MANIFOLDS - Chevrolet - Multiple Carbs - LS1
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RPM AIR-GAP DUAL-QUAD LS1 (1500-6500 rpm)
Now, hot rodders can have the late-model muscle of the popular Gen III and the classic look of dual-quad carbs. Designed for LS1, LS6, LM7 (5.3L), LR4 (4.8L), and LQ4 (6.0L) engines, the new RPM Air-Gap LS1 Dual-Quad delivers outstanding performance from 1500 to 6500 rpm. Included with the #7518 is an electronic timing module that picks up MAP, crank position, and cam position in order to drive the stock ignition system. Also available, complete carb and manifold kits.
Applications Part #
RPM Air-Gap Dual-Quad manifold for Vortec (non-EGR) #7518*
RPM Air-Gap Dual-Quad LS1 manifold for GM Gen III (non-EGR) w/ EnduraShine finish #75184*
RPM Air-Gap Dual-Quad manifold GM LS1 - Carbureted (No Electronics) #75187*
 
Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 500 cfm.

Installation Notes: Uses LS1/LS6 style individual port o-ring seals. Crankshaft sleeve #HP3795 and Flexplate #HP4004 is recommended when using a TH350, TH400 or 700R4 on a LS1; these items are available through Hughes Performance retailers or you can call Hughes at 800-274-RACE.

Manifold height: A-5.05", B-5.64"; Carb pad height: 5.35". Port exit dimensions: .98" x 2.72".
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