Rob,
Your mph is right on the money. If you're making 270rwhp that gives you right around 320fwhp if you figure 15% for driveline loss. I used one of the handy dandy calculators on this site and if you figure a 3000lb race weight it comes up with 12.30@110 with 320 hp. Was that 270 before or after the valve guide fix? We need to get a clutch and slicks on that car of yours
If you don't have much going on Saturday let me know. A few of us locals are getting together up in Utica for a grill out. I may hit Lapeer first thing in the morning and make a pass on a 210 shot and see what happens.(I'm bringing a basket to put the broken parts in lol) Not sure how much more those hypers will take....
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351w, tremec trans Best N/A Pass 11.44@120 Best Nitrous Pass 10.62@132