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Old 12-10-2013, 10:19 AM   #1
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what to do?

I'm doing an engine build. Fully forged rotating assembly and turboed. Not sure if single or twin yet. Which would be better for getting to my goal of 600-700 to the wheels 2v or 4v?
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Old 12-10-2013, 10:33 AM   #2
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2V will be cheaper and less stuff to buy/convert. Both platforms can get to those levels no issue with a blower. What is the rest of your driveline like? Chassis stiffening? Cage? Supporting mods?

Budget?
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Old 12-10-2013, 10:49 AM   #3
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2V will be cheaper and less stuff to buy/convert. Both platforms can get to those levels no issue with a blower. What is the rest of your driveline like? Chassis stiffening? Cage? Supporting mods?

Budget?
No cage. Im going to use ford racing driveshaft, 3.73 gears, torsen diff, weld on stiffening and I cant think of what they're called but it's the bar that goes over your engine
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Old 12-10-2013, 10:56 AM   #4
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4v will always have more potential than a 2v
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Old 12-10-2013, 10:59 AM   #5
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4v will always have more potential than a 2v
+1 and the 4v takes to mods a lot better than the 2v
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Old 12-10-2013, 11:08 AM   #6
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But aren't 4v parts 6 times as expensice?
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Old 12-10-2013, 11:14 AM   #7
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But aren't 4v parts 6 times as expensice?
The heads and cams will be put the forged pistons and rods are the same part and yeah it will cost more but it will be faster
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Old 12-10-2013, 11:21 AM   #8
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But aren't 4v parts 6 times as expensice?
I have a buddy with a Procharged 2v and he's hitting 490. It's whichever u want. But if he's ganna get more he's ganna have to squeeze it out lol
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Old 12-10-2013, 11:21 AM   #9
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The heads and cams will be put the forged pistons and rods are the same part and yeah it will cost more but it will be faster
Thats kinda my problem. I know rotating assembly will be 1-2k but is it really worth it to spend twice as much on heads and cams if my goal isnt sky high?
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Old 12-10-2013, 11:23 AM   #10
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Thats kinda my problem. I know rotating assembly will be 1-2k but is it really worth it to spend twice as much on heads and cams if my goal isnt sky high?
I'm sorry you said your goal was 600-700 that's pretty f*ching high
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Old 12-10-2013, 11:25 AM   #11
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Originally Posted by Dogbitdude View Post

Thats kinda my problem. I know rotating assembly will be 1-2k but is it really worth it to spend twice as much on heads and cams if my goal isnt sky high?
If u want 600-700 ur ganna need a 4v. It's not cheap but it's ganna get u there
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Old 12-10-2013, 11:39 AM   #12
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I'm sorry you said your goal was 600-700 that's pretty f*ching high
In my mind sky high is 800 and on. Like supercar to hypercar range is sky high. 6-700 is high but I wasn't thinking supercar status
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Old 12-10-2013, 12:40 PM   #13
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In my mind sky high is 800 and on. Like supercar to hypercar range is sky high. 6-700 is high but I wasn't thinking supercar status
To put 600-700 to the ground your going to have to be close to 700-800
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Old 12-10-2013, 03:06 PM   #14
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To put 600-700 to the ground your going to have to be close to 700-800
So you would say a 700hp 2v can't happen?
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Old 12-10-2013, 03:14 PM   #15
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So you would say a 700hp 2v can't happen?
Yes it can but not as easy as a 4v you will have to put more money in mods to make a 2v as fast as a 4v
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Old 12-10-2013, 03:30 PM   #16
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Yes it can but not as easy as a 4v you will have to put more money in mods to make a 2v as fast as a 4v
What if the goal was 500-550 to the wheels?
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Old 12-10-2013, 04:16 PM   #17
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What if the goal was 500-550 to the wheels?
You loose in between 50 to 75 hp for the crank to the wheels on both the 2v and the 4v. What's good about the the 4v is you have more gas and coming in and more exhaust coming out so it runs more effectively. You will see bigger numbers out of each mod on a 4v over a 2v.
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Old 12-10-2013, 04:57 PM   #18
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You loose in between 50 to 75 hp for the crank to the wheels on both the 2v and the 4v. What's good about the the 4v is you have more gas and coming in and more exhaust coming out so it runs more effectively. You will see bigger numbers out of each mod on a 4v over a 2v.
if i wanted to make 500 to the wheels and thats it would i be able to hit the mark with ported 2v or cnced 2v heads with a kenne bell on top?
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Old 12-10-2013, 05:13 PM   #19
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if i wanted to make 500 to the wheels and thats it would i be able to hit the mark with ported 2v or cnced 2v heads with a kenne bell on top?
All these guys saying to go 4V keep forgetting all the extra money you would be spending to swap to a 4V, and then you have to build it from there. 500 is easy to hit no problem with a built motor, 600 will take a bit more effort but is still quite doable. The tough part would be hitting the mid 700s and keeping it fairly drive able. It's been done before and will be done again
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Old 12-10-2013, 05:17 PM   #20
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All these guys saying to go 4V keep forgetting all the extra money you would be spending to swap to a 4V, and then you have to build it from there. 500 is easy to hit no problem with a built motor, 600 will take a bit more effort but is still quite doable. The tough part would be hitting the mid 700s and keeping it fairly drive able. It's been done before and will be done again
I'm not telling him to switch to a 4v I'm answering his questions on them and saying he will see more power out of a 4v
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Old 12-10-2013, 05:36 PM   #21
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I'm not telling him to switch to a 4v I'm answering his questions on them and saying he will see more power out of a 4v
Sure sounds like it
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Old 12-10-2013, 06:05 PM   #22
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Sure sounds like it
Where did I tell him to do a 4v swap I said a 4v has more potential and then the op started asking me questions and I was answering them
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Old 12-10-2013, 06:25 PM   #23
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Where did I tell him to do a 4v swap I said a 4v has more potential and then the op started asking me questions and I was answering them
Not you specifically, Doe_Rae_Mi specifically said that but you didn't.
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Old 12-11-2013, 07:47 AM   #24
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Lol, some ppl need to get to the track more or do some more actual real world engine buildups instead of recycling stuffs they read on the interwebs.

700+ 2v is easy relatively speaking. Forge it, PP'd heads, Eddy intake, blower cams and a blower. 22-24 psi will get you there no problem. Of course with the right drivetrain and car to support that level. TFS heads are good for 900+ and you also don't have as much parasitic loss on a 2V from the extra valvetrain, 2 cams are less money than 4 cams, 2V weighs less and there are still new 2V head castings being made. The supply of good revised C head castings is getting limited and the price will only go up.

I would (and am) go 2V all day and twice on Sunday. Unless you need four figure HP a 2V can get you there just fine.

However, a 700whp car is not something you want to be doing right off the bat espeically if you are just coming onto a forum and asking "what is better". Research, research, research. Here, the Corral, SVTP, Stangnet, MustangForums, ModdedMustangs etc... use the search feature.

Final thought, PROPERLY done this is a $10k minimum build and that is doing all the work yourself. Double it if you are having a shop do it. And that's with all the basic bolt ons already done so throw another $2-$3k at it on top of that depending on what you are having done.
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