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Re: add a mechanical feul pump to a 1987 camaro
THE ENGINE IN THIS CAR IF IT IS ORIGINAL IS NOT SET UP FOR A MECHANICAL PUMP.sorry for caps. the pump runs off of the cam via a pushrod and newr motors did not have this option look on the side of your motor and see if it has a block off plate if so you may be in luck remove plate install the pump rod and rotate motor by hand while holding rod up in there see if you feel it move up and down. if so just install new plate and pump. remember if you do this you will have to remove the electric pump out of the tank and install a sender designed for mechanical pump it will not pull freely thru the electric pump.So with all this in mind it may be easier to keep the electric pump and install an adjustable pressur regulator
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try checking your fuel presure at the injecters...there can be many things that can go wrong with fuel dilivery systems. have someone set in the drivers seat and turn the key to the on postion while you listen at the rear of the car. as soon as the key is turned to on postion not starting it, you should hear the fuelpump prime the system, if you dont more than likely, bad fuel pump, let me know what you find out.
Is it electric or mechanical pump? Electric is with fuel injection. If its fuel injection, you should hear the pump run when you turn ignition switch. If u don't hear it, try starting, if no, turn off then on. It will self prime. Carburetor is with mechanical pump. I usually put few drops of gas in the carb. Start it, if no, more in carb till it stays running.
First off, your Z28 does not have a carburetor. They haven't put carburetors on Camaros since 1984. Your Camaro is fuel injected and has a throttle body. You are having a fuel issue. You fuel pump is probably bad and or fuel filter is clogged. I am assuming you are not a mechanic so I would recommend taking this to your local repair shop to be fixed. They will have to drop the tank to get to the pump. You should also have your injuectors cleaned while you are at it.
This does sounds like a carb issue. Like it is out of adjustment from the fuel pump finally allowing gas to flow properly to the carb. Now that it is flooded it will be harder to start due to everytime you are trying to start it it automatically floods out. If you are concenered with your mechanic take it to another shop and have them look at it.
First you need to determin witch one is #1 on cap Witch usely is the one directly behind carb. or throutle body. than its perty strate forward from there rotor runs clockwise. Cap only goes on one way. Food for thought when you chg. cap or wires one at a time is the rule even for a seasoned mechanic.
Start with testing the injectors for pulse. Get a NOID light they sell the at almost any auto parts store remove in get plug from injector and plug the noid light into plug look for constant steady (pulse)lighting of noid light. Check all six injector on your strait 6. If all is good remove parke plug wire on at a time from cap and look for increased shaking and less when it replaced(Make sure to use wire puller with rubber insulation to avoid being zapped by spark from coil) Note cylinder with no difference or change when wire is removed. Those would be the problem cylinders. Then get a compression guage and check all cylinders for compression by removing spark plugs and attaching guage to each cylinders, make a not of each cylinder's reading. NOTE THEY SHOULD NOT BE MORE THAN 10 PSI difference in cylinders. Make note of low compression cylinders if any. If compression is good all around spark plugs are good, good ignition wires and you have good pulse pattern from you noid light. The only other problem is BAD INJECTORS and those would be the ones that didn't change when you took off the wires. I have work on these old cressidaalot my self. Good Luck contact me if you need more help and if I solve your problem leave me a FIX-YA comment.