Carl Heideman
Carl Heideman
7/19/18 8:00 a.m.


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

According to the Internet, just about any engine can be swapped into just about any car on just about any weekend. Maybe it’s no coincidence that the Internet is also clogged with uncompleted swaps for sale.

These transplant operations aren’t easy, but proper planning and fabrication can separate a cool, running project from garage art on permanent exhibit. The right throttle linkages, ample cooling systems and functioning fuel delivery may not sound as exciting as the promise of a weekend swap, but these kinds of details will lead to a drivable car.

Instead of shoving a bigger, badder engine into a Miata, we’re going to upgrade a classic 1967 MGB GT with Miata power.

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theonlyiceman53
theonlyiceman53
7/19/18 8:37 p.m.

I think that is an excellent choice for a swap.   If things would have been different at Leyland they could have gone with a similar engine and kept building them for at least another five years.  I built mine a little different and used an old Big Block Chevy that I had laying around for 30 years.  I should have left it laying as it blew up shortly after this picture was taken!  It really was a lot of engine for that car but it was fun while it lasted!  It now has a little 350 Chevy in it and the engine bay looks positively huge in comparison.  I've bought another Big Block but I'm in no hurry to install it as it really is a lot nicer to drive with the small block.  Bill Cosby's description of his first ride in his King Cobra pretty much sums it up.  The engine was so loud that I couldn't tell that the engine was in destruct mode.  I thought a rocker had came loose or something.  This car has a C4 front frame clip merged into the MGB tub.  It really doesn't feel very front heavy but some of that is because of the late model GTO IRS. 

Patrick
Patrick MegaDork
7/19/18 10:12 p.m.

My steps are:

1- sawzall what i think needs cut

2- mount new engine

3- weld in some of the stuff i cut out in step 1 because i cut too much

SkinnyG
SkinnyG SuperDork
7/19/18 10:39 p.m.
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