poor_red_neck
12-24-2007, 05:03 PM
So a few months ago I was freaking out about my accord... symptoms were it would idle fine, and WOT was fine after about 3000 RPM, but small throttle inputs led to 100 percent loss of power.
After MUCH help of this board, it was the primary booster venturi. The screw was MISSING that held it in place.
So at the time of me fixing it, I also did a stage 4 vac removal. Everything gone, including the air jet controller, choke, everything.
The car has ran FANTASTIC. Except for the first mile or so when its cold, it runs great.
Well, fooling around the other day with a couple guys after I got off work, we decided to smoke the tires a bit in the parking lot. It was wet outside, everybody else has gone home. Santa is bringing me new tires sooo.... :)
I pull the ebrake and start burnin some rubber. Car's sliding around, tires a smokin all good huh? :Owned:
Well, the car was not fully warmed up. I don't think it is relevant... but just incase I am guilty of that. I know better than to rev the motor when its cold but I did. Shame on me.
So after fooling around I decide to smoke another cigg. with my co-workers laughing at the busted 3G with smoke coming off the wheels. We chit chat about holiday plans and what not, then its time to go. Car has been left idling for maybe 10 minutes. I get in, go to take off at a normal rate of speed and PUT PUT PUT PUT BBBGOOOOOOOGGGGGG.
Feels EXACTLY like I did when the venturi was screwed up.
Well... I drive over to my buddy's house and park it in the garage. I take the air box off and the brass screen. I wiggle the venturi... :wtf: it's loose again. NOT the bolt. I loc-tit'ed the bolt in there. It was snug but the venturi was loose. I take the bolt out and then the venturi to inspect it. Looks as if I over-tightened the bolt a little bit and it dug into the aluminum. I guess the factory set-screw had a bit of a taper to it and the bolt did not. So i thought no big deal...
I taper the bolt shaft on the grinder to fit into the groove on the venturi. Fits snug as a bug. Clean the venturi really well just as a precaution and then re-install it. Use some loc-tite and re-install the bolt to hold the venturi against the fuel feed side. Start the car.... no go. Same problem.
So I'm not panicking yet. I take it back off and realize that the o-ring is shot. It's completely flat and not sealing at all. So I find some fuel safe o-rings laying around and found one that fit "as good as its going to get" as it appears the o-ring that is meant to be used is actually flat, not round. This is all I had though, and I'm sure it would serve the same purpose.
Re-install venturi again with this new o-ring thinking "OK, this is is the last time I'll have to worry about this problem again."
Oh how naive I was.
Didn't fix a f*cking thing!!!! Now I'm panicking. Can a venturi "go bad?" What else is causing this? I cleaned it very well, stuck carb cleaner threw the inlet side of the venturi and sprayed no clogs.
I started the car and with the filter box and screen off tried to see if I could witness what was going on with the fuel. The idle pump squirts fuel in as it should, but fuel only comes out the main jet on the venturi at WOT and it's not a nice atomized mixture like it was the first time I did this fix.
Questions:
1) Is it just a coincidence that this happened with me doing burnouts like an idiot in the parking lot?
2) Can something happen to the venturi to make it "go bad?"
3) What else can it be?
I know the fuel pump is ok. Fuel filters are brand new and flow fine. The float level is a bit too high, but always has been. Never been a problem. The o-ring in the adjustment screw is bad and I just haven't had the time to fool around with it. Keep in mind that I have a full stage 4 vac removal done. No distributor advance, no AJC, no nothing. No adjustments were ever done on the carb other than the idle.
Any ideas?
I'm so sick of screwing with this damn carb. If I don't get it fixed by payday I'm getting a weber. I don't want to have to fool with tuning a new carb because I don't have the slightest clue what to do and I don't have the time to wait on additional jets to come in the mail and all that non-sense. A factory re-man carb is too expensive to justify and I don't think rebuilding the factory carb is going to solve it. I think there is a problem physically with the booster venturi... I don't know. I think I may have over tightened it, causing the mating surface of the venturi to the fuel "connection" to become bent. I have a pretty hefty o-ring on there now though, so it should be sealing JUST FINE.
After MUCH help of this board, it was the primary booster venturi. The screw was MISSING that held it in place.
So at the time of me fixing it, I also did a stage 4 vac removal. Everything gone, including the air jet controller, choke, everything.
The car has ran FANTASTIC. Except for the first mile or so when its cold, it runs great.
Well, fooling around the other day with a couple guys after I got off work, we decided to smoke the tires a bit in the parking lot. It was wet outside, everybody else has gone home. Santa is bringing me new tires sooo.... :)
I pull the ebrake and start burnin some rubber. Car's sliding around, tires a smokin all good huh? :Owned:
Well, the car was not fully warmed up. I don't think it is relevant... but just incase I am guilty of that. I know better than to rev the motor when its cold but I did. Shame on me.
So after fooling around I decide to smoke another cigg. with my co-workers laughing at the busted 3G with smoke coming off the wheels. We chit chat about holiday plans and what not, then its time to go. Car has been left idling for maybe 10 minutes. I get in, go to take off at a normal rate of speed and PUT PUT PUT PUT BBBGOOOOOOOGGGGGG.
Feels EXACTLY like I did when the venturi was screwed up.
Well... I drive over to my buddy's house and park it in the garage. I take the air box off and the brass screen. I wiggle the venturi... :wtf: it's loose again. NOT the bolt. I loc-tit'ed the bolt in there. It was snug but the venturi was loose. I take the bolt out and then the venturi to inspect it. Looks as if I over-tightened the bolt a little bit and it dug into the aluminum. I guess the factory set-screw had a bit of a taper to it and the bolt did not. So i thought no big deal...
I taper the bolt shaft on the grinder to fit into the groove on the venturi. Fits snug as a bug. Clean the venturi really well just as a precaution and then re-install it. Use some loc-tite and re-install the bolt to hold the venturi against the fuel feed side. Start the car.... no go. Same problem.
So I'm not panicking yet. I take it back off and realize that the o-ring is shot. It's completely flat and not sealing at all. So I find some fuel safe o-rings laying around and found one that fit "as good as its going to get" as it appears the o-ring that is meant to be used is actually flat, not round. This is all I had though, and I'm sure it would serve the same purpose.
Re-install venturi again with this new o-ring thinking "OK, this is is the last time I'll have to worry about this problem again."
Oh how naive I was.
Didn't fix a f*cking thing!!!! Now I'm panicking. Can a venturi "go bad?" What else is causing this? I cleaned it very well, stuck carb cleaner threw the inlet side of the venturi and sprayed no clogs.
I started the car and with the filter box and screen off tried to see if I could witness what was going on with the fuel. The idle pump squirts fuel in as it should, but fuel only comes out the main jet on the venturi at WOT and it's not a nice atomized mixture like it was the first time I did this fix.
Questions:
1) Is it just a coincidence that this happened with me doing burnouts like an idiot in the parking lot?
2) Can something happen to the venturi to make it "go bad?"
3) What else can it be?
I know the fuel pump is ok. Fuel filters are brand new and flow fine. The float level is a bit too high, but always has been. Never been a problem. The o-ring in the adjustment screw is bad and I just haven't had the time to fool around with it. Keep in mind that I have a full stage 4 vac removal done. No distributor advance, no AJC, no nothing. No adjustments were ever done on the carb other than the idle.
Any ideas?
I'm so sick of screwing with this damn carb. If I don't get it fixed by payday I'm getting a weber. I don't want to have to fool with tuning a new carb because I don't have the slightest clue what to do and I don't have the time to wait on additional jets to come in the mail and all that non-sense. A factory re-man carb is too expensive to justify and I don't think rebuilding the factory carb is going to solve it. I think there is a problem physically with the booster venturi... I don't know. I think I may have over tightened it, causing the mating surface of the venturi to the fuel "connection" to become bent. I have a pretty hefty o-ring on there now though, so it should be sealing JUST FINE.