Dyno results, is this A/F too lean? Need help!
3rd Gear Member
Joined: Aug 2005
Posts: 882
From: New Braunfels, TX
RE: Dyno results, is this A/F too lean? Need help!
ORIGINAL: UrS4
Scrambler,
I haven't yet and honestly I don't know if I will. I have been emailing Evo asking about newer tunes and I haven't gotten a reply at all and it has been a full week. Whenever I have emailed Brenspeed or other tuners, mustang parts dealers (Steeda), they have responded within one day. I don't mean to bag on Fred, but I think all this success and his new focus on getting his GT500 into the 9s in the quarter has made him forget about the bread and butter GT guys that made his business grow.
But at this point scrambler I don't know if it is the best use of my time and money to deal with Fred anymore regarding mail order 'custom' tunes. If I send him the dyno sheet, if he ever gets back to me, and I have to reflash my car back to stock, send him the handheld which I am sure I will pay the shipping, wait for him to put a new tune in or adjust the old one which he may charge me for too, then wait for him to ship it and then put the tune in and then what? Since the A/F was off to begin with, I will be going back to the dyno to double check the A/F because I am paranoid about Freds tunes and mail order tunes for that matter now. All that time and money will be more than just going back to the dyno and having two new tunes put in that are guaranteed safe for only another 190 bucks.
Scrambler,
I haven't yet and honestly I don't know if I will. I have been emailing Evo asking about newer tunes and I haven't gotten a reply at all and it has been a full week. Whenever I have emailed Brenspeed or other tuners, mustang parts dealers (Steeda), they have responded within one day. I don't mean to bag on Fred, but I think all this success and his new focus on getting his GT500 into the 9s in the quarter has made him forget about the bread and butter GT guys that made his business grow.
But at this point scrambler I don't know if it is the best use of my time and money to deal with Fred anymore regarding mail order 'custom' tunes. If I send him the dyno sheet, if he ever gets back to me, and I have to reflash my car back to stock, send him the handheld which I am sure I will pay the shipping, wait for him to put a new tune in or adjust the old one which he may charge me for too, then wait for him to ship it and then put the tune in and then what? Since the A/F was off to begin with, I will be going back to the dyno to double check the A/F because I am paranoid about Freds tunes and mail order tunes for that matter now. All that time and money will be more than just going back to the dyno and having two new tunes put in that are guaranteed safe for only another 190 bucks.
Thread Starter
4th Gear Member
Joined: Mar 2006
Posts: 1,313
From: CA
RE: Dyno results, is this A/F too lean? Need help!
The general consensus is that I should be at an A/F of 12.8-13.2 before the cat. And that if this dyno shop only uses tailpipe readings to tune, I should find another shop because it would be the best tune for the car because after the cat the A/F can change drastically, right????
Oh and I checked when I sent that email to Fred, it was about two weeks ago, so the holiday shouldn't have affected his slow response time.
Oh and I checked when I sent that email to Fred, it was about two weeks ago, so the holiday shouldn't have affected his slow response time.
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tj@steeda
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Sep 24, 2015 09:18 PM
