DIY 03 G35 Coupe 5AT to 07 G35S 5AT differential swap
cruise control... it seems that earlier models are subject to it not working after installing shorter gears...
Also of interest will be your rmp at 80mph
check out this thread:https://g35driver.com/forums/drivetr...ms-80-mph.html
Also of interest will be your rmp at 80mph
check out this thread:https://g35driver.com/forums/drivetr...ms-80-mph.html
CC works up to ~60 mph but at ~70 mph or more I get the blinking light and no go.
Now I must wait again a couple of months for the drag season but I'll try some runs with my Gtech RR soon to have an idea of the performance
Last edited by SyCo; Mar 9, 2010 at 10:59 PM.
Yea my VDC is working fine now. But I lost CC.
Does not work at any speed. At least not when I last tried it. I'm gonna go try it again today. Hopefully it works. If not then no big deal. As long as the VDC is working..
Does not work at any speed. At least not when I last tried it. I'm gonna go try it again today. Hopefully it works. If not then no big deal. As long as the VDC is working..
I finally took some time to try a couple of runs with my Gtech RR (the new and more accurate model).
I did only five runs but it gives me a baseline before I go to the track.
2003 5AT with stock 18" wheels, plenum spacer, 3.7 FD (vlsd), K&N filter.
D with VDC On
14.45 @ 96.3 mph
2.39 60ft
MM with VDC Off
14.35 @ 95.6 mph
2.28 60ft
14.25 @ 96.1 mph
2.26 60ft
14.17 @ 99.5 mph
2.30 60ft
14.04 @ 99.5 mph
2.30 60ft
I know, my 60ft are pretty bad. In fact launching at 1500-2000 rpm I was feeling wheel spin. Of course, it's 50F around here so the road and tires are really cold.
According to my gtech graph, I cross the 1/4 mile in 4th at ~4700rpm so I'm almost at peak TQ. I'm not sure if it's a good thing vs power for an automatic but I think it's not that bad according to the numbers I've got.
Oh well it was mostly for fun I will have to hit the track to get "real" numbers. But from comparisons with my previous cars, that gtech is not too far away from the truth. I'm pretty sure that with good weather, good grip and a little more practice I will get interesting numbers
cheers
I did only five runs but it gives me a baseline before I go to the track.
2003 5AT with stock 18" wheels, plenum spacer, 3.7 FD (vlsd), K&N filter.
D with VDC On
14.45 @ 96.3 mph
2.39 60ft
MM with VDC Off
14.35 @ 95.6 mph
2.28 60ft
14.25 @ 96.1 mph
2.26 60ft
14.17 @ 99.5 mph
2.30 60ft
14.04 @ 99.5 mph
2.30 60ft
I know, my 60ft are pretty bad
. In fact launching at 1500-2000 rpm I was feeling wheel spin. Of course, it's 50F around here so the road and tires are really cold.According to my gtech graph, I cross the 1/4 mile in 4th at ~4700rpm so I'm almost at peak TQ. I'm not sure if it's a good thing vs power for an automatic but I think it's not that bad according to the numbers I've got.
Oh well it was mostly for fun I will have to hit the track to get "real" numbers. But from comparisons with my previous cars, that gtech is not too far away from the truth. I'm pretty sure that with good weather, good grip and a little more practice I will get interesting numbers
cheers
^^^ crossing in 4th is costing you... you should try to max out rpm in each shift in order to make it through in 3rd.
With 3.7 its tricky to make that happen - you have to shift at exact right rmp without hitting rev limiter... bumping rev limit to 7200 helps, but if you dont max out the revs and shift precise, you'll hit the limiter.
I ended up having mine bumper to 7500 (for added cushion) - but that was after upgraded springs, rod bolts and oil pump... it's not a good idea to go past 7200 with those upgrades.
With 3.7 its tricky to make that happen - you have to shift at exact right rmp without hitting rev limiter... bumping rev limit to 7200 helps, but if you dont max out the revs and shift precise, you'll hit the limiter.
I ended up having mine bumper to 7500 (for added cushion) - but that was after upgraded springs, rod bolts and oil pump... it's not a good idea to go past 7200 with those upgrades.
Okay, that's what I've read and thought...
I definately did try to shift as high as I could without hitting the rev limiter and doing so I did in fact hit it a couple of times in first gear.
BUT my primary goal was not to make awesome 1/4 passes. So as long as I get it in the "13" I will be more then happy
I'm pretty confident that moderate/good track conditions with good traction and 60ft and I will be able to post a 13.xx time slip
Maybe in a few months ?!
I definately did try to shift as high as I could without hitting the rev limiter and doing so I did in fact hit it a couple of times in first gear.
BUT my primary goal was not to make awesome 1/4 passes. So as long as I get it in the "13" I will be more then happy
I'm pretty confident that moderate/good track conditions with good traction and 60ft and I will be able to post a 13.xx time slip
Maybe in a few months ?!
*Edit - did a quick Google search:
http://www.g35club.org/coupe-specs.shtml
are you sure?... I thought the coupe didn't get 3.7 'till the G37... the 07+ sedan has 3.7 though...
*Edit - did a quick Google search:
http://www.g35club.org/coupe-specs.shtml
*Edit - did a quick Google search:
http://www.g35club.org/coupe-specs.shtml
What's your RPM at 80 mph ?
rpm @ 80 for me is 3250
@OCG35, Your absolutely right. Sorry again if I've put in some confusion.
For the RPM at 80mph I was a bit mixed up cause I wanted to ask JLAWG35 instead of you.
... But it's pretty sure now it would be around 2900
Thanks
For the RPM at 80mph I was a bit mixed up cause I wanted to ask JLAWG35 instead of you.
... But it's pretty sure now it would be around 2900Thanks
but his rmp wont be that low... it's probably about 3K right now at 80 mph... with 3.7 it will be close to the rest of us that went from 3.3 to 3.7 (3200-3250).
*edit... unless you meant his rmp with current 3.3 is 2900 (its probably close)... Initially I thought you meant it would be 2900 with 3.7 - after re-reading I dont think thats what you meant...