ELCOR CORP <ELK> 3RD QTR MARCH 31 Shr 21 cts vs eight cts Net 1.5 mln vs 536,000 Revs 26.6 mln vs 17.7 mln Nine months Shr 1.11 dlrs vs 43 cts Net 7.8 mln vs 3.0 mln Revs 86.9 mln vs 82.9 mln NOTE:Shares adjusted for 2-for-1 stock split payable May 28, 1987 to holders of record May 14, 1987. 1987 3rd qtr and nine months includes tax loss carryforward gain of 695,000 dlrs and 3.6 mln dlrs, respectively. 1986 3rd qtr nine months includes tax loss carryforward gains of 260,000 dlrs and 1.4 mln dlrs, respectively.