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Old 02-16-2014, 05:12 PM   #1
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Engine decions? 4.6 2V or 4V?

I seem to be constantly conflicted with what I want in the end with my 2001 gt. I have ridden in a 2002 gt that was kenne bell charged and it was an awesome ride but I've seen many cars that can out run it. This leads me to the question of building a beast of an engine. Would it be more beneficial to build my 4.6 2V with a turbo or some form or super charger since I already have the engine and wont have to worry about fitment issues, or would a engine swap be a better idea? I have searched ebay and have found the 4.6 4V engines with the transmission for about 10k that have roughly 400hp but I could be at 400 for less money if I were to stick with my 2V. And what should I be looking to expect out of a 4V swap? Just constant confliction lol. If anyone has done a similar swap or have info to share, some comments and ideas would be much appreciated! And budget isn't really an issue.
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Old 02-16-2014, 05:21 PM   #2
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A stock 4v is nothing to run home about. But when you start modding it the more airflow you can get through those heads will help you net larger numbers/more power than if it were the 2v


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Old 02-16-2014, 05:45 PM   #3
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We'll I hope that 10k gets you a terminator motor and not just a regular 4V. Terminator motors can be had for in the $6k range and would be much better than buying a base 4V
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Old 02-16-2014, 05:47 PM   #4
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I was referring to a termi, I should have stated that in the post.
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Old 02-16-2014, 05:48 PM   #5
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Than doooo it!


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Old 02-16-2014, 05:48 PM   #6
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$10K for a 4V? Couldn't you just sell your 2V pony and look for a Mach 1 than slowly upgrade it? You'd get the 4V engine and a rare car.

Edit: Oh, I see. I just love the 04' Mach 1's.
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Old 02-16-2014, 05:49 PM   #7
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and I'm thinking more along the lines of a long term project. I know those 4V's can really scream when built up, but that versus keeping my 2V in the end is what I'm not sure of.
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Old 02-16-2014, 07:02 PM   #8
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For now put a blower on the 2v and slowly build the suspension just the way you want. This will give you the power and setup to have one sweet stop light street machine and the potential to run low 12s possibly high 11s with slicks. In the process of this save your money an when that 2v throws a **** buy a new 2v with stage 3 heads and cams along with a forged rotating assembly from MMR for $4995. Swap the blower over to the new 2v and you now have a 500hp gt that will surprise the HELL out of anyone. Plus the 2v is much cheaper than the 4v parts. Just an option lol
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Old 02-16-2014, 07:06 PM   #9
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IMO if you have a 4V build the 4V, if you have a 2V build the 2V. The 4V advantage is gone with the new TFS 2V heads. PPl with NA 2V 5.0 strokers are hitting 400whp with them all motor on pump gas. I personally would just build the 2V and that's what I'm doing with mine. Slap a supercharger on a stock longblock and tune for 400whp, enjoy it for a few years while you build a new motor on the side and upgrade the rest of the car to accept it.

I mean technically for a max effort modular you'd probably still want to go 4V and use the GT supercar heads or something but the TFS heads will easily support 4 figure horsepower. The 2V also has some advantages over the 4V such as 2 cams are less $$$ and less parasitic loss than 4. They also weigh less and the 2V heads are lighter than the 4V and you have more room in the engine bay. Although even with a 2V room to work is at a premium...

The other option is to just swap in a Coyote which is not really going to cost anymore than building a 2V or 4V in the end.
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Old 02-16-2014, 07:19 PM   #10
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IMO if you have a 4V build the 4V, if you have a 2V build the 2V. The 4V advantage is gone with the new TFS 2V heads. PPl with NA 2V 5.0 strokers are hitting 400whp with them all motor on pump gas. I personally would just build the 2V and that's what I'm doing with mine. Slap a supercharger on a stock longblock and tune for 400whp, enjoy it for a few years while you build a new motor on the side and upgrade the rest of the car to accept it.

I mean technically for a max effort modular you'd probably still want to go 4V and use the GT supercar heads or something but the TFS heads will easily support 4 figure horsepower. The 2V also has some advantages over the 4V such as 2 cams are less $$$ and less parasitic loss than 4. They also weigh less and the 2V heads are lighter than the 4V and you have more room in the engine bay. Although even with a 2V room to work is at a premium...

The other option is to just swap in a Coyote which is not really going to cost anymore than building a 2V or 4V in the end.

You read about that guys build on modded mustangs huh?

He was just shy of 400 I think all motor I think it was like 393


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Old 02-16-2014, 08:10 PM   #11
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Quote:
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You read about that guys build on modded mustangs huh?

He was just shy of 400 I think all motor I think it was like 393


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I read about that one on the corral actually. 04Ryan tuned it to 393 and swears the guy has another 10-20whp left in it and he isn't even as high as you can go compression wise. But he isn't the first one to build a 400whp 2V, they are just starting to become more commonplace as more and more ppl drop the coin on the TFS heads. Couple this with the fact that its getting harder and harder to find good C head castings since they are no longer made and we'll see more 2Vs for this reason too.
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Old 02-17-2014, 12:50 PM   #12
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4V is fun,
Minor bolt Ons and it's fast enough well for me ,
I have gears, short throw, X pipe
And I love it ,

You can make a fast car out of a 2V my buddy had the tork tech kit on his built 2V ( stock heads ) and he made close to 500
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Old 02-17-2014, 03:43 PM   #13
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Lots of fast 2Vs. If you can get a 4V for the same price or close to it you do get amazing heads already but you can usually find a good 2V for very little money in good shape or one for next to nothing as a donor vehicle to swap into a clean v6 or 4 banger fox.
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