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Old 02-08-2010, 02:40 PM   #1528
sidewaysil80
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i just read this entire thread in one sitting and i'm still stumped! i cant decide between the 28rs .86 and the 2871r .64. i had the gt2871r paired with undialed bc cams (this was b4 it was discovered they need adj. cam gears) and it was HORRIBLE laggy. to the point where i downgraded back to an s15 turbo lol. i'm piecing together my new motor build and cant decide which to run... i'm going with tomei cams this time for sure.
obviously the 28rs will spool 15-17psi quicker...but how much faster? and at what efficency? i've read that most of you guys are hitting full boost around 3800 but thats like 19+psi and for a setup that i'd like to keep no more then like 330whp...is the 2871r necessary? i guess i'm just traumatized from my last experience with it LOL
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