I hand ported the adapter and ported the flange on a BP racing manifold. BP manifold freed up some power up top. (got the manifold cheap used, wouldn't recommend buying it new-not worth the $). This was all on my previous setup. Now running a Deadhook kit.
I would recommend sending the manifold and adapter out to [MENTION=688]Sourskittle[/MENTION] for porting. And shameless plug I believe I have an extra manifold if you don't want downtime or core charge.
I would recommend sending the manifold and adapter out to [MENTION=688]Sourskittle[/MENTION] for porting. And shameless plug I believe I have an extra manifold if you don't want downtime or core charge.
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