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car wont go faster than 10 mph

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Old 04-01-2014, 05:23 PM
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Car: 1985 camaro berlinetta
Engine: carb'd lg4 305
Transmission: 700r4
Axle/Gears: 3.08's sonn to be 3.73's
car wont go faster than 10 mph

car wont go faster than 10 mph. i can rev it in park but it sounds sluggish and it hesitates alittle but when i put it in drive no matter how hard i press on the gas the rpm's wont pass roughly 1000. here's the story i was driving home from my friends house at night and i pressed on the gas when the light turned green and let off the gas, as soon as i let off it felt like the car died which it did five seconds later so i pulled over and came to a stop and went to put it in park and it made a zzzzzz sound when i tried at first. finally i tried to drive it and as soon as i turned it on a very strong burning smell started then when i tried to drive the kid following me said there was black smoke comin out the tailpipe.

any input or help would be great thanks

Last edited by casson4; 04-01-2014 at 05:30 PM.
Old 04-01-2014, 05:29 PM
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Car: 1984 Trans Am
Engine: LS1383 in work
Transmission: Magnum F
Axle/Gears: Zexel Torsen 3.73, 28-spline mosers
Re: car wont go faster than 10 mph

That sounds like you broke something.

Does it sound like a dinner bell ringing when you run it? Or do you hear any clicking or hammering sound from the motor at idle?
Old 04-01-2014, 05:35 PM
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Car: 1985 camaro berlinetta
Engine: carb'd lg4 305
Transmission: 700r4
Axle/Gears: 3.08's sonn to be 3.73's
Re: car wont go faster than 10 mph

that's the weird thing it doesn't sound any different when running, besides the slight hesitation when i rev it
Old 04-01-2014, 05:38 PM
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Car: 1985 camaro berlinetta
Engine: carb'd lg4 305
Transmission: 700r4
Axle/Gears: 3.08's sonn to be 3.73's
Re: car wont go faster than 10 mph

another thing i wanna add is that my torque converter has been unplugged for roughly 1xxx miles so could that also be part of the problem
Old 04-01-2014, 06:25 PM
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Car: 89' IROCZ
Engine: 5.7 L98
Transmission: 700r4
Re: car wont go faster than 10 mph

Check your trans fluid. Is it red or dark? Does it smell burnt? Any specks of bright metal?

Last edited by CEP89; 04-02-2014 at 06:36 AM.
Old 04-01-2014, 06:34 PM
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Car: '82 z28
Engine: L83 5.7
Transmission: 700r4-1985
Axle/Gears: 3.42 posi
Re: car wont go faster than 10 mph

plugged catalytic converter can cause that(if one is still in place)
Old 04-01-2014, 07:11 PM
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Car: 1985 camaro berlinetta
Engine: carb'd lg4 305
Transmission: 700r4
Axle/Gears: 3.08's sonn to be 3.73's
Re: car wont go faster than 10 mph

nope i have straight pipe
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