Has anybody used hptuners to run a manual transmission with a 3400? Can someone explain how this is done, or send me a file to look at? It will be a while before I have the engine in my cav, but I would like to know what needs to be done in advance so once I'm done the swap, I can get the tranny working asap.
Forgot to mention, the 3400 is from a 2000 grand am going into a 99 z24, and I'm going to be using a 95-99 isuzu.
Thanks, sounds like its not as complicated as I was expecting. I haven't seen anyway to just delete things. Do you mean change the values to numbers the car will never see? So like make it shift from 1st to 2nd at 250mph, etc?
I only plan on using the isuzu if I can find a cheap one and rebuild it (haven't had much luck, but haven't been looking very hard either) , if can't find a cheap one I will go with a getrag.
I was thinking more about making the pcm not look for the trans by changing the shift tables. Your way seems pretty easy however, so no reason for me to reinvent the wheel. Thanks for the help.
To be fair I do go back later on after the car is running and - while tuning - start to work on some of the auto trans tables. Some of them get zero'd out.
(Anything that will affect spark)
But the first step is telling the PCM to not freak out that it doesn't have an auto strapped up.
Don't forget you'll need to disable VATS just to get the car started.
-Chris-
-Sweetness-
-Turbocharged-
Slowly but surely may some day win this race...
SweetnessGT wrote:Isuzu won't take that kinda torque. Getrags seem to love the 3400... -
You know what the best part about JBO is?
People like this that throw around incorrect information. There's no reason to swap to a Getrag simply because you're going to have a 3400 in the car. Maybe there is if you intend on having a 3400 and doing rediculous amounts of burnouts and other retarded @!#$. I've been running my 3400 on the Isuzu 5spd for 3 years now. I run 5w30 motor oil in it rather than this glorious syncromesh crap. The 5w30 isnt even synthetic.
Maybe take advice from someone who knows the truth. The Isuzu trans will be fine unless you drive it with wanton disregard for it's health. Of course, if you do that, you can trash it with a 2.2L, been there done that.
i find it amusing that SHOoff has nothing better to do but follow me around & be an unhelpful dick in even cross-forum. - Jon Mick
SweetnessGT wrote:I've personally blown up 4 isuzus on a stock engine, and 2 boosted. Never at launch, and never during a burnout. In fact I've never done a burnout in my life.
One started clacking after being parked overnight on my 2.2.... literally.
One blew up on the highway shifting from 4th to 5th @ 3000 rpm.
I speak from extreme personal experience, which is far from false information. I've also seen 3 different 3400 setups beat the living hell out of a getrag, one of them modified. Nothing... not a single issue.
False information is calling synchromesh "crap" with zero information to back up nothing short of an opinion.
But hey, thanks for helping him out with his original question. 
-Chris-
Just admit it, you were wrong. There's no reason for him to add additional work to the car by throwing in a Getrag. If he wants to run a 3400 on an Isuzu that's fine. Sounds to me like you have trouble driving if you've gone so far as to blow up that many Isuzu's. The only way I managed to tear up an Isuzu was with a 2.2, was doing TONS of burnouts. Just because the car has a 3400 does not warrant it requiring a Getrag.
If syncromesh wasn't "crap" then why is it so overpriced for what it is. Might as well by synthetic 5w30 and get a better result.
But you're welcome for helping with his original question. At least I wasn't telling him to throw extra amounts of money that wasn't needed in the swap.
i find it amusing that SHOoff has nothing better to do but follow me around & be an unhelpful dick in even cross-forum. - Jon Mick
I understand why a few members (SweetnessGT was not the only one), have recommended I switch to a getrag. It makes sense. With the money I have to spend on a new clutch and rebuilding the trans, why not spend a little more to make sure I get a transmission I will be happy with. Is it 100% necessary, I highly doubt it but obviously there are some benefits. I used to drive a 95 2.2, and I beat the hell out of it and had no problems (sure it was alot less power, but I don't plan on beating on this car anywhere near as much). It could save me money down the road if I do end up needing a stronger transmission.
Right now I'm pretty 50/50 on which transmission I will use, it really just depends on which I can get a better deal on.
Anyway this thread is off-topic now, I appreciate that you are both trying to help me but theres no need to argue about it.
isuzu isn't the best but for a budget 3400 build or even someon ethat doens't wanna do fabing why not i guess i went with the getrag but i also have 70 ft lbs than a 3400 has stock vs stock i think i'm over 300 at the crank now but i have no dyno to prove it its somewhere around there and the getrags holding up i would never risk it with an isuzu tho
JBO since July 30, 2001
ok, anyone that puts engine oil in a transmission shouldnt be trying to call out anyone for incorrect information
1989 Turbo Trans Am #82, 2007 Cobalt SS G85
Rodimus Prime wrote:ok, anyone that puts engine oil in a transmission shouldnt be trying to call out anyone for incorrect information
Years ago cars did use motor oil or equivalent gear oil in manual transmissions. So why does it seem wrong?
Rodimus Prime wrote:ok, anyone that puts engine oil in a transmission shouldnt be trying to call out anyone for incorrect information
Retard.
91 Cavalier
2.2
5spd (that would be the MK7 just like in the 3rd gen car)
If you don't believe me, look it up. It specifies to use 5W30 motor oil.
Perhaps you should take your 300 horsepower and go brag to someone else about how your car sucks donkey nuts.
i find it amusing that SHOoff has nothing better to do but follow me around & be an unhelpful dick in even cross-forum. - Jon Mick
So every GM dealership with a Getrag F23 or F35 is dead set on ripping you off for the extra whopping 15 dollars it costs to use the correct oil? Right.
1989 Turbo Trans Am #82, 2007 Cobalt SS G85
Rodimus Prime wrote:So every GM dealership with a Getrag F23 or F35 is dead set on ripping you off for the extra whopping 15 dollars it costs to use the correct oil? Right.
You're even more of an idiot. Please continue posting. Since when did I have a Getrag? Since when does MK7 = F23? Since when does MK7 = F35?
i find it amusing that SHOoff has nothing better to do but follow me around & be an unhelpful dick in even cross-forum. - Jon Mick
I know of a 3400 swap in a Sunfire with the Izuzu and it's fine. I wouldn't bother with the getrag either. What KILLS a trans is one wheel peels. If you do a one wheeler, your one tire is spining twice the indicated speedo speed, all that stress is on the diff pin that has no bearing, no rollers, it's metal on metal with a thin film of oil. Very bad.
If you drive them like you stole them you'll break things. Newt on here blew up a Getrag, as well as a JCO guy called Micah i think his name is blew his Getrag, they aren't all that people make them out to be. (both these cars only make like 150HP to the tire) They are just another econo-car transmission that WILL break after harsh use, they all break.
11.92 @ 122.69 MPH Rotrex Blower / Intercooled / Water-Meth / 100% Daily Driver / 381 WHP
Thanks for the input. I was thinking that an getting an isuzu and investing in an lsd insert would be easier than doing a getrag swap. I've looked at how its done but I can't weld.
Funny how this thread is in the tuning forum, and 80% of the thread is about what transmission I should use, 10% is the answer to my original question, and the other 10% is about using motor oil in a transmission lol.
Well, Mr. Sweetness answered your original question right away, so this thread didn't really fail. Great Success !
Question for Sweetness out of curiousity though: (sorry I jack yer thread)
After raising the idle and dissabling all the CEL flags and stuff is the driveability still good (perfect) with a manual 3400 ? Always wondered, I know that alot of manual "tunes" have the IAC do more stuff to keep the RPM up during shifts, and stuff. Does a 5 spd. 3400 still drive real well on a stock auto tune with a couple easy things changed??
11.92 @ 122.69 MPH Rotrex Blower / Intercooled / Water-Meth / 100% Daily Driver / 381 WHP
