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svt swap with 5 speed?

7.9K views 35 replies 17 participants last post by  01svt_sedan  
#1 ·
Has any one out there done a svt swap but used the mtx 5 speed with the svt ecu ??
 
#3 · (Edited)
Should work without much of a hitch. The only real issues I can forsee are the vehicle speed sensor and the clutch/flywheel. SVT flywheel and pressure plate with an MTX75 disc maybe? :dunno:

Don't the gauge cluster and the ECU talk to each other for anti-theft purposes also? Maybe I'm confusing that with one of my previous motorcycles.
 
#4 ·
Well I'm doin the svt swap into my 01 sedan and am wondering whether or not the 5 speed will be better gearing for acceleration such as 1/4 miles and autocross than the 6 speed would be....wat about the harnesses also???? I'm not so certain that the mtx75 harness is gonna directly plug into the svt harness. I will also be using the svt pcm and any thing else svt I can get for a fairly reasonable price. Btw I have an automatic zetec right now. The zetec had bout 189xxx before it blew...R.I.P zetec :bang:
 
#5 ·
The thing about our 6 speed is the first gear is REALLY tall! I did the autocross at the car craft summer nationals annnd I didn't even get within 1500 rpm's of redline. Rocks for auto-x not gonna be great on drag racing. Although you can change the driveline gear to a steeper one the engine already is at 3k rpms at around 70 mph. Which seems to kill better mpg but is also only about half way to redline. It's an interesting set up for a transmission. Can break almost every speed limit in second gear but still only get upper 20's mpg for most people.

Never dealt with the 5 speeds but I have a feeling it will be much more spread out and a much nicer first gear.
 
#6 ·
5th gear in the MTX-75 and 6th gear in the Getrag have VERY similar ratios.

The main difference is 1st and 2nd gear.

A 5 speed will work with an SVT motor and ECU, but you will need all correct sensors, shift linkage, clutch components, etc, etc. It's not a super straightforward swap and you will probably run into some sort of problem your first time around.
 
#7 ·
^^beat me to it. You will need to use the regular zetec clutch and flywheel or an aftermarket one for the regular zetec.



I've been wanting to do this swap for years. I would love to see how the SVTF is with the 5 speed. I imagine it would be like having a Type R tranny in a integra compared to the stock tranny (shorter gearing, more acceleration)
 
#8 ·
What about the bolts & pattern on the crank? Can you swap over to a MTX flywheel & clutch setup? Leaving the SVT flywheel & clutch setup behind could only be a good thing. :thumbup:
 
#9 ·
bolt patter on the SVT crank is same as zetec
 
#10 ·
always wanted to do this myself...

Could anyone post all the components that would be needed? Sensors, plugs etc
 
#11 ·
Pete (illinipo) has a tutorial on the swap. He lists all the parts and tells you how much of a pain it is. He did auto-tragic to MTX swap, but you will still have to change a fair amount of things even with the SVT.
 
#12 · (Edited)
hmmm....wat about wat kind of power the stock mtx clutch can take? And the transmission? I will be looking at going FI a bit after I get the swap complete. So how much power can it handle? So far it looks like I'm gonna do it. I think I will have the first svt swapped mtx 75 sedan. WOOOO! It also looks like I have an auto trans off a zetec for sale. And my svt engine also came with a clutch. It has 22xxx miles on it. And a bunch of other zetec parts.
 
#13 ·
The stock MTX-75 clutch is weeeak. It will hold the power of the stock SVT motor, but that's as far as I would take it.

The trans can take a heck of a beating...the weakest link is the diff. If you drop a Torsen in there, it can take more power than you want to make (over 600whp).
 
#19 ·
Any sort of power in the Zetec with the MTX-75 makes first gear almost useless anyway. You're in it, launch, wheels start to spin, you hit redline, still spinning, and before you know it, you're grabbing for traction in second gear, then slamming into third. From my MTX-75 experience, third is a money maker gear for the Zetec cars, especially the modified cars.
 
#22 ·
you'd need all the wiring from the front kick panels including dash up, the airbags including the wiring for the airbag control module and the module if you want those to work. you probably want to whole dash board including the harness if possible, as it's easier to swap the whole thing. The harness under the hood is totally different. You'd need an mtx clutch and flywheel kit for an mtx for a zetec and you'd need mtx axles. The knuckles are interchangeable but since you'll be going faster you should do the svt brakes as well, not slotted, cross drilled ebay performance special brake kit. Not sure about the spedo, but i still don't know why you'd not want the getrag? The close gears are money, autocrossers agree it's tough to get outta first but some 16" wheels with smaller tires will lower that first gear speed. it's not a hard swap it just takes a bit to get all the right pieces in place...
 
#23 ·
I auto-x regularly (solo) and I have been thinking about this swap for a while. Yes I know that I will shift more frequent but I also will be able to keep higher in the powerband. I loved my zx3 for auto-x. Now I have my SvtF and it feels awesome except the stupid first gear bog. Pulling out of a 180 leaves you yawning till you get going again. And as for traction, there's tires for that problem.. I'd rather be at least able to break forward traction if I wanted to. (Next problem would be sneaking it into G stock after the swap)
 
#32 ·
I auto-x regularly (solo) and I have been thinking about this swap for a while. Yes I know that I will shift more frequent but I also will be able to keep higher in the powerband. I loved my zx3 for auto-x. Now I have my SvtF and it feels awesome except the stupid first gear bog. Pulling out of a 180 leaves you yawning till you get going again. And as for traction, there's tires for that problem.. I'd rather be at least able to break forward traction if I wanted to. (Next problem would be sneaking it into G stock after the swap)
Wow....way to be dishonest. :rolleyes:
 
#24 ·
The MTX-75 is geared in such a way as to make the somewhat underwhelming Zetec output seem a bit more powerful than it is. First and second are short, to get you close to highway speed in a sprint, then third and fourth are there to putt putt around town in, and fifth, well, it's hard to call the MTX-75 fifth gear an overdrive gear (even though, technically, it is), since it still has you pushing 3K at 70 MPH. But the nice thing about that is it keeps your car reasonably torquey at highway speeds, so a bit of toe-in can still pull you past other cars and up mild to moderate grades without a downshift.

And the MTX-75 is nice for the "Boy Racer" in all of us that likes to spin the tires. My old Zetec, which had most of the NA mods short of cams and head, could spin all the way through first and second, then scratch them pretty hard in third. Not saying I condone that sort of behavior, but I know it could be done.
 
#26 ·
Then again, I hear that the MTX-75 can handle more power than the Getrag. Not sure if this is true, but it's been floating around in these forums for a while.

I just hate that sixth gear on the Getrag keeps the SVTs in the same RPM range as the MTX-75 does with the Zetecs. You'd think that fifth might have the same overall output ratio as the MTX-75, with sixth being a super high cruising gear. Drop the RPMs to 2000 at 70, that would be nice. Am I the only one who wishes for a 7th forward gear on the Getrag?
 
#27 ·
I do wish the 6th speed was quite a bit more over driven than it is. 5th gear can take an SVT to speeds that are probably unachievable on any sort of normal road course track. Thus I don't think 6th needs to be so short. I routinely shift 1-2-4-6 in every day driving because the gears are just so close together. 22 mph per 1000 RPMs is just too short. I'd like to see 6th gear be somewhere around 30 mph per 1000 RPMs.
 
#28 ·
Agreed. If I could be between 2000-2500 at 70, I would be happy, and prolly see a 1-2 MPG gain on the highway. That would be nice. As for skip shifting, I do the same thing. My car almost never sees third or fifth, sometimes doesn't see 2nd, on the way to 4th, if I want to wind it a bit.
 
#29 ·
Hmmm.....wat about changing the gearing in a 6 speed??? I'm not a transmission expert so give me a break but don't 2 of the gears have like a 2.xx gear ratio and the other 4 like a 4.xx ratio? I don't know how that works exactly but couldn't u change either of those to make the first gear shorter?? Along with 2 a bit too?