'98 Z28 LS1

13.5!!?!??!??! Holy crap! Whoa...that's awesome. You know, I'm not sure about horsepower, my engine was 250 bhp before, stock 2-bbl carb/intake and all, the 4-bbl carb 351 was rated at 290 bhp, so with my mods I was actually thinking like 350 give or take 15. But what's the difference between brake hp and just hp? Anything? So what kind of torque would I be making? 2-bbl is rated at 335 stock, 4-bbl at 385, I gotta be at least 425 or so right? So about what are all these numbers at the rear wheel? Sorry there are so many questions guys. I am just kinda lost here. I was thinking I'm gonna be like 14.5 then some people tell me 13s and that surprised me.

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'69 Coupe with 351W
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Edelbrock Performer-RPM intake manifold, Edelbrock Performer-RPM cam, Edelbrock lifters, Edelbrock 750 cfm carb, Accel coil, Moroso Blue-Max spark plug wires, Hedman headers, 2 1/2" pipe, glasspacks, Edelbrock double roller timing chain, Edelbrock valve springs, Flex fan, C4, Lakewood traction bars, 3:1 open rear-9" 3.89:1 posi coming this summer
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