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Bosal Headers article (p.4 of 6) torque-comparison graph and HP/TQ table: stock manifolds vs Brospeed/Bosal headers across 2000-7000 RPM; Bosal headers add a few HP/lb-ft (e.g. 125 vs 119 hp at 65 mph).

AI caption September 2006 · Photo 78 of 90

Bosal Headers llx'xx'aw! ls lmm IL: .- Page 4 of 6 Torque Comparison 130 E1 .J E + Dev '94. Holshm | :00 _ +E1nan '85, Stock Mannold g -n Brian '95, Bvospeeds E 590 ~ o . 1 . <10 ---------- i '" T . . 1 . . . . . . , . 1 . . . 1 713 1 4- ~1- 1 + x 2000 30:30 4000 RPM 5000 5000 7000 Tabular data are listed below: HP T "i I MPH I RPM Stock Manifolds (HP) Stock Manifolds (TQ) Basal Headers(HP) Basal Headers (TQ) l 30 II I 2466 1 52 111 53 113 I 1? 1 3 35 I 1 2877 3 64 117 66 120 5 2 7 40 I 3 3 885 3 J 117 76 122 l 45 J Ll 3699 6 85 121 89 127 so Iii 4110 g 94 120 98 126 55 I3 4521 L! 104 121 107 125 l l l 60 Q4932 LI 116 l. 124 120 123 I 65 I 53425 119 117 125 122 l 1 2 70 5753 _I 116 106 123 112 J 4 75 Ci 6164 3 106 90 J 115 98 l I E so I 76575 b 110 88 117 93 Z 85 E0 6986 7 99 75 109 82 i wwhu . '1 g6. - x .:f.-..I 1;. m http://Www.mtco.com/~westcj/Brian/bosal.htm 10/27/2001 u-

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