Has anyone used these on their car yet or know of someone who has? The only application I've seen or heard of these is on the magazine cars and would really like to see if those numbers hold up.
trick flow twisted wedge 2V heads
cbjohnson9
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Has anyone used these on their car yet or know of someone who has? The only application I've seen or heard of these is on the magazine cars and would really like to see if those numbers hold up.
I have them but I would not be able to give u specific head made hp. I put them on a pretty radicle N/A, N2O build. I am dynoing it on the 4th of Dec. I will post the numbers of all tunes then(street, race N/A, nitrous) I will say the heads flow like a mutha out the box and there is plenty of meat on them to do some major port work.
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^ good build....
OP, so far, on MM there have been a few run those heads and havent seen any results that have surpassed what a set of ported PI heads can do. A Turbo build that was disappointing. The extreme build of yellows that was given parts for free just to try to come up with the right setup. They tried different intakes, cams, etc to no better results. There seems that there is always and excuse as to why they didnt make xxx power. So far, I havent seen/heard of them doing anything over a set of ported PI heads. Just my opinion.
and were off....
OP, so far, on MM there have been a few run those heads and havent seen any results that have surpassed what a set of ported PI heads can do. A Turbo build that was disappointing. The extreme build of yellows that was given parts for free just to try to come up with the right setup. They tried different intakes, cams, etc to no better results. There seems that there is always and excuse as to why they didnt make xxx power. So far, I havent seen/heard of them doing anything over a set of ported PI heads. Just my opinion.
and were off....
As to my knowledge what Baker said is correct as far as not turning out the numbers that had been hoped for. From all the threads on those guys builds, I think I have the biggest set of cams in these heads that have been tried. Might be wrong on that though so don't quote me. But I dont think anyone has been down my specific build road yet with this combination of
Larger bore and stroke
Tfs heads
Tfs intake
Large cams
Higher compression
Water/Meth injection
Then the N2O on top. Should make some healthy numbers on the dyno.
Larger bore and stroke
Tfs heads
Tfs intake
Large cams
Higher compression
Water/Meth injection
Then the N2O on top. Should make some healthy numbers on the dyno.
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The problem with the heads is that they want more RPM than most guys can give them. The stock PCM won't support more than 7,000RPM which is where the TFS heads just start to kill the competition.
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Damn.. you used "kill the competition". lol. Got some links to these 7000+rpm cars? Or links to those other results? Remember, PLENTY of stage 3 ported PI heads have seen the 340-350rwhp area.
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The TFS build have made over 425rwhp when given the RPM. Not kidding. They do outperform the ported PI heads in a lot of cases, but it takes a lot or rpm and a lot of supporting mods to do so. For a guy that is just looking for a simple head swap and a mild set of cams, I agree that they aren't worth the money. For someone that is looking to seriously race their car and get every ounce out of it, I think it is a different story.
The heads I bought already had the springs in them ready for heavy duty cams. To my knowledge that's how they come for 2k.
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The 4.6 2v makes about ~350rwtq when it is on it's "a-game." HP is a function of torque.........specifically the equation (hp=tq*rpm/5252)
This is why hp and torque curves always cross at 5252. Anyways, to make a higher hp number all you have to to is increase the RPM at which the engine produces it's torque.....thus increasing the number of horsepower. This is why cams open up and shift to the right the rpm window at which the engine makes it's torque and therefore power. You just have to keep pushing it to the right until the desired hp number is achieved. The problem is that to push it far enough to the right to get 400+ rwhp from 350rwtq, you end up with an engine that needs to rev well past the capabilities of the stock bottom end, the stock PCM, stock intake manifold, stock transmission etc....
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There are numerous builds out there that have proven that the TFS heads make more power than ported PI heads. A good shop to call and get good information on these builds is DEZ Racing. What you guys are missing the most is the fact that you are getting a better casting among other benefits from the new heads.
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I don't think anyone is doubting they clearly make more power. Most of the complaints about the heads are price from what I have heard. I just can't get over the fact that people bitched for almost a decade for a better flowing 2v head and now that it is delivered they complain about the price.
I always get **** for defending them on here. LOL
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Im just going by what ive seen. Im sure some shops out there with no limit on how much to spend could make these things do something but in the real world with real people and their real builds that take real money.
And when i said complete i was referring to the followers and lash adj. or do they come with them now?
I knew people spun 4.6's at that RPM but i just wanted to see them done with the TF's.
And when i said complete i was referring to the followers and lash adj. or do they come with them now?
I knew people spun 4.6's at that RPM but i just wanted to see them done with the TF's.
As for the followers and lash adjusters coming with them I don't know. I used Comp adjustable cam gears in mine.
During my initial tuning process, I spun it to 7k with no problems. Tried going to 7.5k and the spark started blowing out. I need to upgrade the coils or do a full on MSD on it. I just left it at7200 rpm limiter and shift at 7k. I have my nitrous window set at 6800 right now, everything is subject to change one I get it on the dyno.
To be able to trap 116mph he has some kind of power adder on there. I got the 108mph using race gas. Even with a good dyno tune coming up I don't think I can squeeze another 8mph out of it on the motor.
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I'm not 100% sure what the guy has for weight reduction, but that is what he posted and apparently some of the other members know him personally. I know I trapped 109.8 with stock heads and blower cams and guys with poted PI heads with stage 2.5 cams have trapped up in the 112-113 range without being a full blown race car.
JayZ trapped 109 with CMS stage 2s and stock heads. 01GT4.6 trapped 110 with ported PI heads and MPH N/A cams
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