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1996 transam 5.7 lt1 crank but no start - 1996 Pontiac Firebird

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I have a lt1 in a 1989 transam when im driving the car i have good acceleration but only if i go haf throttle if i go full throttle it is like the motor starts to hesitate


could be many dif things lack of fuel, bad plugs, worn out wires, timing off just a bit, ignition coil starting to fail. could be just as simple as not a good enough ground from motor to frame. i would start with a fuel pressure test. then plugs wires timing ect

Apr 07, 2015 | Cars & Trucks

1 Answer

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

My 96 chevy caprice with lt1 wont start turn over


i have a 1996 chevy caprice LT1 that wont start due to hurricane sandy the water line of the car was half of the bottom pully which i think the starter got wet when i returned back to the car i turned the key it didnt turn over but i had power is there any solutions please help

Apr 28, 2012 | 1996 Chevrolet Caprice

2 Answers

1996 corvette LT1 car is daily driver. It got to where it would take a long time to start. Then one day it just didnt start. Took coil wire off distributor and seen I was getting fire there. Then took plug...


this is a 96? if you are getting no spark, I'd replace the crank sensor first. Distributor? you should have coil pack and a ignition module, is there a check engine light?

Dec 24, 2010 | 1996 Chevrolet Corvette

1 Answer

Putting 95 lt1 in my 96 z28 wife smoked engine. Is there a crankshaft censor on the 95 engine?


According to my part book the first year GM use crank position sensor on Camero LT1 is 1998,


Jun 19, 2010 | 1996 Chevrolet Camaro

1 Answer

Trying to wire a 1994 lt1 into 1996 chevy s-10


It should be a plug and play if your using the ECM for the 1994 engine. The ECM on the 1996 S10 will no work on the LT1 engine, for one thing the S10 ECM will only command for 6 fuel injectors and will have different injection pulse and so on. The program of the S10 ECM is made for the Vortec as to the LT1 will have different parameter **** as engine running temperature, vacuum readings, and timing.
The most obvious would be the 1994 LT1 runs on a OBDI system and the 1996 is running on a OBDII system. You can still run the 1994 LT1 from a 1994 with a OBDii system ecm, but some of the sensors will need to be upgraded to accommodate for the proper readings the OBDII system will need to have the engine to run right.
If you don't have the right ECM for the LT1, go to the wrecker's and locate one, Caprice, Camero, Firebird ECT.....
Thank you for using fixya and good luck on your project.

Apr 09, 2010 | 1996 Chevrolet S-10 Pickup

1 Answer

1996 4.0 litre petrol cherokee cranks but not start


5 volts is correct. Those sensors work off of a 5 volt reference signal.

Dec 25, 2008 | 1996 Jeep Cherokee Country

1 Answer

Idle gon crazy


ck for vacuum leaks if none found unplug mass air flow sensor and see if it runs better common problem on lt1 cars

Sep 26, 2008 | 1996 Chevrolet Impala SS

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