Reply to thread

Message: <blockquote data-quote="modo" data-source="post: 680049" data-attributes="member: 11716">Re: In Response to Javi's Post....its hard to not bring brand into it because of compressor, cfm, and volute designi am one of the people that prefer to s/c over putting a turbo on a car. i find it simpler to work on since there is less room taken up and i can remove it completely in less then a hour vs a couple hours. also i will be damned if i have to cut part of the car to make something fit. thats my personal opinion. of course you have to know where the power band of a particular combo is and choose the right part. your not going to put a 1600+ cfm blower on a stock 5.0 and expect to make the same power as a 1000 cfm even though the 1600 is a better / bigger blower. same reason you wouldn't slap a t3 on a car that should have a thumper on it. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" />i love when i hear people say that only positive displacement blowers give instant boost. i'd love to take them for a ride and show them how hard a YSI comes on and continues to pull upstairs. if someone is looking at getting into a blower car they should have a full understanding that what matters is CFM, adiabatic efficiency, and get a hold of the compressor maps. that will tell you exactly what model / trim blower you need. too many people get caught up with i want "x" amount of psi... in reality psi doesn't mean a damn thing.here is a real good example of use and efficency where psi means nothingmy motor in my sig. with a t-trim (1200 cfm) (6.87/2.95) pullies made 632 rwhp @ 16 lbs on pump gas and conservative timing (~6000 rpm)same exact motor with a YSI (1600cfm) (8/3) pullies made 659 @ 17 lbs on pump gas and same timing (~6000rpm)now the ysi did make a little more but did not have the power under the curve as the t even though the ysi is a far superior blower. it isn't being used correctly. t -trim while it wasn't done i was close to the point where it is most efficient. now the ysi is efficient at a much higher rpm then the t so i pullied it up with a (8/2.95) and used better gas to allow for the timing it should. car make 26 lbs at about 7000 rpm and was over 800 rwhp. the power under the curve was rediculous compared to the t previously. i think the t was a awesome blower and the new Si which is more efficient then a t and has more down low grunt is going to be a killer street blower for stock cars up 600 rwhp cars. its all about the application and use.</blockquote>