As I've been one that's been in hot rodding iand racing for 30 years. I go by word-of-mouth not what's posted on the Internet
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
Ported Eaton M112 vs TVS 2.3 Test Dyno
- Thread starter ti-force
- Start date
Hopefully soon I'll have comparison between steggy V 16# and tvs 17#. Same dyno, fuel system, maf etc on pump 93.
Several years apart but best I can do.
Sent from my XT1045 using Tapatalk
Several years apart but best I can do.
Sent from my XT1045 using Tapatalk
That would be excellent! Please keep us updated.
You planning on running a 3" pully? That's what i'm shooting for next Spring. I have all the supporting mods. Just saving up for the blower. You should hit 600hp or close and lots of torque down low
I have a 2# lower now. Was going to try a 3.1 and see where it gets me.
Sent from my XT1045 using Tapatalk
Do you still have stock manifolds? If not, what are you running now and do you have any minimal changes with before and after dyno results? I'm assuming boost would drop slightly with all else remaining the same. Although I'm pretty sure I remember reading years ago that there's not much improvement from exhaust manifold swap, but maybe the improvements are gained over a broader range of rpm and not strictly peak gains, which is what a lot of people look at.
I have mid lengths on my car now, but they're leaking somewhere and I've got a set of factory manifolds that I'll probably stick back in there.
I run arh LT headers now. Only changing from manifolds to headers I dropped 1 psi of boost. So I went down to 17 psi which I felt for safe with on 92 octane.
However, now I run e85 99% of the time with a 2.6 upper pulley only making 21 psi. No dyno numbers.
I have a stage 3 ported Eaton, 2.93 Upper and 4LB Lower @16PSi, it makes 523whp and 518wtq, Big whoop lol. My VMP TVS is on its way. I'll be sure to post up dyno sheets from the Eaton and TVS, I have a funny feeling the TVS will make a little more power on 18psi
Excellent! I await your update. Thanks! You guys are contributing some excellent data here. Hopefully this thread will stay around and not get wiped out from a crash.
Good thing. I have been doing the same for the last 30 years as well. I don't usually buy into the internet pitfall either, but I have seen Bob numerous time come in and spout out misinformation that was flat out wrong! That's bad business any way you look at it. I don't consider it internet banter when it comes from the horses mouth.
I wouldn't let Bob work on my lawnmower after seeing what he has posted over the years.
Just my $.02
That's why the Admins have backups. This thread isn't going anywhere.
Good deal. Glad to hear
At the end of the day, you should always get better numbers from the tvs boost for boost as it flows more than the m112. It is cool to see the before and after though. The tvs pulled as hard in 4th as the Eaton did in 2nd if that makes sense. My car with the tvs was down right sketchy on the street in 3rd and 4th. First time I hit 3rd, and I mean power shifted, on the street she switched lanes on me. I may have left a stain on that one. That was on mickey pros too. My Eaton setup is very healthy and has run 130+, but there is a big difference between a 130 car and a 140 car. I could bring the Eaton car out hard at the track on drag radials, but I wasn't able to do the same with the tvs. Truly needed a stiff wall slick with the tvs. I just didn't get around to that as I drive it to and from the track, assuming all goes well and I don't catch a ride in a tow truck.
Nice! Yes makes sense, thanks for sharing. Now I'm ready to give it a try myself lol... I'm assuming there's a large increase in lower rpm torque that creates the traction problems you describe.
Eaton made 575 torque and the tvs was 640ish.
The tvs made 600+ ft/lbs from 2k to 6k. It was nuts. If I hit it in 3rd around 3500 it would get loose for a second then roll out. Tires didn't stand a chance on the street.
What other mods did you have? E85 or 93? And how much boost for each setup? Very impressive
I'm going to by a VMP TVS now. Prolly better than tweaking the old eaton.
Sent from my iPhone using Tapatalk
Sent from my iPhone using Tapatalk
Users who are viewing this thread
