Hello and Happy Spring,
I'm sure this has been covered here before. I have just read some other threads on the subject of percolation and warm/hot start issues. I would like to know which spacer will fit my Carter AFB 4299s, and which brand/type is best. I figure the spacer is a good place to start.
HOT START: She's cranking very strong on a warm start, but does not turn over right away, or without hesitation.. but once running, she idles nicely. The engine does not overheat, temp gauge is always normal, but the top end always seems to get too hot pointing to a fuel issue.
COLD START: Ever since I added an inline fuel regulator, colds starts have been an issue. This was never the case before.. always one squirt in the carb via pedal and she turned right over.
Now, however, I turn key and it cranks 10-20 times before turning over, and I have to give her several squirts... and she starts in a stuttering manner.. again, once running, she immediately idles well.
Also, I readjusted the divorced choke coil spring around the time I put the fuel regulator on.
I don't think the choke plate, nor the coil spring/rod is set correctly. I shouldn't have touched it, so I'll put those things back where I found them.
The other thing I notice now is a hiss when turning the car off after a drive. I'm guessing it's from fuel vaporizing. This would also explain the reduction in power. The more the car heats up/is driven.. the more the power seems to dwindle and gets a little "tired" upon acceleration.
Theres also the theory that fuel is leaking down from the bowl through the secondaries creating s rich condition in the cylinders.
I seriously think my air/fuel delivery is the issue.. boiling/percolating, vaporizing etc.
I have the fuel line as far away from the exhaust mani and block as possible, but I'll also try wrapping it in aluminum foil and see if it helps.
Also the fuel pressure regulator only goes up to 5 psi, which I set it to.. by removing it might I solve the problem???
I may also change out the jets up one size(I've got the factory .068s in now.. will put in .072s)
Of course crappy gas can always explain a lot.
And no, I'm not switching to an edelbrock or fuel injection!
I'm determined to get through this with my trusty Carter AFB.
Thank you all for reading, and any ideas or suggestion are greatly appreciated.
Alex
I'm sure this has been covered here before. I have just read some other threads on the subject of percolation and warm/hot start issues. I would like to know which spacer will fit my Carter AFB 4299s, and which brand/type is best. I figure the spacer is a good place to start.
HOT START: She's cranking very strong on a warm start, but does not turn over right away, or without hesitation.. but once running, she idles nicely. The engine does not overheat, temp gauge is always normal, but the top end always seems to get too hot pointing to a fuel issue.
COLD START: Ever since I added an inline fuel regulator, colds starts have been an issue. This was never the case before.. always one squirt in the carb via pedal and she turned right over.
Now, however, I turn key and it cranks 10-20 times before turning over, and I have to give her several squirts... and she starts in a stuttering manner.. again, once running, she immediately idles well.
Also, I readjusted the divorced choke coil spring around the time I put the fuel regulator on.
I don't think the choke plate, nor the coil spring/rod is set correctly. I shouldn't have touched it, so I'll put those things back where I found them.
The other thing I notice now is a hiss when turning the car off after a drive. I'm guessing it's from fuel vaporizing. This would also explain the reduction in power. The more the car heats up/is driven.. the more the power seems to dwindle and gets a little "tired" upon acceleration.
Theres also the theory that fuel is leaking down from the bowl through the secondaries creating s rich condition in the cylinders.
I seriously think my air/fuel delivery is the issue.. boiling/percolating, vaporizing etc.
I have the fuel line as far away from the exhaust mani and block as possible, but I'll also try wrapping it in aluminum foil and see if it helps.
Also the fuel pressure regulator only goes up to 5 psi, which I set it to.. by removing it might I solve the problem???
I may also change out the jets up one size(I've got the factory .068s in now.. will put in .072s)
Of course crappy gas can always explain a lot.
And no, I'm not switching to an edelbrock or fuel injection!
I'm determined to get through this with my trusty Carter AFB.
Thank you all for reading, and any ideas or suggestion are greatly appreciated.
Alex
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