I dunno if you are going to be able to take it if you run a 15.4.... I think most lt1's run almost a full second faster than you.
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92 AOD GT, K&N, ram air, pulleys, 2 ch. flowmasters, 4:10's, shift kit, 1 5/8 mac longtubes and offroad hpipe 14.249 @ 97.34 mph before the headers and hpipe
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