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<blockquote data-quote="Chriszz11" data-source="post: 16002391" data-attributes="member: 161343"><p>Hello Everyone! I recently built a new engine for my 99 cobra that I don't think is running as well as it should. It is an 11.5:1 Compression 5.3 BBS with fox lake stage 3 ported 03 cobra heads, A set of custom grind Bullet racing cams 242/237 and set to 112 LSA, Sullivan fuel injected intake with stock fuel rails and 47lb injectors, Stock throttle body and a custom home made intake tube to the Lightning 90mm MAF, BBK Long tube headers, BBK Catted H-pipe, Borla Stinger cat-back, All accessories are functional as well. Anyways I had it tuned the other day, and it made 385hp and 344tq on a mustang dyno. I thought these numbers were pretty low and the graph looks odd to me, the horsepower peaks around 6700 and holds flat to redline and never falls off. I cant help but feel that this motor has more in it in the top end, but for some reason doesn't want to make power up there. Any Thoughts? Thanks in advance!</p></blockquote><p></p>
[QUOTE="Chriszz11, post: 16002391, member: 161343"] Hello Everyone! I recently built a new engine for my 99 cobra that I don't think is running as well as it should. It is an 11.5:1 Compression 5.3 BBS with fox lake stage 3 ported 03 cobra heads, A set of custom grind Bullet racing cams 242/237 and set to 112 LSA, Sullivan fuel injected intake with stock fuel rails and 47lb injectors, Stock throttle body and a custom home made intake tube to the Lightning 90mm MAF, BBK Long tube headers, BBK Catted H-pipe, Borla Stinger cat-back, All accessories are functional as well. Anyways I had it tuned the other day, and it made 385hp and 344tq on a mustang dyno. I thought these numbers were pretty low and the graph looks odd to me, the horsepower peaks around 6700 and holds flat to redline and never falls off. I cant help but feel that this motor has more in it in the top end, but for some reason doesn't want to make power up there. Any Thoughts? Thanks in advance! [/QUOTE]
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