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Topic Review (Newest First)
08-22-2005 03:36 PM
1982 SS Reading along and it did sound like fuel pump related.
08-22-2005 02:24 PM
71 c-10 ya'll know this thread is two years old??
08-22-2005 12:57 PM
Classix_Lover Phew, sounds like a lot of intense emotions you went through trying to find that relatively small problem that caused one mother of a headache. Very happy you got that fixed . Have fun burnin out leaving imports in the dust.
08-22-2005 11:45 AM
Jacks77 I'd bonfire the motor and get a chevy sb
SERIOUSLY, glad you fixed it!

04-01-2003 11:32 AM
blockhead We love happy endings.
03-31-2003 04:23 PM
blown69stang Okay!! I got it fixed!! Mr. Windsor you were right! It was the fuel pump. I had a Holley performance pump on there that was approx. 2 years old, well it had its days. I wish I hadn't gone straight to carb and ignition as a cause of my problems because of all that money I spent but hey, I got almost a grand in cool parts. Speed Demon carb, MSD ignition, XRP lines and hoses, and a nice new pump. I went over to O'Reiley's (?sp?) and bought a carter replacement for $30 and put that sucker in. While I was trying to install the new pump, I found out that someone had previously stripped out one of the bolt holes and put a helicoil in it. That is a spiral thing that is screwed into a reamed out hole and has the proper threads on the inside. It must have begun to slip out because that is where the oil was probably coming from (the old fuel pump was covered in old engine oil. It wasn't must oil and I didn't have a drip on the ground, but it was spraying oil all along the bottom of my engine- Flexlite Fan + Oil= Oil all over. I took the Holley pump apart and could not see any obvious signs of a puncture/leak in the diaphram except for the oil that was in the lower half of the pump. Oil should only be in the upper half where the lever is! I was getting low pressure both in my fuel and oil system due to the leak and that must have been where I was losing my oil. It must have been throwing the mixture way off. So Mr. Windsor was exactly right and all I needed was to change that relatively cheap part.

I bought the cheap one because I plan on putting an Aeromotive Electric fuel pump, Meziere electric water pump, electric fans, and a nice Powermaster 140 Amp alternator to power all that and the impressive stereo I am putting in it- oh, and a Auto-Rod Control membrane switch panel mounted to the eight point roll bar. I think a hidden switch for the fuel pump would be a good thieft deterance device too! Damn it felt nice to drive that car again today. Going to have a hard letting someone install a radio in it because that means there will be a few days I will be without it. I have been driving my retired mother's car around to my job and there is nothing like a muscle car to excite you over a '92 Ford T-Bird.
03-31-2003 05:04 AM
USMCDCC I think you should go back to torching the thing.
03-30-2003 09:27 PM
Mr. Windsor The oil consumption you mentioned makes me wonder if the diaphram in your fuel pump might not have a hole in it. That could affect the efficiency of the pump, and cause you to lose oil as well.

Just a thought.
03-07-2003 03:39 PM
Super Streeter Here is something to check.Look for rust sludge in the carb or fuel filter.A rusty gas tank will cause this problem.When the engine is off the scale settles off of the pickup sock,but after startup it will clog the sock in short order.Most carbs require a little choke adjustment when the weather changes,but that only effects cold start drivabilty.Another thing to watch is fuel blends.winter fuel blends are somewhat different then summer blends and most gas companies assume that all cars are fuel injected these days and that they will automatically compensate for the change in fuel weight,but a carb wont do this.If the problem isnt rust in the tank,I would try different fuel.I know that winter blend pump gas makes my fuel pressure go thru the roof.If I set up engine up on race gas and set the fuel pressure to 9 psi the car runs fine and a tad lean.If I blend in summer blend pump gas the car will run fatter and have about 2 psi more fuel pressure.I now have straight sunoco 94 winter blend in the tank since I wanted to improve cold starting of my race engine over the winter no racing months{I drive it on the street a bit rather then winterize the engine}.With the sunoco 94 I cant get the fuel pressure guage to go below 15 psi and I had to turn the pressure down just to keep the carb from flooding.I have never heard of winter blend reducing fuel pressure,but my pressure is regualted by a regualtor,not pump flow,so it is posible that a low pressure pump might have the opposite problem of my setup.Good luck,and dont do anything stupid.
03-07-2003 03:20 PM
blown69stang Not to be sarcastic but is my name has not already given you a clue, it is a 69 mustang. Yes a Ford, and it a has a 351W bored .030 over. And about the lecture on how much money I am going to spend because I don't feel like doing it myself: I have only had the car into a garage for tuning and diagnostic services. I have to my best ability tried to figure out what it was. Before I took the car in each time, I thoroughly examined all possibilities until there was nothing else I could do with my skill. If I did pull the valve covers off to check the cam, I wouldn't know what to look for because I haven't ever experienced this situation. I changed the fuel pump, filters, fuel lines, carburetor, distributor, plugs, wires, and everything else that has gone on there. I even tuned it to an exent. I only took it in because no matter how much I messed with it, I couldn't better the situation. If I was too lazy to do any work on the car and only take it in "when it sounds funny," Then I wouldn't spend some evenings working on it from 6pm to 2am. Yeah I have worked on it for 8 hours several times. So I am not spending money uselessly because I don't want to do any work; I do that because I wasn't able to make a difference by what I was doing and I don't feel that my skill can be trusted as well as a professional mechanic.

In regard to the three different garages, I have used them all at the same time. I took it first to the guy that built the engine and when he didn't know what to do/couldn't fix it/didn't feel like working on it anymore, I took it to the guy who usually works on my business vehicles. When he couldn't do it, I took it to another race shop. Each time I told them what had been done and they checked the previous and tried something else. So yeah maybe I should have stayed with the first guy but when he shrugged off my problem as "because of the way I drive" even though he doesn't know how well I have treated this car, I was pretty pissed. The reason I left the second guy was that he openly admitted that he dealt primarily with new computer controller cars but would do his best without guaranteed results, I took it to the last place. The last group of guys runs cirle track and drag racing. They have only had their hands on it once and have a really good attitude about it. They are the only garage that I have been to that doesn't mind the owner helping them out in the shop area.
03-07-2003 12:53 PM
johnsongrass1 I didn't mean Chevrelet, I meant Buick. I was trying to explian somthing to someone else and apparently got confused.

Anyway, I didnt want to be the only one who was wondering why you keep paying someone else to do the work. Who are you paying anyway? Someone worth paying should be able to narrow things down a bit and at least give you an idea of what happening. I'm really starting to think it's all related to fuel pressure. Something gotta be wrong in the pump or fuel lines.
03-07-2003 05:34 AM
one off hi
don't want to chew you out but you're going to spend an awfull lot of money on this problem unless you get a little more sensible about what your doing. seems to me your having all this work done. if you are go some place else because they don't know what there doing.if you don't have the basic tools like a compression tester buy one and do the work yourself,it's cheeper than having it done.that oil problem could be serious,check the pcv.there are so many things that can cause your problem you and without the details it's hard to -dognose* best way for you is to eliminate the major possibiliies and work your way down to the real problem. good luck
03-07-2003 02:24 AM
roys63 It may be something as simple as sediment in the tank blocking the pickup filter after running awhile. Where is your inline filter?

[ March 04, 2003: Message edited by: KULTULZ ][/QB][/QUOTE]

I'am with him ! Time to pull the tank!
03-07-2003 02:18 AM
73 Nova Guy yup!
03-07-2003 02:15 AM
roys63 [quote]Originally posted by johnsongrass1:
<strong>Ever check the fuel pump eccentric on the front of the cam?. They can come loose and spin causing erratic fuel delivery. (assuming this is a Chevrelet). Might be the heat that loosens the bolt enough to spin(sometimes).</strong><hr></blockquote>

Not on a chevy it is driven by the cam with a push rod!!
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