1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

interest in EFI style intake for 12A's?

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Old 01-11-04, 02:32 AM
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interest in EFI style intake manifold for 12A's?

so i'm just gauging interest here, but if there were to be a production run of some 12A efi intake manifolds... would anyone be interested??


I'm thinking something along these lines...

could do them polished, stainless... cheap *** carbon steel... you tell me, but if i see enough interest, you might see a number of them to sell

Last edited by Stoops417; 01-11-04 at 02:47 AM.
Old 01-11-04, 06:26 AM
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I've seen that before, it looks like it would flow very poorly.
Old 01-11-04, 03:12 PM
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i agree, but i would modify the plenum to smooth out the flow to the runners... i would spend some time refining the production peices, i'm just curious if there is any point in makeing more than just one for myself.
Old 01-11-04, 03:20 PM
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I think if someone really wanted an EFi manifold for their 12A their best bet would be to buy a Weber IDA lower manifold for their car found on ebay for $179, and at racing beat/mazdatrix for at a better quality for $250...

and then bolt to that an injection perfection Weber IDA style Throttle body for $550
Old 01-11-04, 03:55 PM
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thats how I would do it.
Old 01-11-04, 04:01 PM
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that would be my choice also.
Old 01-11-04, 08:17 PM
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From what I've seen log style plenums work alright for forced induction applications but I don't think it's a very good idea for n/a where flow is everything.
Old 01-11-04, 09:01 PM
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You are correct. By the looks of the intake pictured above, it wouldn't really be good for anything.. let alone pressure charged engines

Believe it or not, there is alot more than goes into intake design then just welding tubing together.... it is called math...
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