There she blows

[bri32z]

Was on my way back from the local Pharmacy and this guy in a primer chevelle wants to go. I wasn't feeling too well I have pnemonia. But he would not stop messing with me. So I said I am tired of him. So at the next light We get it. I got him real bad off the line. I am on motor no bottle. And at the end of second I heard a loud popping noise----very loud. I slowed dowm and waved him on. Now my car is soooo slow have no idea what is wrong. My mechanic is away racing so I can not take it to him. Any Ideas. I did loose the race by the way no excuses from me.

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95 gt:347 stroker balanced,edelbrock 150 shot, edelbrock intake and heads ported and matched, 70mm throttle body, 75mm mass air meter, 2040 cam, 1.7 cobra rockers,cold air induction, bbk equal lengths,high flow h-pipe, super chip, 24lb injectors,190lph fuel pump(bbk), under drive pulleys, 4;30 gears,Hurst shifter Has other mods but not too sure what my mechanic did. To see all mods look at my spec page.
R/T .641
60FT 1.57
1/8 6.98
1/4 10.81 @ 127MPH