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What does emis mean?

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6 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCHWhat does emis mean?

Leading reported evidence

Run either one or is it specific

Suggestion or failed attempt

No successful repair reported for this finding.

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Reported fixes
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Unsuccessful attempts
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Discussions
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Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

would it cause problems to run either one or is it specific?

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What does emis mean?
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Leading evidence: 'Run either one or is it specific' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Run either one or is it specific' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

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1 matching discussions · 6 captured posts examined · 0 partial discussions

Frequently discussed actions (1)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Run either one or is it specific

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion · Original poster

would it cause problems to run either one or is it specific?

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What does emis mean?
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

6 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T144035Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

I was looking for a new cylinder head for my 99 and there is a w/o and w/emis. Does anyone know what this is reffering to? Thanks

POST 2Original post

emis must be short for emissions so w/o must be without secondary air injection passageways in exhaust ports

POST 3 / ORIGINAL POSTEROriginal post

would it cause problems to run either one or is it specific?

POST 4Original post

You need the USA head with sec. air injection (sai ) to match the other head unless it is a track car with sai removed. I would call or e-mail Flat6innovations to buy a used or rebuilt head.

POST 5Original post

With emis ( yiddish translation, "emis" means truth)...don't think they meant that......then it could have been "tsimmis"...those crunchy bits of chicken skin....probably didn't mean that either....so, my guess would be emission related..........

POST 6Original post

Quotes source post: 9299138

For US and Canada cars you will need the "w/emis". US and Canada cars got stricter emissions (i.e. air pumps).

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