Okay. I have been searching for the better part of an hour and i seem to have lost the thread. Did anyone ever figure out whether or not the Malibu tranny has the correct spline count for our axles?
oh, and out of curiosity, whatr is the gear ratio on both the 4t45e and the Malibu?
I'll eventually take the time to put something here. I swear.
look in the sticky, Im pretty sure its in there.
the malibu was a 4t40e not sure of the gearing. the grand am had 2 different 4t45e's one was the Gt trans and I think it was like 3:29 or something like that and the SE's had a 3:08 . Im not sure of the exact ratio's but they are close.
it appeared that the questioning about using the malibu stuff stopped when I caught a potential oops on my part. Seems that the original reason for the use of the malibu stuff was for the fuel gauge useage. well I made the woops when I said that it was a malibu flash that allowed the cluster to work fully.
Since I made this screw up, Im going toi do a little research and see what I come up fro the correct trans for the 3400 in the IMPALA. Ill get back to you.
01 cav w/01 3400 gam gt 4t45e
Ok I looked up a few things for you.
the grand am transmissions ara a 3.05 ratio that comes in the SE and a 3.29 that comes in the gt they are both 4t45e transmissions. The alero is the 3.05. They both accept the cavalier axles that came out odf the cavaliers 4t45e. As of not there is no GM flash that will make the cluster 100% operable.
the theory was to run a 05 impala flash with the 05 impala transmission which is a 4t65e(M15). And the axles wont just pop in as far as I know. That is the same trans that is used in all of the montana and venture vans, the montecarlo's, olds intrigue and grandprix. The reason that I thought that this would work is because when I was trying to get my fuel gauge working I went around the lot at the dealership copying vin #'s down to use to flash the car's ECM. ( gauge worked , trans slipped) The original threads that you may find will refer to a malibu flash that works the gauge, which was incorrect. I made the mistake, i caught it when guys were asking about a 3100, Now knowing that I wouldnt have used a 3100 flash, I must have used the Impala for the flash. The cav cluster wont recognize a fuel level from a pontiac grand am flash, but seems to work with a chevy flash, I dont know why.
Now that I cleared that up. we were wondering about using the 4t65e in the cavalier, well the axles are different on the inners as far as I know and would need more research to find out if the trans will work in the j. I would say to try to pop in an older 3 spd auto axle from maybe a 95 cav. I know the older ones have a male end that goes in the trans, the axles from the 4t40e (MN4) have female ends. Im not even sure of the spline counts either. It may be possible to use half of the axles but Im figuring that the axle diameter and spline counts are going to be off. So you can see there are several questions still to be answered and ususlly the only way to know for sure is to try it in a swap.
As for the 3.1 malibu transmission, its the same as the cavalier, same ratio, not sure of what that is but they are both 4t40e MN4 transmissions 01-02 is what I checked for. So that is definetly a possibility also. I would say that has good potential for a full cluster working v6 swap.
01 cav w/01 3400 gam gt 4t45e
Sounds like an interesting plan. what was Lenko's donor car?
I'll eventually take the time to put something here. I swear.
^^ Correct, he also had the axles shortened.
He would almost have to with that swap. The L67 comes with the 4T65E-HD though. I'm not sure on the exact differences, but it IS possible that the axles on the Heavy Duty transmission are slightly different. But with the mods required it probably wouldn't matter if it's HD or not. There's a few others that have done L67 swaps that use the same tranny too, Devon Madison would be one of them. Might not be a bad idea to ask those guys what they did to set the axles up in their cars.
I got the exact car we are talking about in at work today, 03 impala with the 3400 and the 4t65e. I was looking around under it and it looks like the same size tranny as the 4t45e and 4t40e. the axle diameter is way bigger for sure. It was just in for rear brakes so I dont really know the inside cv spline count, im sure its more than the J's. Yeah looks like custom axles would have to be made up.
The only other thing I could think of is to change over the spindles/ bearings assembly over to the j, then you are going to have to make sure that the ball joint and tie rod end tapers are the same. But then you end up with the larger GM bolt pattern and the J wheels wont bolt on.
If anyone needs a good vin for a GM flash this one didnt have cruise but it did have Air. 2G1 WF5 2E6 393 686 67
01 cav w/01 3400 gam gt 4t45e
Mostly right on my car, but the finer details aren't quite... I'll correct
I used the 4T65E-HD transmission that came with the L67 motor... it's out of a 2000 Buick Park Avenue Ultra. I used the inner and outer CV's, but had custom length shafts made, as the Park Ave ones were both too long... actually, I ended up with equal length shafts quite by accident
but as I can attest to as of today - it roasts the tires quite nicely!!!
I used N-body knuckles and aluminum control arms.. from a 99 Grand Am. Then the Park Ave (C-body) hubs mounted to that. I had to drill out the caliper mounting holes, to accommodate the larger bolts (15mm vs 13mm) for the calipers. The calipers didn't line up on the discs, so I had to throw some washers in there. It's still not perfect, but it's close.
The J-body uses 31-spline axles? I think... can't recall now. The C-body uses 34-spline, which is an oddball size. The only place I could find that would cut me custom axles in 34-spline was Dutchman Motorsports. Cost me $500 for the two axle shafts
But! They're actually thicker metal than the stock Park Ave axles were... so the chances of me snapping one is very unlikely.
The only thing I can contribute to this thread... I know the spline count is different between a 4T65E-HD and a 4T65E... because I couldn't find another set of -HD axles for the life of me...
frick. I may just have a tranny custom built with the Impala gearing and j body spindles/ bearings. while im at it, I may as well get a tiptronic tranny. Any thoughts?
I'll eventually take the time to put something here. I swear.
Quiklilcav wrote:did you use the single piston calipers on your swap?
Having to use the washers and drilling out the holes, it sounds like it to me.
For now, yup. It's what I grabbed from the Park Ave. Single piston, 12" rotors. More than enough stopping power for now, until I throw a cam, Gen V blower, nitrous, etc on there..
...j
Jo-mx: well couldnt you swap out the hub assembly to get the J bolt pattern? I know it would be a lot of work, but it would so be worth it.
I'll eventually take the time to put something here. I swear.
I would just like to add to this thread that John Lenko is my hero.
i see. y7ou think that gm would just be nnice and come up with a flash that works, but no!
and i agree. Lenko Rules.
I'll eventually take the time to put something here. I swear.
I wouldn't think that at all. They'd only come up with a flash for a stock program. And anything else they make may likely be subject to a lot of governmental regulations such as with emissions and any kind of things that would make Insurance companies happy. So I can't see them wasting time and resources for it.
Quiklilcav wrote:Loy wrote:Jo-mx: well couldnt you swap out the hub assembly to get the J bolt pattern? I know it would be a lot of work, but it would so be worth it.
They are completely different, and the machining and fabricating required make it cost prohibitive, unless you have your own CNC mill. The J-body spindles are tapped and the bolts go through from the hub to the spindle (why we have the large holes in between the studs on ours). The rest of the GM spindles have the bolts coming through from the rear of the spindle, and the hub is tapped. Also, the opening that aligns the hub on the spindle is much larger on all the others than the J, so you have to essentially have a centric ring adapter.
Beat me to it. I thought of that, as well as the spindle swap, Its like a trickle down effect after the tranny choice, first the axles, then the wheel bearings, then the spindles then the wheel bolt pattern and so on........ Any way you look at it your going to have to custom make something to stop the trickle effect. Probably the best solution is going to be a pair of axles with the center shaft adapted to the J and N body. If I pull mine in the future because of beating on it, Im going to get a pair of axles made and try the impala flash.
Gm are morons, I tried to get help from them. you know the best part is they really dont know squat about what electronics they are selling in their cars, they are farming that stuff out to companies like VDO, I did a little looking around and If im not mistaken they dont make the wiring harnesses or the computers either. I attempted to contact the suppliers but got no where with them, They did acknowledge that they make the components for GM but they werent allowed to supply any information to me , like about the flash info or why my fuel gauge wouldn't work with the grand am flash. All I got was,,, "maybe you should have just gone and bought a grand am instead of a cavalier" ........lil pricks..... Any way the info is out there but your not getting it. Unless you are working for Gm's supplier like VDO or Delphi you gotta make whats already available work.
01 cav w/01 3400 gam gt 4t45e
