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Mustang Forums
2011-2014 Mustangs
Engine/Tuning
Wanna know how much boost drops with heads/larger headers/+.2L of displacement?
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<blockquote data-quote="11Sec_Lx" data-source="post: 16419639" data-attributes="member: 9869"><p>I ran a boost test this morning of my old engine vs new. Note... I added a +5% overdrive lower with the new setup, which makes the results even better! </p><p></p><p>Old:</p><p>Gen 1 Aluminator</p><p>Stock heads/stock cams</p><p>BBK 1-3/4" headers</p><p>Whipple 170mm mono</p><p>VMP Gen 3R, (69mm / stock lower) </p><p>dyno pull in 4th</p><p>Max boost = 22.5lbs</p><p></p><p>New:</p><p>5.2L</p><p>Gen 2 heads (ported by Airflow Solutions/Boss 302 cams)</p><p>Stainless Power 1-7/8" headers</p><p>VMP Performance 163R </p><p>VMP Gen 3R (69mm / +5% <-- adds boost!)</p><p>Street pull in second and through 3rd into 4th. (I manually shifted from 2nd to drive once I went wot)</p><p>Max boost = 19.5lbs</p><p></p><p>Even with a +5% overdrive lower and larger throttle body, it still dropped 3lbs. [emoji106]</p><p></p><p>Is anyone surprised? I was hoping for this, but didn't really know, as everyone seems to go straight to larger cams where I didn't.</p><p></p><p>Sent from my SM-G988U using the <a href="http://r.tapatalk.com/byo?rid=92568" target="_blank">svtperformance.com mobile app</a></p></blockquote><p></p>
[QUOTE="11Sec_Lx, post: 16419639, member: 9869"] I ran a boost test this morning of my old engine vs new. Note... I added a +5% overdrive lower with the new setup, which makes the results even better! Old: Gen 1 Aluminator Stock heads/stock cams BBK 1-3/4" headers Whipple 170mm mono VMP Gen 3R, (69mm / stock lower) dyno pull in 4th Max boost = 22.5lbs New: 5.2L Gen 2 heads (ported by Airflow Solutions/Boss 302 cams) Stainless Power 1-7/8" headers VMP Performance 163R VMP Gen 3R (69mm / +5% <-- adds boost!) Street pull in second and through 3rd into 4th. (I manually shifted from 2nd to drive once I went wot) Max boost = 19.5lbs Even with a +5% overdrive lower and larger throttle body, it still dropped 3lbs. [emoji106] Is anyone surprised? I was hoping for this, but didn't really know, as everyone seems to go straight to larger cams where I didn't. Sent from my SM-G988U using the [URL=http://r.tapatalk.com/byo?rid=92568]svtperformance.com mobile app[/URL] [/QUOTE]
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2011-2014 Mustangs
Engine/Tuning
Wanna know how much boost drops with heads/larger headers/+.2L of displacement?
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