Carl Heideman
Carl Heideman
7/23/18 1:42 p.m.

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Story by Carl Hedieman • Photos by Carl Heideman and Alan Dalman

When it comes to engine swaps, simply fitting the new powerplant under the hood is only half the battle. It’s the detail work that separates an awesome build from a piece of stagnant garage art.

Our test subject is a Miata-powered MGB GT, and in the first installment we spent considerable time getting our new powerplant properly situated in the engine bay. We made sure the engine was both straight in the chassis and level from side to side. We also kept the original engine’s 3-degree slope–this retains the stock pinion angle and keeps the driveline happy.

Our one compromise involved the shifter: It now sits about 2 inches farther back, requiring a small tunnel modification. We could have modified the shifter instead, but this seemed like the best fix in our case.

Now begins the detail work: designing a set of engine mounts that make this swap look and function like a factory installation. This process applies to a broad variety of applications, because unless the aftermarket has already produced a bolt-together solution for your swap, we’ll both be traveling down a similar road. Follow along.

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7/25/18 11:04 a.m.

Can you advise whether you welded the plate with the crush tubes in place?

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