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[pitobread]

Few months back I went crazy on Yahoo Japan and bought a set of ITB's for what was listed as BP-ZE for absolutely retarded cheap. When they arrived I compared them to a 1.6 manifold I had laying around. looked very similar but bigger... The port spacing was wider so hurrr duurrr I assumed(wrong) that it was 1.8L! I don't have a spare engine/head that is 1.8 so I couldn't at the time check it out.

Doing the turbo thing I made up a plentum for it, fabbed a custom fuel rail and basically made it in to a functional setup. I was going to install it in a few weeks so I grabbed new gaskets. Problemo.

See attached picture. I have made an error, full stop.





So to get my money out of it I need to figure out what it is for exactly.  You nogs are smrt so help me out.

[Rosecitycrx]

AE101 itbs? http://bigmike.marlincrawler.com/white/index.html

[pitobread]

Definitely not AE101.  Everything is symmetrical and AE are not.  Plus the port spacing is huge.  That is the 1.8L gasket chilling on there.

[carkrazed]

Looks like a BP-ZE or BP4W which is what we have here.

I'm guessing you picked up a gasket for a pre 99 miata. BP05 style.

Heads were changed on the 99 miata.

Whats this going in? The NB head flows better so you could swap one on.

[pitobread]

I have both a 96 and a 99 Gasket here, both too narrow.  But the 99 fits slightly better as in the port height is correct.  Still way off though.

It looks like a BP tho !@#$%

[carkrazed]

hmmmm......what a perplexing perplexity

Stand by

[carkrazed]

Wait a sec...........is that a rail and injectors mounted on the throttle bodies?

[pitobread]

Yes.  Dual injectors too! 

[carkrazed]

Well.......seeing as how Mazda B series engines have the injector bosses in the head, what made you think this would work on one?

[pitobread]

Lots of ITB setups move the injector closer to the throttle blade and use plugs to button up the head, Fuji/OER for one example.

[carkrazed]

Interesting. Never seen any miata setups like that. 

[Joseph Davis]

Get Weir in here.  He might recognize... he is dah flange masta