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BCDD

https://www.classiczcars.com/gallery/image/12006-bcdd/

This is the BCDD on the 1980 280ZX Intake. Does anyone know what the function of the BCDD is or if there is another name for it?

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https://www.classiczcars.com/gallery/image/12006-bcdd/

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deadflo

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April 13, 200519 yr

comment_9112

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Its called the Boost controlled deceleration device. Its an emmissions deal that keeps the revs up a bit when you let off the gas, so hydrocarbonms are burned more completely. I took mine off when i put on a larger throttle body.

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Mikuni HSR45 x 6 with ITG filters

I know a few people were following along on this- been a while since I last posted here- but finally all came together!
Mounted up and running strong! Still a few details to work out; but runs good, sounds good, feels good on the initial pulls. Super happy it worked out!

Demo243

May 16, 2024May 16
Mikuni HSR45 x 6 with ITG filters

Fun!

duffymahoney

December 17, 20231 yr
Mikuni HSR45 x 6 with ITG filters

Well I decided to go for it -

Went with 42's and a TWM manifold. Still lots to sort out, but Ill start another thread on it somewhere and link it back here. Rought calculations hopefully put it in between an OER setup and a Mikuni PHH setup $wise.

Demo243

December 16, 20231 yr
Mikuni HSR45 x 6 with ITG filters

I would probably do them in pairs, then each pair goes to a common shaft.

duffymahoney

December 7, 20231 yr
Mikuni HSR45 x 6 with ITG filters

Part of running a single shared throttle shaft was for a super clean look- like how datsun_tokyo linked above has it.
I also still haven’t decided on the manifold- but was planning on the TWM one- seems to be the cleanest and allows me to run without all the linkages.

With that said I’m interested- I’ll shoot you PM.

Demo243

December 6, 20231 yr

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BCDD

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Big Z Photo Collection

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deadflo

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Mikuni HSR45 x 6 with ITG filters

Mikuni HSR45 x 6 with ITG filters

Mikuni HSR45 x 6 with ITG filters

Mikuni HSR45 x 6 with ITG filters

Mikuni HSR45 x 6 with ITG filters

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