Columbus, Ohio – Though it’s fun to ooohhh and aaahhh over shiny chrome, custom wheels, and fancy paint jobs, a lot of gearheads would rather spend their time under the hood.

So while we were scouring the grounds of the 2023 Goodguys Summit Racing Nationals last weekend, we made sure to peek beneath the bonnet of these incredible rides. From pristine OE-spec powerplants to wicked engine swaps, this show never disappoints.

Click here to see the rest of our Goodguys event coverage. 

Check out some of the more unique engines we came across and if there’s something we missed, let us hear about it in the comments section at the bottom of this post.

turbo jet 396 3x2 big block chevy engine in an old car
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buick 455 GS stage 1 engine
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ford coyote boss 302 5.0L V8 engine in a classic car
Got a Boss 302 Coyote? You may appreciate our 2012-13 Ford Mustang Boss 302 “Road Runner” Engine Spec Guide. (Image/OnAllCylinders)
350 chevy v8 engine in a 1978 Camaro
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v10 engine from a dodge viper
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305 ho chevy v8 in a 1987 Monte Carlo SS
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ford 5.0L HO Mustang engine in a foxbody
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chevy camaro tpi sbc v8 engine
There are ways to pull more power from Chevy’s humble TPI 305 V8 found in third-gen Camaros and Firebirds. Richard Holdener will show you how. (Image/OnAllCylinders)
BLUE FLAME SIX ENGINE IN A 1954 CORVETTE
If you’re into C1 Corvettes, you know what you’re looking at here. (Image/OnAllCylinders)
Mopar Plymouth roadrunner 426 hemi engine with air grabber hood and coyote duster cleaner
Air Grabber hood, Coyote Duster air cleaner, and spark plug wires in the valve cover—Mopar fans know what that means. (Image/OnAllCylinders)
tuned port tpi chevy 305 engine in a pontiac trans am
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327 300 turbo fire chevy sbc v8 engine in an old muscle car
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351 ford cleveland engine with shaker air cleaner
Remember, not all Ford 351s are the same. To get the skinny, read this: What’s the Difference Between a Ford 351 Windsor, Cleveland, or Modified Engine? (Image/OnAllCylinders)
corvette ls3 engine swapped in an old muscle car
Thinking about an LS swap for your classic car or truck? Start with the Summit Racing LS Engine Swap Guide. (Image/OnAllCylinders)
348 Mopar V8
Pretty sure that autograph on the air cleaner belongs to Ronnie Sox, legendary NHRA Pro Stock drag racer. (Image/OnAllCylinders)
427 425 big block chevy turbo jet v8 in a copo camaro
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ford 352 v8 engine in a 1962 mercury monterey
We spotted this pristine Ford 352 FE in an early Mercury Monterey. (Image/OnAllCylinders)
chevy 350 small block engine in a 1968 chevelle
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ford 292 v8 in a 1955 thunderbird
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396 375 engine big block in a chevy muscle car
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Author: Paul Sakalas

Paul is the editor of OnAllCylinders. When he's not writing, you'll probably find him fixing oil leaks in a Jeep CJ-5 or roof leaks in an old Corvette ragtop. Thanks to a penchant for vintage Honda motorcycles, he spends the rest of his time fiddling with carburetors and cleaning chain lube off his left pant leg.