Quote: If you run the car at all in cool weather or on the street I would leave it open. Cars run better warmer then too cold
If my Chally has Edelbrock Performer (not Performer RPM!) with headers, is 100% street driven in VA where it gets 95F in summer and only occasionally driven in 45F or below in autumn, should I block the crossover or not?
If you are not using the heat well choke thermostat for the choke i would , no matter what those chrysler engineers think .
On the other hand if you have a smog era smallblock and the intake has never been off you are all set as the chrysler engineers designed those engines with a self blocking heat riser port ...
