Question about 1993 Chevrolet Corvette

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93 corvette spins over has fuel pressure but no fire what is the comman problem

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I can start my 93 vette buy dripping gas into the carb intake..When I step on the gas petal..you can here the car sieze or starve for gas...there seems to be back pressure whe i try to put freash gas in the tank,bubbling back at me...Is it the fuel pump or filter?...Or is everthing just varnished and gummed up?
...Has not been running for 2 years

Posted on Jun 14, 2011

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Check timming check for spark at distr if all esle check dist cap then

Posted on May 15, 2010

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What arm the specs for 95 camaro lt1 350


Block and Basics
Displacement: 350 cubic inches, 5733 cubic centimeters, 5.7 liters
Block Material: Cast Iron
Main Bearings: 2-Bolt Centers and Ends (The Corvette LT1/LT4 had 4-bolt mains)
Stroke: 3.48"
Bore: 4.00"
Compression Ratio: 10.4:1
Combustion Chambers: 54 cubic centimeters
Factory Redline Rating: 5700 Rotations Per Minute

Bottom End
Piston Material: (10159437) Eutectic Aluminum/Silicon Alloy
Connecting Rod Material: (10108688) Powdered Metal
Crankshaft Material: (12556307) Cast Iron

Top End and Valvetrain
Cylinder Heads: (10168448) Cast Aluminum, 2 valves per cylinder/16 valves total, ~212 CFM flow (Impala SS and Caprice heads were made of cast iron*)
Valve Diameter: (intake- 10241743, exhaust- 12550909) 1.94 intake, 1.50 exhaust
Valve Overlap: 41*
Valvesprings: (10206040) 85 lbs, seated
Camshaft Specs (12551705): 205/207 duration @ 50*, .447/.459" lift, 117 Lobe Seperation Angle
Rocker Arms: (10089648) 1.5:1 Stamped Steel
Timing Chain: (10128485) Powdered metal link

Intake and Fuel Delivery
Fuel Delivery: Electronic Fuel Injection, sequential port
Injector Size: (17124248) 3.0gps, 22lbs/hr speed density (1992-1993), 24lbs/hr mass airflow (1994-1997)
Throttle Body: 48 millimeter twin butterfly
Intake Manifold: (12552137) Aluminum

Factory Power Ratings
92-96 LT1 Corvette: 300bhp, 330lb-ft
1996 LT4 Corvette: 330bhp, 340lb-ft
1992 LT5 Corvette: 375bhp, 370lb-ft
93-95 LT5 Corvette: 405bhp, 385lb-ft
93-95 LT1 F-Body: 275bhp, 325lb-ft
96-97 LT1 F-Body: 285bhp, 325lb-ft
96-97 WS6/SS: 305bhp, 335lb-ft
93-97 Firehawks: 315bhp, 340lb-ft

Factory LTX Camshaft Specifications**:
1992 Y-body: 205/207 0.451/0.450 lift 117 LSA
1993-1995 Y-body, F-body: 202/207 0.450/0.460 lift 116 LSA
1994-1996 B-bodies (including L99 4.3L): 191/196 0.418/0.430 lift 111 LSA
1996 Y-body, 1996-1997 F-body: 200/207 0.447/0.459 lift 117 LSA
1996 Y-body, F-body LT4: 203/210 0.476/0.479 lift 115 LSA


hope this helps

Mar 04, 2015 | Cars & Trucks

1 Answer

I have a 1989 corvette with greenwood package that cranks for about 50 seconds before it will fire, runs at a ruff idle, and after it is hot and running for awhile it will shut off and be really hard to...


The only part that would come to mind after all of this would be the fuel pump relay. This is located on the fire wall on the drivers side of the car. When that goes bad it does not allow for adequate fuel to cycle through.The other thing would be timing. You need fuel air and spark for the vehicle to fire. After all the test and after replacing the fuel pump relay. I would do a compression and a leak down test. Are you sure that the timing did not jump a gear? You can also look and test the IAC (Idle Air Control) or the MAF (Mass Air Flow Sensor). Also do a test to check fuel pressure. The last Corvette that I worked on personally that had this issue it turned out to be the Fuel Pump Relay. Good luck let me know if you have any further questions.

Jun 16, 2011 | 1989 Chevrolet Corvette

1 Answer

93 buick no start 3.3 no check engine light. code43 knock sensor. checked for power at knock sensor none. replaced ecu. checked all fuses all good has spark. will fire if spray in throttle body .


Sounds more like you have a bad fuel pump.If you have a pressure tester then check the fuel pressure.You need top have between 41-47 psi fuel pressure.

Nov 22, 2009 | 1993 Buick Century

1 Answer

Water coming out of stem valve on top of intake on 86 corvette


If it was water that came from the valve, and If you can identify the stem valve as a valve on the fuel injection rail or line, then yes , you have water in your gas, and no, it is not normal for water to come out of this valve. If the valve is , in fact, connected to the fuel injection system, it is likely the test valve where a pressure gage is hook up to test the pressure of the fuel going into the fuel injection.
Depending on just how much water is in the system, try several treatments of dry gas, or you just may have to have the fuel tank drained.
Good Luck!

Jul 30, 2009 | 1986 Chevrolet Corvette

2 Answers

1985 corvette wont start


NEVER use either!! EVER! It burns very dry and can destroy a gas engine! Just give it a bit of gas down the intake.But keep the can away after each try! Far away! Not sure how you are getting 32v?? That can't be volts! Silly question, but is there fuel in the tank?? Have seen this before! It would be great to learn how this all started?? [or should i say stopped] lol Check the fuel line for a pin hole. It sounds like it is sucking air. Really need a bit more info. OK Frankster016

Oct 23, 2008 | 1985 Chevrolet Corvette

2 Answers

1985 conrvette


poss. is fuel pressure reg. problem. put a guage on the test port and check press. should be above 35psi. see if it stays running when you spray choke cleaner in the pcv valve steadily while starting. if the engine stays running after a few seconds of running on choke cleaner then probably a bad fuel pump relay cause the oil pressure switch will keep the pump on without the relay when it has good oil pressure.
let me know if ya can do this or if it helps.

Jul 04, 2008 | 1985 Chevrolet Corvette

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