I theory and in practice now if you where looking for maximum acceleration and to maintain the low speed torque ( off idle ) and throttle response you had with the other combo you can go up 25% higher in rear gear ratio, that is if your chassis set up and tires can hook up your new level of power?
Your new heads have at least 28% larger minimum port area then your stock 6X heads did, this in and of itself without the cam change factored in means that the rpm of peak torque and Hp will now be 28% higher then what it was before.
There’s always a trade off with a NA when you make combo changes and it always boils down to what you can make due with less of and what you want more of!
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I do stuff for reasons.
Last edited by 25stevem; 07-16-2022 at 08:03 AM.
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