Dumb Question...... What is shift flare ??????? - Diesel Forum

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Dumb Question...... What is shift flare ???????

Upgrades and Aftermarket - 99 & up 7.3L Engine Upgrading or adding OEM or aftermarket equipment to your 1999-Up Super Duty or Excursion with 7.3L Power Stroke diesel engine. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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08-01-2006, 03:39 PM	#1 (permalink)
remedm Senior Member Join Date: Sep 2005 Location: Ohio Posts: 490 My Photos: (0) Feedback Score: 0 reviews	Dumb Question...... What is shift flare ??????? Sorry I not a tranny guy [img]/ubbthreads/images/graemlins/shrug.gif[/img] [img]/ubbthreads/images/graemlins/shrug.gif[/img] __________________ 2002 CC F-350 SB SRW 4X4 TOREADOR RED DP-TUNER NO-START, MOD STOCK, HIGH IDLE, DRIVE THRU, 40 TOW, DECEL, 60 TOW, 60 ECON, 80 ECON, AND RACE BTS TRANNY (NUFF SAID) ; 6.0 COOLER DIESELSITE BOOST RELIEF VALVE, 203^ THERMOSTAT AND HOUSING, MAX A/C VALVE AND COOLANT FILTER ATS TURBO HOUSING, FORD A.I.S., OILGUARD BY-PASS, 4" MAGNAFLOW STRAIGHT PIPE, SIDE EXIT, NCHORNET'S CCV MOD, POR-15 OIL PAN ISSPRO A-PILLAR PYRO/BOOST/TRANS, ISSPRO ENGINE, OIL TEMP AND VOLTS OVER MIRROR MARINCO MOD, LED ID BAR, HEATED SIGNAL MIRRORS, LED BRAKE AND TURN SIGNAL BULBS FRONT AND REAR RHINO BED LINER, SIRIUS RADIO , AMERICAN EAGLE WHEELS WITH 305-70-16 NITTO TERRA GRAPPLERS WITH A 2" DONAHOE LEVELING KIT TRUCK BUILD DATE 1/8/02 BTS BUILD DATE 1/8/07 AT 41K My Truck

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08-01-2006, 05:03 PM	#2 (permalink)
ACD2 Senior Member Join Date: Aug 2004 Posts: 1,379 My Photos: (0) Feedback Score: 0 reviews	Re: Dumb Question...... What is shift flare ??????? Watch your RPMS when shifting from second to third and third to fourth. You will see the shift and then watch the rpms slowly drop until the TC lockup fully occurs. It is about a 3-400 rpm swing. You are still accelerating, but the TC lockup disks are slipping and creating heat, all the while wasting fuel. __________________ DD 2010 Ford Fusion *Sport* relegated to garage duty U.S.N. Paradise BB91904 '99 F350 CC LWB DRW Mods, *SuperHyper Improbability drive stage II.* Hypermax 5" turbo back system, triple pillar guages, Heater core shutoff. AEM Brute Force intake. 3.73 gearing. DP PCM with 80HP Installed!

08-02-2006, 06:49 AM	#3 (permalink)
Casey_1 Senior Member Join Date: Jul 2003 Location: Arizona Posts: 2,726 My Photos: (1) Feedback Score: 0 reviews	Re: Dumb Question...... What is shift flare ??????? Shift flare is when the RPM briefly increases on an upshift. RPMs should always decrease on an upshift.

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