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-   -   Most power out of a 454? PROVEN combos???? (https://www.offshoreonly.com/forums/general-q/322512-most-power-out-454-proven-combos.html)

hogie roll 02-02-2015 09:03 PM
Originally Posted by Rookie (Post 4258426)
The wedges are first expoxied in, then drilled and tapped from the bottom then affixed with a bolt that is red loctited or expoxied in. This is the process for steel GM and steel Merlins. He has wedges for both.
Where are these wedges and what do they do?

picklenjim 02-03-2015 01:22 AM
On the bottom of the intake ports on the iron head pic. They reduce the port size for increased velocity and a raised floor gives it a better flow.


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