transmission is a GM 8L90 automatic and the rear end is a beefed-up Ford 9-inch.

Without further ado – let’s go for a ride!

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