Thread: head upgrade disappointment

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turbo,
Hey, if you're gettin' away with it, keep gettin' away with it!
I know of no way to figure SCR from cranking pressure. You have the variable of the intake valve closing point.

Originally Posted by techinspector1

turbo,
Hey, if you're gettin' away with it, keep gettin' away with it!
I know of no way to figure SCR from cranking pressure. You have the variable of the intake valve closing point.

There are some ways to figure it. Several have figured it fore me in a couple different ways on the 302 which came out between 11.6 to 12.5 static (truely its just short of 9.0). This engine was built to embrace everything I have learned to keep air speed up. In many builds I have done it and its like having a couple lbs of boost.

Originally Posted by turbo2256b

There are some ways to figure it. Several have figured it fore me in a couple different ways on the 302 which came out between 11.6 to 12.5 static (truely its just short of 9.0).

Yeah, those several sure nailed it. hahahahahahahaha.
Would you like to share with us how you keep mixture speed up? What motor? What components?

Originally Posted by techinspector1

Yeah, those several sure nailed it. hahahahahahahaha.
Would you like to share with us how you keep mixture speed up? What motor? What components?

The caculations are not all that inacurate as it nailed it on most builds. However most have less dynamic than static.

In a nut shell it has to due with selecting componets that complement each other as well as possible and or modifing them to do so.
Would need a new topic started on it.