Hot Rod - - Are Carbs Still King? -

Hav­ing never tested the sin­gle-plane in­take from Trick Flow Spe­cial­ties, we were ex­cited about getting this one on our test en­gine. The TFS in­take of­fered solid per­for­mance, with peak num­bers of 652 hp at 6,900 rpm and 557 lb-ft of torque at 5,300 rpm. Un­like some of the oth­ers, this TFS man­i­fold was de­signed specif­i­cally for car­bu­reted LS3 ap­pli­ca­tions, though in­jec­tor bungs were present. As with many of the in­takes, we would like to see TFS of­fer a ver­sion with a 4500 car­bu­re­tor flange, as this 415-inch stro­ker cer­tainly re­sponded to ad­di­tional air­flow. The TFS in­take of­fered good av­er­age power pro­duc­tion and 496 lb-ft of torque at 4,000 rpm.

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