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Old 11-04-2012, 08:21 PM   #1
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v6 or v8

Ok, so I have a 1994 v6 and I am trying to figure out which route will be cheapest to get 500-550hp. To buy, and turbo and cover a 3.8 to a 4.3. Or swap in a 5.0?
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Old 11-04-2012, 08:31 PM   #2
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I'll be honest with you bud, when i first got my mustang i had dreams of burning rubber and smoking everyone on the street, but i've come to realize that a V6 mustang is mostly for looks unless you have an ungodly amount of money to get it up to 500 horse. I'm in the process of saving up some cash, and keeping as many miles off the stang as i can in order to sell it. I plan on going V8, either supercharged GT or a 99 or 01 cobra. It's just easier i guess. Good luck though with whichever route you choose. It'd be impressed to see a 500 horse v6 flaunting around this forum.
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Old 11-04-2012, 10:13 PM   #3
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V8. Plan and simple. 2 more cylinders to play with and the V8 has a lot more toys to play with.
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Old 11-04-2012, 10:27 PM   #4
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You are going to need a fully built motor long before you even think about getting to that number
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Old 11-05-2012, 04:55 AM   #5
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Well was talking with my buddy and my v6 to get this power id need to bore. 30, get a 4.2l crank, forged internals, topend work, and a tt kit. For the 5.0 a tune, use -'93 bottom end for the forged internals, cobra heads and intake, and a single turbo, or nitro. But im trying to figure out which will be cheaper. The 3.8 modd or the 5.0 swap. Which do u guys think will be cheaper?

---------- Post added at 05:55 AM ---------- Previous post was at 05:54 AM ----------

I have a 1994 single port v6 mustang. Ill need to buy a multiport v6 if I stay v6 so I'm buying a new motor no matter what.
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Old 11-05-2012, 04:58 AM   #6
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500hp is a big order for a V6.
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Old 11-05-2012, 05:34 AM   #7
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Quote:
Originally Posted by stangcobra
Ok, so I have a 1994 v6 and I am trying to figure out which route will be cheapest to get 500-550hp. To buy, and turbo and cover a 3.8 to a 4.3. Or swap in a 5.0?
V8!!!!!!!!!!!

---------- Post added at 05:34 AM ---------- Previous post was at 05:32 AM ----------

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V8!!!!!!!!!!!
I have both v6 auto and v8 manual. Believe me. V8 it is!
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Old 11-06-2012, 04:55 AM   #8
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I am going the v8 route cuz it is cheaper.
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Old 11-07-2012, 08:00 PM   #9
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a twin turbo v6 could see 700+ hp, theres one on youtube. It would be cheaper to go with the V8 but could you imagine the look on peoples faces when you smoke them with a V6.
i'm getting a used 5.0 from an old beat-up f-150. it's probably got 200,000+ on it, it was used by a construction site as one of there trucks( I don't know what work they did with it) and they flipped it. I'm getting it for free though so... i'm not complaining.
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Old 11-08-2012, 09:31 AM   #10
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Quote:
Originally Posted by lemons95
a twin turbo v6 could see 700+ hp, theres one on youtube. It would be cheaper to go with the V8 but could you imagine the look on peoples faces when you smoke them with a V6.
i'm getting a used 5.0 from an old beat-up f-150. it's probably got 200,000+ on it, it was used by a construction site as one of there trucks( I don't know what work they did with it) and they flipped it. I'm getting it for free though so... i'm not complaining.
Does the v6 t5 trans bold right up to the 5.0?
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Old 11-08-2012, 09:42 AM   #11
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you will need the 5.0 bell housing but it should fit. People recommend getting a GT transmission. the twin turbo mustang guy said his transmission held up to 600 and it was a v6 transmission, made by roush...
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Old 11-08-2012, 09:45 AM   #12
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Quote:
Originally Posted by lemons95
you will need the 5.0 bell housing but it should fit. People recommend getting a GT transmission. the twin turbo mustang guy said his transmission held up to 600 and it was a v6 transmission, made by roush...
Oh ok. Ill pay the extra 200 then for the tran that comea with the 5.0 I'm looking at.
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Old 11-08-2012, 09:47 AM   #13
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If you get to 500hp with a 5.0 you have to buy an aftermarket block, they will just split in half..

As for the V6 you can dump as much hp as you want on the block its never been broken, as for the internals factory wise you can have 400rwhp if they do a very good tune, and I believe the 5.0's is similar to that rating factory wise
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Old 11-08-2012, 10:05 AM   #14
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Quote:
Originally Posted by stangcobra
Ok, so I have a 1994 v6 and I am trying to figure out which route will be cheapest to get 500-550hp. To buy, and turbo and cover a 3.8 to a 4.3. Or swap in a 5.0?
You definitely want to go with v8
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Old 11-08-2012, 11:57 AM   #15
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You're looking at well over 20k to get that number with supporting mods
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Old 11-08-2012, 12:21 PM   #16
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<5K forged bottom end assembled in block with arp hardware from SSM (or save money buy all parts and self assemble)
~2K BV heads with ported lower intake from KPP
250 cam from KPP
4200 single turbo street/strip kit (you can find used turbo kits floating around for a couple grand, sometimes a lot less, recent example there was a kit for 550 on V6P.net)
~600 in fuel upgrades
~1000 If you have a 4R70W trans a tq converter/cooler/shift kit is all you need
~1000 8.8 swap with better diff and 31spline axles

So at about 14K-15K in all new parts (probably add in another 500 or so for gaskets and some nice head studs)

I think that's everything :headscratch:
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Old 11-08-2012, 02:21 PM   #17
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DON'T FORGET DYNO TUNE!!! Lol
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Old 11-08-2012, 02:25 PM   #18
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Ah yeah, or remote tuning through some people is good too

Another 350-400
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Old 11-08-2012, 02:29 PM   #19
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I don't think you counted labor for all that unless the op can do it
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Old 11-08-2012, 02:31 PM   #20
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Quote:
Originally Posted by Venomouz831
I don't think you counted labor for all that unless the op can do it
I did say parts sir lol

Of course, the hardest part would come assembled at that price which is the bottom end, heads intakes (by the way forgot cost of Windstar upper intake, ~100) bolt in the turbo kit eh not really hard if you have a Haynes manual for tq specs
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Old 11-09-2012, 09:55 PM   #21
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Quote:
Originally Posted by davidcseifert

I did say parts sir lol

Of course, the hardest part would come assembled at that price which is the bottom end, heads intakes (by the way forgot cost of Windstar upper intake, ~100) bolt in the turbo kit eh not really hard if you have a Haynes manual for tq specs
Its cheaper than going 3.8 converted to TT 4.3, I am not planning on getting the 500-550 soon. That's just the range I want in the end.
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Old 11-09-2012, 10:53 PM   #22
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Have you thought about a 4v 4.6L swap? 32vNomad did a 2v to 4v swap on his 2002 GT. he made a write-up covering all the work needed. Checkout his sticky and write-up.

2v to 4v New Edge Swap writeup
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Old 11-09-2012, 10:55 PM   #23
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Yea 32vnomad seems to really know his stuff when it comes to the 4.6's. try to PM him
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Old 11-09-2012, 10:56 PM   #24
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He helped colejohnson ALOT
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Old 11-09-2012, 11:38 PM   #25
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Its cheaper and more direct to do a 5.0 swap. Sine I have the 94 v6
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Old 11-10-2012, 01:24 AM   #26
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Quote:
Originally Posted by stangcobra View Post
Its cheaper and more direct to do a 5.0 swap. Sine I have the 94 v6
why not do a split port swap and then go to an m112? my friends made over 400 to the wheels on his 4.2 and had around 460 ft lbs of tq. More power then you'd ever really need unless this is a track car. M112's are a dime a dozen used...heck he was selling his almost full m112 swap with adapter plate for $1100 not too long ago. V6 blocks are really under estimated by people which i can understand. it's a really underpowered car stock, but they tend to hold up well to boost.
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Old 11-10-2012, 08:49 AM   #27
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Originally Posted by 1slosix

why not do a split port swap and then go to an m112? my friends made over 400 to the wheels on his 4.2 and had around 460 ft lbs of tq. More power then you'd ever really need unless this is a track car. M112's are a dime a dozen used...heck he was selling his almost full m112 swap with adapter plate for $1100 not too long ago. V6 blocks are really under estimated by people which i can understand. it's a really underpowered car stock, but they tend to hold up well to boost.
I'm lookibg fpr the cheapest route. I can get a 5.0 with trans for 400, or a split port long block for 500-700.
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Old 11-10-2012, 08:57 AM   #28
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Quote:
Originally Posted by 1slosix

why not do a split port swap and then go to an m112? my friends made over 400 to the wheels on his 4.2 and had around 460 ft lbs of tq. More power then you'd ever really need unless this is a track car. M112's are a dime a dozen used...heck he was selling his almost full m112 swap with adapter plate for $1100 not too long ago. V6 blocks are really under estimated by people which i can understand. it's a really underpowered car stock, but they tend to hold up well to boost.
If his goal is simply to get a ton of power the easiest and cheapest way, then a V8 is the better choice!.. Yes you can build a V6 and have 450+ hp, I do have a buddy with a Turbo V6 with 500hp at the wheels!.. But going the V6 route is a lot harder way to go!.. And takes a lot more!..
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Old 11-12-2012, 12:36 PM   #29
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Originally Posted by Eturner

If his goal is simply to get a ton of power the easiest and cheapest way, then a V8 is the better choice!.. Yes you can build a V6 and have 450+ hp, I do have a buddy with a Turbo V6 with 500hp at the wheels!.. But going the V6 route is a lot harder way to go!.. And takes a lot more!..
+1
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Old 11-12-2012, 12:41 PM   #30
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There is a twin turbo kit made for the multi port 3.8, with that kit, a .30 bore, 4.2L crank, forged bottom end, valve train work, custom cam, and a good tune I could make about 480-520hp. This will also run me 10-15g. The tt kit alone costs $5,400. And the kits max is 450-500hp.

Building the 5.0 with simple bolt ons and swapping in will cost me 1-3g. With bolt-ons ill only have 320-360hp
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Old 11-12-2012, 05:47 PM   #31
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1) don't go m112, all the m112 cars are slow.... None of them have ever ran decent times.

2) swapping a 302 will cost you more than 1k (unless you find a wrecked donor car for 500$) but then getting a 302 to 360rwhp is going to cost you more.

3) 500hp? That's not so hard if your keeping the car you have do this first.
* 8.8 rear end
* 255 walboro pump
*find a supercoupe bottom end and get the shelf forged rods/pistons for it and have them put in
*get a turbo kit with something like a precision 6265 and turn the boost up until you make the number you want.
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Old 11-13-2012, 06:09 AM   #32
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Originally Posted by ChrisTorres08
1) don't go m112, all the m112 cars are slow.... None of them have ever ran decent times.

2) swapping a 302 will cost you more than 1k (unless you find a wrecked donor car for 500$) but then getting a 302 to 360rwhp is going to cost you more.

3) 500hp? That's not so hard if your keeping the car you have do this first.
* 8.8 rear end
* 255 walboro pump
*find a supercoupe bottom end and get the shelf forged rods/pistons for it and have them put in
*get a turbo kit with something like a precision 6265 and turn the boost up until you make the number you want.
I have got the 94 v6 that came with the 5.0 in the gt and cobra. I only need the engine, trans, ecu, engine harness, fuel pump, and drive shaft right?
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Old 11-13-2012, 03:42 PM   #33
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So what will be my best bet? What is a cheaper route, swap the 5.0 in, swap in a soupercoupe with the m90 and take it to its max, or build up the current engine in the car (1994 single port 3.8)?
I'm looking for the cheapest route. Not the coolest. Also my more reasonable hp gains that I'm looking for right now is 350-400hp.
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Old 11-13-2012, 03:51 PM   #34
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I'm asking again cuz there's basically a draw between those saying go v8 and those saying go v6. Can anyone show me respective $$ #'s? For both routes? I'm at base one again and am flustered. I'm wanting to compare money, along with compare the hassle of each direction I go. (I am aware every swap is a hassle)
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Old 11-13-2012, 04:45 PM   #35
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Quote:
Originally Posted by stangcobra
So what will be my best bet? What is a cheaper route, swap the 5.0 in, swap in a soupercoupe with the m90 and take it to its max, or build up the current engine in the car (1994 single port 3.8)?
I'm looking for the cheapest route. Not the coolest. Also my more reasonable hp gains that I'm looking for right now is 350-400hp.


---------- Post added at 05:45 PM ---------- Previous post was at 05:44 PM ----------

Quote:
Originally Posted by stangcobra
I'm asking again cuz there's basically a draw between those saying go v8 and those saying go v6. Can anyone show me respective $$ #'s? For both routes? I'm at base one again and am flustered. I'm wanting to compare money, along with compare the hassle of each direction I go. (I am aware every swap is a hassle)
V8 because your already half way there!.. You reach those numbers without a power adder!..
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