Need a little help here and maybe I'm in the wrong section.  Well yesterday while cruising the Island about 40 miles into my ride, it seemed as if the car was struggling to move like it wasn't getting all of its power.  So before I get stuck any further away from home I turned around and approximately 8 mile from reaching home, it seemed that it got its power back with no problem what so ever.  I know it can't be the engine due to the fact that its brand new with only approx. 1000 mile on it.  I was thinking could it be the stock exhaust manifold or mufflers.  Last year I cut out the cats which both was clogged.  Should I get new mufflers and headers maybe?

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There are a lot of variables here...

If the exhaust is restricted, and causing the problem, then it would stay restricted...it wouldn't "fix" itself while driving.

Could be a fuel issue, such as a restricted filter, a pinched rubber line, or a clogged vent on the tank. These could "fix" themselves while driving, depending on the actual problem.

This could also be a carb issue, such as a stuck float, which can free/stick itself while driving.
Could be ignition...but you don't normally see them get better once they start messing up. If it has the HEI, it can be the coil or module, as they fail with high heat while driving, but usually won't come back to life until they cool off completely.

Did it just feel like it had no power when you gave it throttle, or was there also noises, like backfires, or pops?

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Joel Adams
C3VR Lifetime Member #56    
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"

Jeol it felt as if it had no power, there was no noise, no pops, or back firing.  Just felt like it wanted to go but something kept it from going?

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was there any smell like a hot break, inspect your spark plug wires one loose or shorting out on the exhaust

Thanks raider1, I'll check that as well, but there was no smell.

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Thanks rebuild, when I installed the new engine, I did not put one on.

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IF the engine wasn't missing, or running rough, then I gotta think you have an ignition issue, or perhaps your distributor is loose, and moving around while you drive.
Check to make sure all of the connectors on the dist. cap are plugged in well, and see if you can twist the dist by hand.

You may have also had a stopped up carb circuit that cleared itself. Have you driven it any since then? If so, how did it run then?

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Joel Adams
C3VR Lifetime Member #56    
My Link


(click for Texas-sized view!)             NCRS

"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"