TwinTurbo.NET: Nissan 300ZX forum - the way boost was explained to me...not sure if it was right
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Subject the way boost was explained to me...not sure if it was right
     
Posted by 91300zx2+2 on October 07, 2005 at 5:05 PM
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In Reply To How much boost? (n/m) posted by Woody75 (Denver) on October 07, 2005 at 04:44 PM
     
Message basically the way boost was explained to me, was that it was a multiplyer for compression and that at sea level, compression in and TT would be 8.5:1 at 0 bar and say you boosted to 1 bar, compression would be doubled to 17:1 because the air pressure is effectively doubled......now if you boosted an NA to 1 bar, compression would be 10:1 x 2 making the compression 20:1. will someone please correct me if im wrong? you say people were expecting you to blow your motor....but why would that happen if you kept it at a safe boost level? isnt it the same deal for a tt? if you dont keep a safe boost level...youll blow the motor and detonate it to hell. i know the tt has the oil jets pointing at the underside of the pistons for cooling...but if you wanted to run a higher boost im sure you could compensate with a water injection kit or something if you really wanted to...i think turbochargin an NA, especially a convertible is a good idea for just a fun street car because then you would have a bit more low end power with the higher compression...just my .02

     
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