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SVTPerformance's Chain of Restaurants
A Taste of Home
Mid-Atlantic Cobra Association
Mammoth KB 2.8 Results
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<blockquote data-quote="Antex" data-source="post: 6636314" data-attributes="member: 10972"><p>Results? Yes the results are in plus data comparisons between the 2.6L, 2.8HO, and now the Mammoth 2.8. Don't ask me how I went from a lil old ham & egg'er bracket racer with an upper only unported eaton to having now owned 3 top notch Kenne Bell's....:stars: </p><p></p><p>All Dyno results are/have been on Evolution Performance's Mustang Dyno, all tuning has been done by Jon Lund, <strong>no</strong> other changes except the blowers. </p><p></p><p>After staring at the mammoth inlet, TB, & 4.5" tubing the first thing Jon did was add fuel, lots of fuel. This thing was leaning out at idle...lol We started out with the 3.75/4 combo and found this produced 21.7lbs of boost, 20 deg timing, & 11.5 a/f (I'm pretty sure I've got the timing & a/f in range, will correct if off). Here is where we could've stopped because the numbers were better than the 2.6L <strong>610/629</strong> @ 22.8 boost, 11.8 a/f, & 23'ish timing, it also was better HP wise than the 2.8H <strong>702/706</strong> @ 25.8 boost, 11.8 a/f, & 22.5 timing. The Mammoth numbers were <strong>718/651</strong>. </p><p></p><p>Next pull we went with the 3.5/4 combo, this produced 23.9 boost, 22 timing, 11.6 a/f = <strong>748/691</strong>. Final combo change to 3.25/4 gave 26.5 boost, 22 timing, 11.6 a/f = <strong>759/722</strong>. All corrected Mustang Dyno numbers.</p><p></p><p>IAT2 temps all were in the 104-114 range, and I'm still using the prefab IC box. </p><p></p><p>[ATTACH=full]857369[/ATTACH]</p><p></p><p></p><p>A Big Thanks goes out to Jon Lund@Lund Racing, Evolution Performance - their bays are always full with GT 500's & Cobra's, Jason@CSS(trbovnm), and Bill@BillsAutoPerformance (wiseguy) for rebuilding the T-56 and keeping 'er going.</p></blockquote><p></p>
[QUOTE="Antex, post: 6636314, member: 10972"] Results? Yes the results are in plus data comparisons between the 2.6L, 2.8HO, and now the Mammoth 2.8. Don't ask me how I went from a lil old ham & egg'er bracket racer with an upper only unported eaton to having now owned 3 top notch Kenne Bell's....:stars: All Dyno results are/have been on Evolution Performance's Mustang Dyno, all tuning has been done by Jon Lund, [B]no[/B] other changes except the blowers. After staring at the mammoth inlet, TB, & 4.5" tubing the first thing Jon did was add fuel, lots of fuel. This thing was leaning out at idle...lol We started out with the 3.75/4 combo and found this produced 21.7lbs of boost, 20 deg timing, & 11.5 a/f (I'm pretty sure I've got the timing & a/f in range, will correct if off). Here is where we could've stopped because the numbers were better than the 2.6L [B]610/629[/B] @ 22.8 boost, 11.8 a/f, & 23'ish timing, it also was better HP wise than the 2.8H [B]702/706[/B] @ 25.8 boost, 11.8 a/f, & 22.5 timing. The Mammoth numbers were [B]718/651[/B]. Next pull we went with the 3.5/4 combo, this produced 23.9 boost, 22 timing, 11.6 a/f = [B]748/691[/B]. Final combo change to 3.25/4 gave 26.5 boost, 22 timing, 11.6 a/f = [B]759/722[/B]. All corrected Mustang Dyno numbers. IAT2 temps all were in the 104-114 range, and I'm still using the prefab IC box. [ATTACH=full]857369[/ATTACH] A Big Thanks goes out to Jon Lund@Lund Racing, Evolution Performance - their bays are always full with GT 500's & Cobra's, Jason@CSS(trbovnm), and Bill@BillsAutoPerformance (wiseguy) for rebuilding the T-56 and keeping 'er going. [/QUOTE]
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