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SN95 Cobras
realistic approach to 400RWHP N/A
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<blockquote data-quote="xblitzkriegx" data-source="post: 13299979" data-attributes="member: 105608"><p>*sigh* i know the b head ports are huge. i underestimated just how big they are. i imagine thats why torque will be terrible. just not enough potential flow from a 4.6l engine under 8000rpm bleh. im going to also guess that they probably wouldnt be much better on a 5.4 either. i mean, better than a 4.6 but still giant. </p><p></p><p>i was really hoping to use stock parts that the cobra came with just because i thought it might be a fun challenge. ive seen various b headed cars with cams and other mods hitting between 350-380hp but none had high compression AND port work AND SRI all at once. </p><p></p><p>well, i like to think that it could be done but it doesnt appear so, not with b heads, and especially without a stroker. bleh.</p><p></p><p>so in keeping with a realistic approach and to retain a someone stealthy solution would be: 03/04 c heads/marauder heads...Mach1 intake lower and an adapter to keep the b head upper intake. </p><p></p><p>also, i should offer my version of what i think streetable is? a streetable engine to me is one thatll make vacuum for brakes and idle in hot weather without overheating. everything else is fair game. 1000rpm idle is ok with me. having the engine run rough under 2000rpm is ok too. ive owned/built engines that didnt clean up till 2000rpm and it was great fun. they werent mod motors though. </p><p></p><p>i still think itd be kinda fun to try to get a b headed motor to 400rwhp on stock stroke. sucks that itd take 8000rpm to do it.</p></blockquote><p></p>
[QUOTE="xblitzkriegx, post: 13299979, member: 105608"] *sigh* i know the b head ports are huge. i underestimated just how big they are. i imagine thats why torque will be terrible. just not enough potential flow from a 4.6l engine under 8000rpm bleh. im going to also guess that they probably wouldnt be much better on a 5.4 either. i mean, better than a 4.6 but still giant. i was really hoping to use stock parts that the cobra came with just because i thought it might be a fun challenge. ive seen various b headed cars with cams and other mods hitting between 350-380hp but none had high compression AND port work AND SRI all at once. well, i like to think that it could be done but it doesnt appear so, not with b heads, and especially without a stroker. bleh. so in keeping with a realistic approach and to retain a someone stealthy solution would be: 03/04 c heads/marauder heads...Mach1 intake lower and an adapter to keep the b head upper intake. also, i should offer my version of what i think streetable is? a streetable engine to me is one thatll make vacuum for brakes and idle in hot weather without overheating. everything else is fair game. 1000rpm idle is ok with me. having the engine run rough under 2000rpm is ok too. ive owned/built engines that didnt clean up till 2000rpm and it was great fun. they werent mod motors though. i still think itd be kinda fun to try to get a b headed motor to 400rwhp on stock stroke. sucks that itd take 8000rpm to do it. [/QUOTE]
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realistic approach to 400RWHP N/A
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