2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Shortblock....Longblock......What's The Difference?

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Old Sep 30, 2002 | 06:38 PM
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Shortblock....Longblock......What's The Difference?

Does anyone know the difference between shortblock and longblock 13b's? I hear the terminology sometimes in the for sale column, please explain.
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Old Sep 30, 2002 | 06:50 PM
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It's not just rotary engines, it applies to all engines..

Shortblocks are just the basic block with the bottom end totally put together. So you can expect the oil pump installed, front cover installed, etc.

Longblocks are motors with the cam, heads and intake manifold installed, which doesn't apply to RX-7s, but if I were buying an RX-7, I'd expect the upper/lower intake manifold to be installed on the engine as well.

Now, I could be totally off base, since I've never bought a 'long block' 13B before.

PaulC
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Old Sep 30, 2002 | 09:09 PM
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yeah, i think longblock has everything on it, like they just pulled it from another car, and didnt take anything off
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