bogging down off the line
Thread Starter
Instructor
Joined: Oct 2006
Posts: 181
Likes: 0
From: Des moines Iowa
bogging down off the line
my 82 feels like it falls on its face off the line. It boggs down like a car with a carb that needs rebuilt. As soon as it gets off the bottom end it pulls hard and strong. The engine light is on and it idles rough sometimes wanting to die. i recently added sea foam to this tank of gas. Could this make the car run like this??
Melting Slicks
Joined: Aug 2003
Posts: 2,135
Likes: 2
From: Dayton Oh
Lars should be able to give you expert advise her. Being a dum **** myself, first thing to verify is that you're timing is correct and vac advance is working properly. If this checks out then a carb related bog could result from several things. I'd check the following:
1) Too large carb? What carb and size are your running?
2) Secondaries coming in too soon? Have you made any adjustments lately?
3) Primary jets too small? Have you changed these or made any adjustments lately?
1) Too large carb? What carb and size are your running?
2) Secondaries coming in too soon? Have you made any adjustments lately?
3) Primary jets too small? Have you changed these or made any adjustments lately?
Le Mans Master
Joined: Oct 2001
Posts: 6,798
Likes: 25
From: Pine Bluff Arkansas
St. Jude Donor '08-'09-'10-'11-'12-'13-'14-'15-'16-'17-'18-‘19-'20-'21
Tech Contributor
Joined: Aug 1999
Posts: 14,380
Likes: 6,390
From: At my Bar drinking and wrenching in Lafayette Colorado
Lars should be able to give you expert advise her. Being a dum **** myself, first thing to verify is that you're timing is correct and vac advance is working properly. If this checks out then a carb related bog could result from several things. I'd check the following:
1) Too large carb? What carb and size are your running?
2) Secondaries coming in too soon? Have you made any adjustments lately?
3) Primary jets too small? Have you changed these or made any adjustments lately?
1) Too large carb? What carb and size are your running?
2) Secondaries coming in too soon? Have you made any adjustments lately?
3) Primary jets too small? Have you changed these or made any adjustments lately?
On that Crossfire setup, check a couple of things:
First, set the base timing. Remember that you have to disconnect the ECM wire from the distributor to set it.
Next, install a new fuel filter and check the fuel pressure at the pressure regulator. You can actually use an air conditionig gauge set to check the pressure.
Finally, set your TPS to spec. Spec at the idle position should be .54 volts. I faulty TPS or a faulty adjustment will cause a bog upon throttle opening.
Thread Starter
Instructor
Joined: Oct 2006
Posts: 181
Likes: 0
From: Des moines Iowa
I ran the code and it came up a 42. Whatever is wrong, 2 days ago i went out and it spun the tires and the check engine light went off.The next day I went out and started it and within a minute it started running rough and the check engine light came back on!! Now it won't even turn the tires over. How could it go away and then come back???
