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Livernois Motorsports | Cylinder Head Porting for the Serious Power Addict
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<blockquote data-quote="tt335ci03cobra" data-source="post: 16120586" data-attributes="member: 68944"><p>I love mine, car has very slight drivability trade offs for 8000rpm potential. Cold start blip gas, float idle 10 seconds or so. Keep about 2500rpm when long haul cruising. Blip throttle if idling 30 seconds. Otherwise it drives fine at operating temps over 100° coolant temp with oil pressure in the 50psi or lower range.</p><p></p><p>Car makes 800-815whp from 6250-7500 on pump gas, stock ecu and 10psi with 700wtq at 4750. Makes 300wtq by 2500 (feels like a stock coyote until 2500). Over 400wtq at 3-3500 depending how much boost it’s getting. If I brake boost, it spools up 10psi at 3000-3500 and pulls real good. My 40-120 roll, I’ll brake boost for 5psi at 3500rpm. 90mph grab 3rd, let out at about 8k/125mph. Combo in sig but if it doesn’t appear, here’s a quick list.</p><p></p><p>•9.3/1 comp</p><p>•5.3 bb stroker</p><p>•stage 3 gt500 head with stage 3 mmr cam</p><p>•fr500c intake</p><p>•62/65 t4 turbos</p><p>•t56 stock ecu sct xcal2</p><p>•McLeod street twin disc.</p><p></p><p>Easy driving I can hit 20mph on a tank mostly highway driven or about 12-15 mostly city. Stop and go traffic it drinks gas though, maybe 5-10mpg in stop/go crap. I can watch the needle move in just 2-3 blocks of heavy traffic.</p></blockquote><p></p>
[QUOTE="tt335ci03cobra, post: 16120586, member: 68944"] I love mine, car has very slight drivability trade offs for 8000rpm potential. Cold start blip gas, float idle 10 seconds or so. Keep about 2500rpm when long haul cruising. Blip throttle if idling 30 seconds. Otherwise it drives fine at operating temps over 100° coolant temp with oil pressure in the 50psi or lower range. Car makes 800-815whp from 6250-7500 on pump gas, stock ecu and 10psi with 700wtq at 4750. Makes 300wtq by 2500 (feels like a stock coyote until 2500). Over 400wtq at 3-3500 depending how much boost it’s getting. If I brake boost, it spools up 10psi at 3000-3500 and pulls real good. My 40-120 roll, I’ll brake boost for 5psi at 3500rpm. 90mph grab 3rd, let out at about 8k/125mph. Combo in sig but if it doesn’t appear, here’s a quick list. •9.3/1 comp •5.3 bb stroker •stage 3 gt500 head with stage 3 mmr cam •fr500c intake •62/65 t4 turbos •t56 stock ecu sct xcal2 •McLeod street twin disc. Easy driving I can hit 20mph on a tank mostly highway driven or about 12-15 mostly city. Stop and go traffic it drinks gas though, maybe 5-10mpg in stop/go crap. I can watch the needle move in just 2-3 blocks of heavy traffic. [/QUOTE]
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