509whp 35R X
It is not a twin scroll. The reason is the biggest housing is the 1.06 T4 and I dont think that is a good match for how well the 4B11 breathes. Stock cams dont affect spool adversely, no.
Yeah boost hit 27 peak and then tapered down to 26 out the top. The 23.7 you saw is lag in the dyno recording the MAP sensor input relative to rpm.
You want the power further to the right? I presume you mean to the left?
Yeah boost hit 27 peak and then tapered down to 26 out the top. The 23.7 you saw is lag in the dyno recording the MAP sensor input relative to rpm.
You want the power further to the right? I presume you mean to the left?
The 1.15 t4 is now listed on fp's website. Are they not available quite yet?
Peak boost from 5-7k appears to be 10.5-11. Once boost tapers off, it's safer to lean out due to lower cylinder pressures.
That thread they made on EvoX was very informative, certainly threw a curve ball at some long established 'theories'
That thread they made on EvoX was very informative, certainly threw a curve ball at some long established 'theories'
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Joined: Jan 2004
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From: Northwest
Stock block and internals. The 11.7 isnt exactly rich but where it is the EGT wont come into play as fast as if the whole pull was my normal drag race 12.0 or 12.3:1 pull. 4B11s run so much hotter its not a good idea to go crazy lean on the tune.
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