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4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.
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Old 02-27-2008, 07:44 PM   #1
redevil01
 
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Default 4.6 buildup 350, 400 rwhp

aright guys so im rather new to the mustang and 4.6 engine arena but not to engine building and i just bought this new 01 vert and already need some more power. with just getting my taxes back its time. im looking to make 350 to 400 rwhp. whats the easiest and cost effective way of doing this FI? built engine? ive built a few ls engines so i know i could do it. anyone have any naturally aspirated combinations that made this kind of power?
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Old 02-27-2008, 07:46 PM   #2
jlw2387
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Default RE: 4.6 buildup 350, 400 rwhp

Yeah, your gonna spend a crap ton trying to get it to 350-400rwhp N/A. Just slap on a Procharger and call it done.
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Old 02-27-2008, 07:48 PM   #3
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Default RE: 4.6 buildup 350, 400 rwhp

Just get a supercharger, i was gonna try that with the mach and found out it's cheaper and easier to supercharge it.
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Old 02-27-2008, 07:48 PM   #4
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Default RE: 4.6 buildup 350, 400 rwhp

how long will stock internals last under boost?
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Old 02-27-2008, 07:51 PM   #5
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Default RE: 4.6 buildup 350, 400 rwhp

JLW's right there.. you'd spend a lot more trying build 350-400 RWHP out of an N/A block than you would F/I.. Though I'd be careful about running anymore than about 8 psi without an intercooler, maybe 10 with.. And that because the stock 4.6 2v's have both cast crank and rods/hypereutectics.. Going F/I, you're safe up to about 350-375 RWHP.. Much more than that and it's BOOM!!
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Old 02-27-2008, 07:55 PM   #6
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Default RE: 4.6 buildup 350, 400 rwhp

either supercharger or nitrous and call it a day. 100 shot of nitrous with a few bolton support mods (full exhaust, intake, maybe tb+plen) will put you around 350rwhp and 400rwtq.
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Old 02-27-2008, 08:00 PM   #7
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Default RE: 4.6 buildup 350, 400 rwhp

i was thinking about building an engine with forged internals first then maybe supercharging later anyone know of any good deals on forged rotating assemblies ?
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Old 02-27-2008, 08:05 PM   #8
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Default RE: 4.6 buildup 350, 400 rwhp

Vortech SQ-S1 I think it is, Bullitt intake, and gutted stock mid pipe = 393 rwhp. Thats my bro's set up. All he did was put a Vortech on his Bullitt and already had a gutted midpipe.
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Old 02-27-2008, 08:08 PM   #9
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Default RE: 4.6 buildup 350, 400 rwhp

how long has he had this setup? no problems as of now? do the bullits make more power than a stock 01 2 valve? sorry i have lots of questions
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Old 02-27-2008, 08:09 PM   #10
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Default RE: 4.6 buildup 350, 400 rwhp

Hrrmmm.. I've been looking at Maximum Motorsports and Steeda for the forged assemblies myself... though all I need are the rods/rings as the mach came with the same forged crank that was in the 03/04 cobra.. Looking back on it that's probably what I should've done first.. lol

And I'm fairly certain the Bullitt's do make a little more power than the stock 01 2v's do.. don't quote me on that though..
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Old 02-27-2008, 08:09 PM
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