How about a repeat the description of your surging idle problems? Have you been through the fixes in the Surging Idle Checklist sticky posted at the top of the forum?347lxvert said:i am thinking of changing over to a carb, what all is involved in doing that, i cannot fix my surging idle and it seems like my car is always cutting out.
in- tank pickup347lxvert said:i know a lot more about carbs than i do about fuel injection, i just was wondering about a list of parts i would need to do the swap.
347lxvert said:my idle surges on occasion, wont idle in gear sometimes, and it just seems like one thing after another, it misses sometimes and sometimes it dont, i have replaced just about everything except the fuel pressure regulator and the iac(which is only 3 months old), and it still is just really sporatic, i have set my tps voltage several different times, my car wont idle at all below 1000 rpm in park with the iac unplugged, i just dont understand what else could be wrong with it. i wish there was someone close to where i live that i could take it to, so that they could help me figure it out, i know for sure that a carb would make it significantly easier to work on
347lxvert said:thanks, do you think my fuel pressure regulator might be bad? i have all new vacuum lines when i changed my motor out a couple of months ago. could my iac spacer be causing weird vacuum problems?
I have seen on Stangnet pictures of the lower intake gaskets shifting to the point that the lower edges of the intake manifold didn't seal.347lxvert said:yea, new gaskets on everything, i just wonder if i screwed up when i put the lower intake on and it didnt seal off right or something.
And there lies the problem. Most guy's are going to take their car to a tuner because they can't do it themselves. You buy into someone else's idea of what you car should be, or do. Granted there are some knowledgable people on here, but the average guy can't do it himself.347lxvert said:i am just not sure about all the stuff that goes with the efi, like i am not sure i have the right size throttle body, i am pretty sure i need an adjustable fuel pressure regulator, and other stuff like that
For a 347 stroker engine, this should work well347lxvert said:my brother switched his car to a carb and it made a world of difference in the power, i am just not sure about all the stuff that goes with the efi, like i am not sure i have the right size throttle body, i am pretty sure i need an adjustable fuel pressure regulator, and other stuff like that
94GT347 said:And there lies the problem. Most guy's are going to take their car to a tuner because they can't do it themselves. You buy into someone else's idea of what you car should be, or do. Granted there are some knowledgable people on here, but the average guy can't do it himself.
I think I need an "amen" on that one?!?!
Carbs are old school, but they've stood the test of time. You throw a carb at a young guy today, and he can't tell a jet from a choke. That's why most guy's on places like this don't like em, because they don't know anything about them. I know enough about EFI to know I need to leave it alone.
At least I tried.
Next time you're at the track, go see what type of induction most of the fast guy's run. Let me know back.
Thanks!
jrichker said:For a 347 stroker engine, this should work well
70 MM TB
76 MM-80 MM MAF calibrated for 30 LB injectors
30 LB injectors (good to 400 - 425 Hp)
155 LPH fuel pump
The above assumes you have aluminum heads, good high flow intake and cam.
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