400ci Chevy Small Block Question

TuckerN · 10-23-2008, 11:01 AM

OK. So lately my car has been running a little rough. It idles just fine but when you try to get a little heavy on the accelerator, it like bogs out if that makes any sense. And it doesnt accelerate nearly as fast as it used to. Its fine when you are lightly accelerating but when you try medium to heavy acceleration, it just feels really rough. And if I put it in the low gear and take it a little high into the RPMs, it will backfire. I didnt know if maybe it is a distributer/point rotor problem or carb problem or even something in the block. Anyone got any ideas to this?

Gregg-O · 10-23-2008, 11:49 AM

What year is it. When was the last tune-up done.?

TuckerN · 10-23-2008, 02:59 PM

1970 and plugs, wires, and fuel filter were done about 2 months ago and distributer was done in april

10-23-2008, 11:01 AM	#1 (permalink)
TuckerN Junior Member Join Date: May 2008 Posts: 8 View My Garage	400ci Chevy Small Block Question OK. So lately my car has been running a little rough. It idles just fine but when you try to get a little heavy on the accelerator, it like bogs out if that makes any sense. And it doesnt accelerate nearly as fast as it used to. Its fine when you are lightly accelerating but when you try medium to heavy acceleration, it just feels really rough. And if I put it in the low gear and take it a little high into the RPMs, it will backfire. I didnt know if maybe it is a distributer/point rotor problem or carb problem or even something in the block. Anyone got any ideas to this?

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10-23-2008, 11:49 AM	#2 (permalink)
Gregg-O Senior Member Join Date: Mar 2008 Location: Phoenix Posts: 198	What year is it. When was the last tune-up done.?

10-23-2008, 02:59 PM	#3 (permalink)
TuckerN Junior Member Join Date: May 2008 Posts: 8 View My Garage	1970 and plugs, wires, and fuel filter were done about 2 months ago and distributer was done in april

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