ive searched everywhere and read everything i can find and still cant find the answer. from what ive read the red top and black top sr have the same power, but the black top is more expensive. what is special about the red top and black top that would make a person buy one or the other? and why is the black top more expensive? and any other info would be nice. thanx in advance
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1991-1993 202 hp@6000 rpm Garrett T25, 0.64A/R Exhaust, High-port head, 370cc/min injectors Red valve cover
S13 Silvia & 180SX 203 lb-ft@4000rpm 0.80A/R Compressor
1994-1998 S13 180SX 202 hp@6000 rpm Garrett T25, 0.64A/R Exhaust High-port head, 370cc/min injectors Black valve cover, flat on top
203 lb-ft@4000 rpm 0.80A/R Compressor
1994-1998 S14 Silvia 217 hp@6000 rpm Garrett T28, ball bearing 0.64A/R Low-port head, VTC variable intake Black valve cover with a hump
203 lb-ft@4800 rpm Exhaust 0.60A/R T04B Compressor cam timing 370cc/min injectors that peaks at cylinder No. 3
1999-2001 S15 Silvia 247 hp@6400 rpm Garrett T28 ball bearing, 0.64A/R Low-port head, VTC variable intake Black valve cover with a hump
(manual trans only) 202 lb-ft@4800 rpm Exhaust, 0.60A/R T04B Compressor cam timing, 444cc/min injectors, better materials in turbo and better wastegate flow design that peaks at cylinderLast edited by Stannyboy; 07-11-2006, 04:03 PM.
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