Engine Tilters: what Claude and GPT would buy

Two AI models chose on their own, with no web access. Nobody tested these products: this is what each one says, and how to check it.

They disagree: Claude chooses Big Red and GPT chooses OTC

In Automotive, Claude and GPT choose the same brand in 60 of 112 categories.

Claude Opus 5.5 · October 27, 2026

Big Red (brand)

Big Red engine load levelers are the common, widely available choice for tilting an engine on a hoist with a crank instead of rehooking chains.

Not for: Engines that are heavier than the leveler's rated load, including engines with the transmission attached.

GPT 6.1 Sol · November 10, 2026

OTC 4305

Adjustable load leveling helps control engine tilt for smoother removal, installation, and alignment with the transmission.

Not for: Loads exceeding its rated capacity or use without a compatible engine hoist.

Claude also lists OTC among the brands that matter.

Rated capacity. The leveler's rating must exceed the full engine weight, including a transmission and accessories if they come out together. The leveler is often the weakest link between the hoist and the engine.
Hoist compatibility. The top hook or eye must fit your hoist's boom hook, and the overall length must not use up the hoist's lift height. A long leveler can reduce clearance so much that the engine cannot clear the core support.
Adjustment mechanism. A crank-screw mechanism lets you make fine angle changes under load. Fine adjustment under load is what makes it possible to line up the bellhousing and mounts.
Attachment hardware. Bolt the chains to the head or block with grade-rated bolts that thread in fully. Short or soft bolts can strip out or shear.

Shops seen in search results on November 6, 2026. A shop missing here may sell it too. Nothing was checked by a person.