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My guess would be the tune. The #7 is always the first to break the ringland even on a naturally aspirated motor. This is the danger of an s/c on an engine not built for it but you don't see these shops who do tuning and selling them telling you this do you? The compression is to high and the pump gas is not friendly to it.. its all a risk. It's not the fuel system. If so everyone would have issue.
What really kills me is that I just got off the phone with someone who is being pushed in the same direction.. to go s/c and the person pushing them thinks there is no risk at all..... That's why we have broken engines all over the place. Shop Yada Yada will tell you they have a car ruining 8 lbs for 10 years without issue.. or are making 650 rwhp on the stock engine...
This is the truth about what can happen and does happens to a boosted engine not built for it running pump gas.
There is nothing wrong with the Edelbrock unit or setup. Its the tune and pump gas.. or the car was hammered to death and broke on the dyno.
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