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#1 |
Registered User
Join Date: Feb 2009
Location: PA
Posts: 32
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Troubleshooting 350 flatspot- need forum help
Need your help ---
1. I've got a flat spot where the engine just dies (like you shut off the key) when trying to accelerate above 2000 rpm under load. 2. It starts fine, revs fine just sitting still with no load. Do you think it's carb or distributor related ? 3. Been thinking it may be stuck mech advance. Trying to decide where to start diagnosing first. Appreciate anyone's help. Details: 67 K20 rebuilt Chevy 350 Holley Truck Avenger 4bbl - 670cfm Mallory HEI distr |
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#2 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,621
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Re: Troubleshooting 350 flatspot- need forum help
Fuel pump!
Pull fuel line off carb and pump fuel into a jug. It should pump strong and fill the jug quickly. |
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#3 |
Registered User
Join Date: Oct 2009
Location: Gardnerville Nv No Mo Cali!!
Posts: 869
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Re: Troubleshooting 350 flatspot- need forum help
The first thing I'd check is the float level.
Could also be fuel filter or fuel pump. |
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#4 |
Registered User
Join Date: Dec 2009
Location: Arizona City, AZ
Posts: 747
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Re: Troubleshooting 350 flatspot- need forum help
Might help to know if this just started? I have seen a ignition system cut out like that. I had a HEI with a bad module that would idle around all day and soon as you got into it around 2k RPM it would cut out just like I had pulled the key.
__________________
----------------------------------------------------------- Erik My 69 suburban http://67-72chevytrucks.com/vboard/s...d.php?t=530626 1970 C10 step Project Jiminy http://67-72chevytrucks.com/vboard/s...d.php?t=682647 RUST!? Thats just mother natures way of telling all of us.....MINE!!!! |
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