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Old 12-10-2012, 09:50 PM   #1
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All you need to know about building a 2v

Please post any facts of info you know about the 2v 4.6 engine. How much horse power can the bottom end hold. How much can the rods hold? what is needed to create a reliable daily driver that's also boosted to 9 or 10 psi from either a KB or a centri blower. I love my stang and really wanna put a blower on but this is my daily driver. The engine currently has 100,000 miles on it and i need to know what i need to get ready for 400-410 hp and not have to worry about blowing the motor in some way. But money isn't free flowing so i need reliable but still relatively inexpensive!

P.S. I want this to be a thread that other people can come to and find answers! So post any info you have to help out your brothers and sisters on the forum!
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Old 12-10-2012, 09:52 PM   #2
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I have no clue on 2v's....i know a sixxer block can see well over 400 without issue...even seen over 500 a couple times. But im sure youll get the info you want shortly
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Old 12-10-2012, 10:12 PM   #3
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I have no clue on 2v's....i know a sixxer block can see well over 400 without issue...even seen over 500 a couple times. But im sure youll get the info you want shortly
I hope the same goes for the 2v! it would make things a lot easier!
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Old 12-10-2012, 11:21 PM   #4
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I personally wouldn't run over 420hp, about 6psi is what I would recomend on a stock bottom end on a dd, ive seen people run 10psi on stock with no problems but personaly I think thats pushing it
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Old 12-11-2012, 04:57 AM   #5
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Stock bottom end can hold up to 450hp normally, but no tellin how long it would last cause that's the max you would wanna run
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Old 12-11-2012, 09:00 AM   #6
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I was thinking about doing a vortech supercharger and asked a shop these same questions. They told me our 2v engines if driven daily they will tune it no higher 375hp if track use no higher than 400hp. They also told me its just a matter of time past 400hp that these engines will spin a rod bearing or throw a rod. If its tuned right for street use it will last just fine but dont go too high and expect it not to have problems.
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Old 12-11-2012, 09:08 PM   #7
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I was thinking about doing a vortech supercharger and asked a shop these same questions. They told me our 2v engines if driven daily they will tune it no higher 375hp if track use no higher than 400hp. They also told me its just a matter of time past 400hp that these engines will spin a rod bearing or throw a rod. If its tuned right for street use it will last just fine but dont go too high and expect it not to have problems.
Thanks! I wanna be right at 400 hp. How hard is it to install rods yourself? I've heard rods are the weak point of these motors so thats really the main thing i wanna upgrade!
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Old 12-11-2012, 09:59 PM   #8
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Rod or pistons, usually when you get up to around the peak hp if 1 doesn't go the other will... If your gonna keep everything in stock form it won't be to bad, just make sure everything gets torques back to proper specs and the timing is right.. A haynes or chilton book will help out a bunch.... If your gonna replace the rods I would look into getting a forged rotating assembly or a shortblock that is rated to 600hp or so. That way you have room to play and grow
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Old 12-11-2012, 10:38 PM   #9
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Originally Posted by TopgearGT View Post

Thanks! I wanna be right at 400 hp. How hard is it to install rods yourself? I've heard rods are the weak point of these motors so thats really the main thing i wanna upgrade!
To do rods yourself you will have to remove the engine and disassemble the motor. Meaning no car to drive for awhile. It is expensive and I only recommend doing that if you are seriously adding some power to your car. If you get a supercharger just do a conservative tune ( below the 400p ) then plan on building a forged short block while you drive your car. Just search for a bare block put a cobra ( terminator ) crank in it and a full forged rotating assembly. Just my 2 cents lol.
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Old 12-12-2012, 10:51 AM   #10
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To do rods yourself you will have to remove the engine and disassemble the motor. Meaning no car to drive for awhile. It is expensive and I only recommend doing that if you are seriously adding some power to your car. If you get a supercharger just do a conservative tune ( below the 400p ) then plan on building a forged short block while you drive your car. Just search for a bare block put a cobra ( terminator ) crank in it and a full forged rotating assembly. Just my 2 cents lol.
somebody told me the cobra 4v bolts right up to the tr3650 and all i would need is a new wiring harness... is that true? cause im sure i could find a cobra motor out there and save myself a lot of money! what all would i need to make a motor from a cobra or mach 1 to work?
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Old 12-12-2012, 01:33 PM   #11
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All 4.6 blocks are pretty much the same, you can interchange parts between them... Tranny will bolt right up.. As far as the swap almost everything in your car will work... I couldn't find the link but look up 32vnomad on here and he wrote a very detailed guide to do the swap... It tells you everything you would need to know and buy to make it work
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Old 12-12-2012, 01:44 PM   #12
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Here is a good reference answered a lot of my questions.

http://www.therangerstation.com/Maga...0/Ford_4-6.htm
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Old 12-12-2012, 02:33 PM   #13
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Nomads write up

2v to 4v New Edge Swap writeup
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Suspension: H&R SuperSport Springs, KYB Shocks & Struts
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Old 12-12-2012, 03:20 PM   #14
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Thanks!
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Old 12-12-2012, 04:14 PM   #15
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