The impala ss LT1 did not come from the factory with roller rockers, they came with stamped steel rockers. If you are installing roller rockers in yours, the common advise is to go 1/2 turn after 0 lash, when the pushrod no longer moves up and down.
If you have a 2001 or newer engine, it comes with roller lifters and roller rockers from the factory.
If its the standard height, nothing. If they are screw in studs with tall nuts, then you will need tall valve covers.
check the engine block casting number
Is the motor the same? Do they both have A/C or no A/C?
Yeah sure, its that thing you stick your key into to start it.
They are fixed rockers so their are no adjustments for the rockers.
It has adjustable rockers.
yes
non adjustable rockers only unless you bought aftermarket roller rockers in which case they are just like Chevy rockers to adjust. buy a new set that's the only way your goin to adjust em or you could posibly file them down but your risking alot there. id recomend just buying a new oe set for your 307ci.
yes, with roller rockers.
1.5:1 with 3/8" trunions.
If you have a 2001 or newer engine, it comes with roller lifters and roller rockers from the factory.
To be sure on your particular model, take the VIN from the dash and call a Chevy dealership's parts department they will tell you.
chevy impala
If its the standard height, nothing. If they are screw in studs with tall nuts, then you will need tall valve covers.
First, open the hood to reveal the car's engine compartment. Then find the right fitting to adjust the rocker arms. Use the tool to adjust the rock arms to desired area.
Chevy 350 small block engines with hydralic lifters set at 0 lash. That means start the engine and adjust the valve until it just quits clicking. Then tighten the nut approx 3/4-1 turn then set the next one.