I'm trying to find out if there is an external size difference in engines.
Does anyone know
Same size engines just bigger pistons and cylinders I believe.
Correct.. all air-cooled flat six Porsche engines from 2.0 - 3.6 are the same in external dimension and fit into the 914 engine bay.
Didn't I jut answer this question for you yesterday? 2.0 through at least 3.2 are the same width.
The Cap'n
I believe the cooling tin on the 3.6 is a bit different. All the rest are the same. Correct Cap'n?
Yes. 2.0-3.6 are all the same external dimensions, the FI on top is a different story.
MFI fits without a problem.
CIS is a tough fit. The engine needs to be lower or the trunk needs to be cut.
The Motronic on a 3.2 does fit, but it's tight. Most remove the stock air box.
The Motronic on my 3.6 fit after I removed the crossbar on the engine decklid and moved some of the intake plumbing.
3.6 Varioram does not fit without modifications to the body.
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