Quote:
Originally Posted by Dan Stokes
However, if your state measures NoX at the tailpipe (some do) that value will increase. Will it be too much to pass - you'll have to try it to see. And remember that it takes a lot to properly bypass EGR - manufacturers change cam specs, piston design, combustion chamber shape, and who know what else to build an emissions "system" - one component does not an emissions system make. And you're not likely to see much actual improvement from the EGR delete. People are really good at convincing themselves that some change made their car faster, give better fuel economy, etc. but actual lab-based back-to-back testing usually shows little or no change. In fact, scientific testing usually shows a negative effect on the very parameters the modifier was trying to improve.
Dan
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Hmmmm....almost warrants a different thread. First time I've read someone suggest that an EGR delete could be detrimental.
On my 602s, the EGR delete was a consequence of doing the wastegate mod. Very glad to have all the vacuum rat's nest removed from the passenger side of the engine. On my 606, I haven't deleted EGR yet but had planned to do so in conjunction with a chip tuning.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 161k miles
06 E320 CDI "Rutherford", Black on Tan, 180k mi, Stage 1 tune, tuned TCU
91 300D "Otis", Smoke Silver on Tan, 147k mi, wastegate conversion, ALDA delete
19 Honda CR-V EX 81k mi
Fourteen other MB's owned and sold
1961 Very Tolerant Wife
Last edited by shertex; 04-18-2014 at 04:58 PM.
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