Takeoff Lag
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Senior Member
Joined: Jul 1999
Posts: 389
Likes: 0
From: Milford, OH
Takeoff Lag
My truck seems to lag at takeoff lately. I used to have enough power to just about spin the tires but now it seems gutless. Its alright after taheoff but from a stop it seems to lack some power. I put new plugs in last fall and plug wires in the spring so I doubt they are bad. I'm not sure what else it could be. Any ideas?
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97 F-150 S/C 4x4 ORP XLT 4.6 K&N , Flowmaster w/dual tailpipes, Bosch+4 plugs,Ford 9mm wires,Superchip.Patriot fiberglass toneau cover, Westin chrome step bars. Rear seat lift 4".
Kenwood 4011 stereo, USAcoustics 2150 amp, Profile electronic 3 way crossover, 2 10" IDQ DVC's.
FUTURE STEREO MODS:
Memphis components in front, Pioneer 3ways in rear, amp for the components, and a cd changer.
FUTURE PERFORMANCE MODS:
4.10 gears, Edlebrock shocks, supercharger, Airaid, power pulleys.
OTHER FUTURE MODS:
Ram Air hood w/functional ram air, suspension lift, 16.5" polished wheels, 35" tires, and sunroof.
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97 F-150 S/C 4x4 ORP XLT 4.6 K&N , Flowmaster w/dual tailpipes, Bosch+4 plugs,Ford 9mm wires,Superchip.Patriot fiberglass toneau cover, Westin chrome step bars. Rear seat lift 4".
Kenwood 4011 stereo, USAcoustics 2150 amp, Profile electronic 3 way crossover, 2 10" IDQ DVC's.
FUTURE STEREO MODS:
Memphis components in front, Pioneer 3ways in rear, amp for the components, and a cd changer.
FUTURE PERFORMANCE MODS:
4.10 gears, Edlebrock shocks, supercharger, Airaid, power pulleys.
OTHER FUTURE MODS:
Ram Air hood w/functional ram air, suspension lift, 16.5" polished wheels, 35" tires, and sunroof.
Senior Member
Joined: Jul 2000
Posts: 242
Likes: 0
From: Never Never Land
It's possible your injectors are getting clogged. Try a bottle of STP System cleaner in a tank of gas, even if that is not the cure, it will help your injectors and valves. I've been using these products in my 86 5.0 about every 5-6,000 miles and haven't had any injector problems whatsoever. I believe the $8 is well worth it.
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2000 Sport,Black,5.4L, 3.55 LS,Rear 2in drop, Gibson Super truck, K&N. 86 5.0 Mustang LX w/off road h-pipe, Borla catback, FMS 65mm TB, K&N, 180 Degree thermostat,14 Degrees timing
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2000 Sport,Black,5.4L, 3.55 LS,Rear 2in drop, Gibson Super truck, K&N. 86 5.0 Mustang LX w/off road h-pipe, Borla catback, FMS 65mm TB, K&N, 180 Degree thermostat,14 Degrees timing
Senior Member
Joined: Mar 2000
Posts: 411
Likes: 0
From: Pa
wolvrin
I have the same prob. A ego change improved it, but it's not fixed. I'll post when I find the prob.
Jeff
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97 Lariet-sc-4.6-4x off road-auto-3.55 LS-
superchip-K&N-3"
pvc air box mod-Granetelli MAF
I have the same prob. A ego change improved it, but it's not fixed. I'll post when I find the prob.
Jeff
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97 Lariet-sc-4.6-4x off road-auto-3.55 LS-
superchip-K&N-3"
pvc air box mod-Granetelli MAF
Senior Member
Joined: Mar 2000
Posts: 411
Likes: 0
From: Pa
I used 3 bottles of Chevron Techron in a full tank. The prob got better but it's still not fixed. Have been using Techron now & then since. I just installed a set of SVO plug wires & didn't leave the driveway so I don't know what that will do yet.
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97 Lariet-sc-4.6-4x off road-auto-3.55 LS-
superchip-K&N-3"
pvc air box mod-Granetelli MAF
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97 Lariet-sc-4.6-4x off road-auto-3.55 LS-
superchip-K&N-3"
pvc air box mod-Granetelli MAF