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SVTPerformance's Chain of Restaurants
Time Slip Bar
03 Cobra with a TVS TQ concern with dyno sheet and data log
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<blockquote data-quote="SVT_Troy" data-source="post: 15743215" data-attributes="member: 124907"><p>What is causing my TQ to roll over around 4500rpm versus staying flat like most S/C'd vehicles?</p><p></p><p>I recently had my car re-tuned after changing over to a return system. I have not had this engine/blower setup on the dyno prior for comparison. The car runs wonderfully, infact if i hadn't decided on putting it on the dyno to do a pre/post E85 pull on the dyno i would have never thought there was an issue.</p><p></p><p>I think these are all the pertinent details needed to make a assessment but if not ask away. I have built this car myself top to bottom.</p><p></p><p>Attached below is a copy of the dyno pulls and the data log for these pulls.</p><p></p><ul> <li data-xf-list-type="ul">Tuner: Kevin Dunn aka 04lsleeper</li> <li data-xf-list-type="ul">93 Octane</li> <li data-xf-list-type="ul">Target AFR 11.4 with 18* timing</li> <li data-xf-list-type="ul">Dyno: Dynojet 224X</li> <li data-xf-list-type="ul">Aluminator shortblock</li> <li data-xf-list-type="ul">Fox Lake Ported heads with crower springs, titanium retainers, ferrea SS valves</li> <li data-xf-list-type="ul">Ford GT cams (degreed at Intake 108° Exhaust 114°)</li> <li data-xf-list-type="ul">TVS</li> <li data-xf-list-type="ul">3.0 upper/stock lower (making just under 16psi)</li> <li data-xf-list-type="ul">GT500 TB</li> <li data-xf-list-type="ul">SCT BA2600 MAF</li> <li data-xf-list-type="ul">JLT high boost intake</li> <li data-xf-list-type="ul">ARH 1 3/4" headers O/R X-pipe necked down to 2.5 Borla catback</li> </ul><p></p><p>[ATTACH=full]1444353[/ATTACH]93 Octane dyno sheet by <a href="https://www.flickr.com/photos/152506543@N04/" target="_blank">Troy</a>, on Flickr [ATTACH=full]1444354[/ATTACH]Untitled by <a href="https://www.flickr.com/photos/152506543@N04/" target="_blank">Troy</a>, on Flickr</p></blockquote><p></p>
[QUOTE="SVT_Troy, post: 15743215, member: 124907"] What is causing my TQ to roll over around 4500rpm versus staying flat like most S/C'd vehicles? I recently had my car re-tuned after changing over to a return system. I have not had this engine/blower setup on the dyno prior for comparison. The car runs wonderfully, infact if i hadn't decided on putting it on the dyno to do a pre/post E85 pull on the dyno i would have never thought there was an issue. I think these are all the pertinent details needed to make a assessment but if not ask away. I have built this car myself top to bottom. Attached below is a copy of the dyno pulls and the data log for these pulls. [LIST] [*]Tuner: Kevin Dunn aka 04lsleeper [*]93 Octane [*]Target AFR 11.4 with 18* timing [*]Dyno: Dynojet 224X [*]Aluminator shortblock [*]Fox Lake Ported heads with crower springs, titanium retainers, ferrea SS valves [*]Ford GT cams (degreed at Intake 108° Exhaust 114°) [*]TVS [*]3.0 upper/stock lower (making just under 16psi) [*]GT500 TB [*]SCT BA2600 MAF [*]JLT high boost intake [*]ARH 1 3/4" headers O/R X-pipe necked down to 2.5 Borla catback [/LIST] [ATTACH=full]1444353[/ATTACH]93 Octane dyno sheet by [URL='https://www.flickr.com/photos/152506543@N04/']Troy[/URL], on Flickr [ATTACH=full]1444354[/ATTACH]Untitled by [URL='https://www.flickr.com/photos/152506543@N04/']Troy[/URL], on Flickr [/QUOTE]
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SVTPerformance's Chain of Restaurants
Time Slip Bar
03 Cobra with a TVS TQ concern with dyno sheet and data log
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