I have a 89 Camaro rs with a 2.8l v6. I replaced the intake manifold gaskets and now the car starts and it shakes bad. If I floor the car it dies. If I rev it up it shakes worst. Thanks

Anybody

Did you remove and replace any of the spark plug wires and connections? If so, double check you hooked them up in the appropriate firing order.

I replaced the plugs, wires, rotor, ignition coil about 6 months ago. The car ran fine before I changed gaskets. Except the intake gasket was leaking. I changed the sensor on the intake manifold, new thermostat, and injectors. I adjusted the rocker arms like it says to do in Manuel. Could it be that the timing is off? Also does anybody know what the compression should be per cylinder?

I would check the timing and make sure that the plug wires are installed in the correct spots/order. Also check for any other possible vacuum leaks.

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Pulled the codes ?

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try starting the engine and spraying water around the intake if it clears up the problem you have a intake gasket leak

There are no codes. Going to check timing and look at plug wires tonight.