sure you want to do this? make sure to port match them and not go bigger if you do. NO grinding in the valve pocket or you will kill performance. This aint no Chebby!
Quote:
Originally Posted by chris_e34
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sure you want to do this? make sure to port match them and not go bigger if you do. NO grinding in the valve pocket or you will kill performance. This aint no Chebby!
Quote:
Originally Posted by chris_e34
i am still debating doing this. i have researched it extensivly and from what i understand, a dinan free flow exaust kit or equivelent might be a better idea. the performance gains are not on par with the work involved in the widening job..... :) i think im goign to start another thread :)Quote:
Originally Posted by 632 Regal