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I don't run an EGR so I used a Moroso fuel pump block off plate for a 351M, which fits the Roush intake EGR opening perfect.
I do use a cutom chip that I had the EGR turned off with.
Just to clarify I was running a complete stock 100K long block when the car made 343RWHP. With the stock intake the car made 313, so the Roush intake alone made over 30RWHP increase.
I now have AFR 185 heads and a Comp 270 cam. The last dyno run the car made 425RWHP. The peak HP and Torque crossed each other so the Powerdyne is running out of air.
I think If I bolted on a Vortech S-Trim the car would make another 40-60RWHP.
Jim
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