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vortec 350 flutter in 2nd gear

Old Jun 12, 2013 | 11:41 PM
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evilemokid94's Avatar
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From: Elwood, IN
Car: 1986 camaro Sports Coupe
Engine: L31 350
Transmission: 89 700R4
Axle/Gears: 3.42 gov lock
vortec 350 flutter in 2nd gear

I'm having an issue with my newly rebuilt motor. The issue Im having is that if I get into the gas or go WOT it runs fine through 1st, but at the end of 2nd the motor starts to flutter in and out like its not getting enough gas to accelerate more. Iv put in a new distributer, rebuilt my carb, installed a new carb fuel pump and ask still getting the same issue. Any advice or know where I can look?
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Old Jun 14, 2013 | 12:50 AM
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evilemokid94's Avatar
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From: Elwood, IN
Car: 1986 camaro Sports Coupe
Engine: L31 350
Transmission: 89 700R4
Axle/Gears: 3.42 gov lock
Re: vortec 350 flutter in 2nd gear

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Old Jun 14, 2013 | 03:58 PM
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From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: vortec 350 flutter in 2nd gear

Originally Posted by evilemokid94
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So what happens if you do a run through 2nd gear only? Ie a 15 mph roll or something? Same thing?
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Old Jun 14, 2013 | 08:40 PM
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evilemokid94's Avatar
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From: Elwood, IN
Car: 1986 camaro Sports Coupe
Engine: L31 350
Transmission: 89 700R4
Axle/Gears: 3.42 gov lock
Re: vortec 350 flutter in 2nd gear

Same thing
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Old Jun 14, 2013 | 10:18 PM
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Re: vortec 350 flutter in 2nd gear

Where are in the timing??. Locked dizzy??.36 degrees total??. All in by 2500??.

You said you put on a new pump,but didn't say what kind or brand or what the fuel pressure is while it is acting up.

Last edited by 1gary; Jun 14, 2013 at 10:22 PM.
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