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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning Help! New blower, HPX....
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<blockquote data-quote="Don 95Vert" data-source="post: 13393030" data-attributes="member: 15121"><p>Actually, I have had quite a few EEC IVs and early Cobras/GTs that are #mass/tic PCMs that hit a hard airflow limit. Greg B. told me years ago he seems to think it may be a fuel flow limit, but I disagree. I was credited as 'discovering' this on the SCT Dealer's forum. We had a number of higher HP vehicles in the 500ish RWHP area that just went lean for no reason. Scaling the tunes made this go away. Jerry W. also confirmed this way back when. So, if a vehicle is going to be one of the ones that MAY be over the limit, because you never know power at the end of the tune, I just go ahead and scale them because it stops issues on down the road and it does no harm at all. Certainly it would not result in a vehicle being rich with adjustments to the MTF doing nothing. I have probably done >100 vehicles #mass/tic vehicles like this with no issues whatsoever. Don't know what the airflow limit is, I just know it is there. This has saved many a headache among tuners who frequent the dealer's forum. </p><p></p><p>Don</p></blockquote><p></p>
[QUOTE="Don 95Vert, post: 13393030, member: 15121"] Actually, I have had quite a few EEC IVs and early Cobras/GTs that are #mass/tic PCMs that hit a hard airflow limit. Greg B. told me years ago he seems to think it may be a fuel flow limit, but I disagree. I was credited as 'discovering' this on the SCT Dealer's forum. We had a number of higher HP vehicles in the 500ish RWHP area that just went lean for no reason. Scaling the tunes made this go away. Jerry W. also confirmed this way back when. So, if a vehicle is going to be one of the ones that MAY be over the limit, because you never know power at the end of the tune, I just go ahead and scale them because it stops issues on down the road and it does no harm at all. Certainly it would not result in a vehicle being rich with adjustments to the MTF doing nothing. I have probably done >100 vehicles #mass/tic vehicles like this with no issues whatsoever. Don't know what the airflow limit is, I just know it is there. This has saved many a headache among tuners who frequent the dealer's forum. Don [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning Help! New blower, HPX....
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