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Old 12-29-2016, 04:55 AM   #81 (permalink)
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I wonder if you could fit a FWD SOHC B6 head on it? Presumably it would have a more econo grind to the camshaft.

Looks like it will!

http://forum.miata.net/vb/archive/index.php/t-8249.html

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Old 12-29-2016, 07:45 PM   #82 (permalink)
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The guy that did the G10 swap is "fujioko". He's on here but hasn't been here in a long time. Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Profile: fujioko

He did a B3 swap from a Festiva on another Miata. The B3 is a de-bored version of the B6 in the Miata, SOHC 8 valve too. All the B series engines share a bell housing bolt pattern.

https://forum.miata.net/vb/showthread.php?t=441727

Festiva guys basically give away B3's.

Looks like he also swapped an RX7 5th gear in. Not sure how much difference.

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