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RPM drops at wide open throttle

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Old Mar 23, 2005 | 01:17 PM
  #1  
TransAm12sec's Avatar
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Joined: Aug 2002
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From: Milwaukee, Wisconsin
Car: 1982 Trans Am
Engine: LG4
Transmission: 200C
Axle/Gears: 3:73
RPM drops at wide open throttle

The car is a 1982 Trans Am. LG4 with an open element, smog pump taken out, 1 5/8 inch headers and a 3 inch catback, with a catco cat.

At wide open throttle from a stop, the car goes to 4500 without a problem in 1st gear. Around 4,000 in second, the rpms will stop moving and come down a few hundred. If I let off the gas, it will shift, and with the pedal back to the floor, the rpms continue to move to the redline. I don't know how it reacts at the top of third gear.

What's happening? The car got a tune up a few months ago. The open element may be clogged, but I don't have problems in first gear, only second.
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Old Mar 23, 2005 | 05:51 PM
  #2  
84L69TA's Avatar
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Joined: Sep 2000
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From: Glendale, AZ
Car: 4 Mopars total
Engine: Pentastar power
Transmission: T/F and New Process
Axle/Gears: Three 8 3/4's & one 9 1/4
Check for a clogged fuel filter, or a fuel pump starting to go poop.
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Old Mar 24, 2005 | 04:57 PM
  #3  
Marc 85Z28's Avatar
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From: MD
Originally posted by 84L69TA
Check for a clogged fuel filter, or a fuel pump starting to go poop.
Do a search. There have been at least 3 identical posts in the last month about this.
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Old Mar 26, 2005 | 04:39 PM
  #4  
TransAm12sec's Avatar
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Joined: Aug 2002
Posts: 2,076
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From: Milwaukee, Wisconsin
Car: 1982 Trans Am
Engine: LG4
Transmission: 200C
Axle/Gears: 3:73
Well, I assume a fuel filer isn't too expensive, any preference as far as which one to get?

How do I check to see if the fuel pump is dead?
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