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| New best at the track http://mustangclubofmd.com/phpbb/viewtopic.php?f=13&t=1479 |
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| Author: | Boss281 [ Tue Oct 16, 2007 7:38 pm ] |
| Post subject: | New best at the track |
I've been struggling with a poorly operating Hurst shifter and an aftermarket clutch that defied proper bleeding, but both have been fixed. I put my factory shifter back in and bled the devil out of the clutch, and both performed fine at the track Sunday Oct 14th (Mason-Dixon Dragway). Here are the numbers: 60----1/8---mph--1/4------mph 1.741 8.395 83.88 13.060 109.33 (granny shift normally) 1.724 8.300 82.32 12.911 110.33 (granny shift FAST, best ET and MPH) 1.742 8.309 84.56 12.967 109.47 (speed shift, missed 1-2 shift) I was hooking ok, nowhere near the usual 1.68-1.7, and top speed was great, but I was still choking in the middle. After getting home, I discovered that the setting on my Raptor shift light was set to 5700, NOT at 6200. I don't have a clue who could have done this, much less when. It's something I've haven't checked since after the initial install but guess I should have. Since my rev limiter in the tune is set to 6500 , I thought I was shifting at 6200, 50 rpms below where the software kicks in a lean condition 250rpms below the rev limit. But I've been apparently shifting all season 400rpm below peak power (~6100 on my dyno sheet: http://i156.photobucket.com/albums/t...n/dynocams.jpg). I may head down to MIR this weekend to race in the Ford event and see if I can shave a few more tenths off the times... John |
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