Re: [16V FUEL ENRICHMENT] The Verdict.

[16v Jason <jason@scirocco.org>]

Oh! And just for the record, for those of you who are worried -- This 
module was *not* a store-bought module, nor was it a Brian Honnold 
Enrich-o-Matic (TM).  :)

Jason





At 12:58 PM 8/11/00 , you wrote:
>Not to be outdone, Mr. Wizard (aka Ms. Jason) has performed a highly 
>controlled scientific experiment regarding the merits of a fuel enrichment 
>module.
>
>The Victim:  A non-RPM sensing fuel enrichment module submitted for 
>independent testing by none other than Ben Harder.  The unit has not yet 
>been tested for its functionality (as someone has borrowed my Multimeter), 
>but it makes a cute clicking noise when full throttle is activated.  It 
>also causes horrible cold-starting problems on my car -- so a test of the 
>unit will follow.
>
>The Tester:  My '87 16v.  According to Mr. DPR, my car is on the LEAN side 
>of normal, and power drops off precipitously after 6000rpm, as seen in my 
>dyno results (see my page), and felt by my ass. Therefore, this car is an 
>ideal candidate for testing the unit.
>
>The Meter:  G-Tech unit, set to measure "HP".  I entered an arbitrary 
>weight (2600lb in this case), and did not switch the unit off or position 
>it between control & test runs.
>
>Location:  5 runs were performed from exactly the same 5 spots on a road, 
>all in 1st gear within 10 minutes of each other.
>
>Methodology:  Start G-Tech, apply full throttle in 1st gear, and let up 
>when the rev limiter kicks in.  The car was driven on exactly the same 
>3-mile route (starting from normal operating temperature) immediately 
>previous to the two tests, eliminating the effects of overheating of the 
>engine compartment and the intake of hot air.  Between Test and Control 
>groups, the engine was switched off for about one minute, following which 
>it was allowed to idle for one minute, and then driven 3 miles to 
>eliminate any after-start enrichment.
>
>Results:  Both groups of 5 runs were averaged, yielding the following results:
>
>CONTROL (without enrichment):   81.25 HP
>TEST (with enrichment):         81.30 HP
>
>Conclusion:  The 0.05 difference in HP readings is insignificant, and 
>could easily be due to the considerable deviation (about 10HP) from run to run.
>
>However:  The 6000-rpm drop-off does seem to be considerably less with the 
>fuel enrichment device, however this is a seat-of-the-pants observation, 
>and not confirmed by Dyno.  Therefore, my conclusion is that while this 
>particular device does not increase peak HP output, it does help to boost 
>torque at very high rpms, which in practice will lead to slightly improved 
>acceleration and a raised top-speed.
>
>This experiment will be repeated on a dyno as soon as possible, and I will 
>test the module for its function (and the exact enrichment values it adds) 
>as soon as I get my multimeter back -- hopefully Monday.
>
>Enjoy,
>Jason
>
>
>
>
>----------
>1987 Scirocco 16v
>1988 Mercedes 190E Sport Euro
>
>
>http://members.aol.com/rocco16v
>--
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----------
1987 Scirocco 16v
1988 Mercedes 190E Sport Euro


http://members.aol.com/rocco16v 

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