12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHAir box mod- Heinholz delete
Reported or suspected cause
extra air the engine is getting
Suggestion or failed attempt
No successful repair reported for this finding.
0
Identified cause
1
Suspected cause
0
Reported fixes
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Suspected cause · Original poster
I think that is due to the extra air the engine is getting that isn�t being seen by the MAF.
Leading evidence: 'extra air the engine is getting' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'extra air the engine is getting' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Run bit lean' (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.
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Suggestion · Original poster
Runs great when warmed up but I suspect it will be running a bit lean.
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Suggestion · Original poster
I plan to block off that port tomorrow with a plug and run the mod the proper way 😁
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Suggestion · Original poster
1.Use piece of a soda can cut large enough to cover the hole.
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.
12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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I have read about all the different methods of air box mods but I wanted my setup to look stock. After doing this I am happy with the added intake noise but I�m Not sure if this method is kosher for proper MAF readings.
1. remove air box and separate the 2 halfs
2. remove heinhoz box with 3 screws
3. Cut off the neck of the Heinholz box flush with the body
4. de-bur with sand paper
5. snap neck back into the air box lid.
6.pin the neck with 2 small screws to prevent the neck from pushing out the bottom while attaching the intake hose
6. re assemble air box and put back into the car.
easily returnable to stock with some 5 minute epoxy if desired. Sounds great but I did notice on a cold start the engine didn�t idle all the smooth. I think that is due to the extra air the engine is getting that isn�t being seen by the MAF. Opinions welcome.
Merry Christmas
You can't run it like that !!! You have ruined the air flow measurement of the MAF sensor.
The other ways of modding the air box found here on this forum are legit.
Runs great when warmed up but I suspect it will be running a bit lean. I plan to block off that port tomorrow with a plug and run the mod the proper way 😁
Update. This will now be called the soda can mod. Here is the revision to make this work as intended without bypassing the MAF and look 100% stock.
1.Use piece of a soda can cut large enough to cover the hole.
2. Use welders glue and sandwich the metal between the heinholz box and the neck.
3. Tighten down heinholz box to the intake housing and re assemble intake hoses
This is essentially the same result as the orange cap mod without needing to buy a new intake hose and it keeps the stock look.
I'm curious what the desire for keeping the stock look is? No judgement here!
I did the mod with a set from Flat6. Love it.
https://flat6motorsports.com/collect...intake-kit-996
I think I was mainly just being cheap. After weighing the pros and cons of this technique I have decided to just order a new intake boot and cap the silencer box the traditional way. Sometimes re inventing the wheel isn�t worth it 😂
This is a source reference. Confirm exact model applicability in the original material.
