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Re: New Personal Best with 1837


GSTwithPSI
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Galant VR-4 org Post #: 1218669 posted 10/16/15 04:17 PM     Remind Me!  Send Private Message   Edit Post      
Quoting matt92vr4 :

Nice, congrats on the 12. What did you change in your tune?




Thanks!

For the tune: a little more boost, and a little less peak timing. The biggest help was a good launch, and being able to hit all 4 gears quickly.



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Edited by GSTwithPSI (10/16/15 04:18 PM)

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GSTwithPSI
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Galant VR-4 org Post #: 1220829 posted 11/22/15 09:11 PM     Remind Me!  Send Private Message   Edit Post      
Well, took 1837 at the track again tonight. I ran a new personal best, but the car had so much more in it. My first pass was 12.8. The whether was cold (42*), which translated into the track being cold and poorly prepped. The first pass I spun all the way through first, and the car bogged as I hit second. The rest of the pass was clean, which netted a 12.8 @ 109mph. The 60' wasn't great, but wasn't horrible either considering how bad the car spun out of the hole.

I only made 1 other pass. I dropped the launch RPM to 4000 to get the car to hook in the cold. Apparently, it worked. I left the line pretty hard and felt a bang. The car then started wheel hopping pretty bad, so I let out of it and babied it back to the pits. Apparently, it's FWD now. I got it home and jacked up the front end. I can spin either front tire, and the drive shaft spins freely with the rear wheels still on the ground. I'm guessing I trashed the 3 bolt rear end. What's hilarious is it made the hour drive back from the track like nothing happened. FWD GVR-4 FTW

All else equal, a better 60' at 109 mph is good for a quicker pass, but looks like I'm done for the season. Here's a video of the run and a few pics of the day. Got to hang out with a few friends, so there's a few shots of their cars below as well.

1837 going 12.8








My car, my buddy Josh's WRX STI, and buddy Dan's 1G Talon.



A clean Syclone that was running 10's. I got to run with him my first pass.




Josh's STI




Dan's Talon



Why so serious Camaro?




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Edited by GSTwithPSI (11/22/15 09:25 PM)

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donniekak
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Galant VR-4 org Post #: 1220833 posted 11/23/15 12:41 AM     Remind Me!  Send Private Message   Edit Post      
One of your axle ends is probably broke of in the rear end.

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turbowop
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Galant VR-4 org Post #: 1220834 posted 11/23/15 01:21 AM     Remind Me!  Send Private Message   Edit Post      
And if you drove it home like that, the viscous coupling in the trans is probably toast now.



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strokin4dr
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Galant VR-4 org Post #: 1220838 posted 11/23/15 07:03 AM     Remind Me!  Send Private Message   Edit Post      
^This. I was thinking the same thing when you mentioned the hour long drive.
Could be worse though!



Ryan C.
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GSTwithPSI
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Galant VR-4 org Post #: 1220839 posted 11/23/15 07:10 AM     Remind Me!  Send Private Message   Edit Post      
Yeah, I didn't care if the VC got trashed so long as it saved me a tow truck ride. That transmission has been shit for a while now, and it was coming out this winter anyways. I've got a spare sitting on the garage floor ready to go in, I just haven't found time to do it.

I kinda thought I may have broken an axle off in the diff, as I've never seen a sub 400hp car clean the teeth off the ring gear. But, I wasn't sure if that may have also damaged the diff somehow. Again, I wasn't too concerned with it, since winter build plans also included dropping the rear subframe to recondition it, and upgrade to a 4 bolt rear.

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prove_it
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Galant VR-4 org Post #: 1220865 posted 11/23/15 03:20 PM     Remind Me!  Send Private Message   Edit Post      
I also haven't seen many sub 400whp cars explode 3rd gear or the center diff, but hey I did. Things break when the torque is just right.

Blame it on the ethanol....



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Galant VR-4 org Post #: 1220872 posted 11/23/15 05:45 PM     Remind Me!  Send Private Message   Edit Post      
Nice run Brett!



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transparentdsm
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Galant VR-4 org Post #: 1220873 posted 11/23/15 06:02 PM     Remind Me!  Send Private Message   Edit Post      
Nicely done!! car is looking and running really nice.



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strokin4dr
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Galant VR-4 org Post #: 1220876 posted 11/23/15 06:54 PM     Remind Me!  Send Private Message   Edit Post      
You get to check out the mods to that syclone?? [email protected] in the 1/8th, and extremely clean

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sy1100
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Galant VR-4 org Post #: 1220881 posted 11/23/15 08:04 PM     Remind Me!  Send Private Message   Edit Post      
I miss my Syclone..



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GSTwithPSI
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Galant VR-4 org Post #: 1220883 posted 11/23/15 08:16 PM     Remind Me!  Send Private Message   Edit Post      
Thanks for all the comments, guys. I appreciate the positive feedback.

Ryan, I didn't get a look under the hood of the Syclone. I don't think the guy ever even got out of the truck. It was super clean, though. He obviously let out of it at the end of the 1/4 for some reason when he was running with me. I saw him run a 10-something later that day.



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desant78
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Galant VR-4 org Post #: 1220884 posted 11/23/15 09:41 PM     Remind Me!  Send Private Message   Edit Post      
Brett, congrats on the improvement!! I can't wait to next season when you can really see what the car had! It's funny how you complained about the welded center, because I think that's the only reason you had such a smooth ride home!

Anyway, sorry to hear about failure at the track, cant wait to see what it was.



i wanna go fast.

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desant78
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Galant VR-4 org Post #: 1220885 posted 11/23/15 09:43 PM     Remind Me!  Send Private Message   Edit Post      
Quoting turbowop:

And if you drove it home like that, the viscous coupling in the trans is probably toast now.




Does the VCU do anything or serve any purpose when the center diff is already welded? Just curious, because my understanding is that any effects of the VCU on the driveline are negated by the welded diff.



i wanna go fast.

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fuel
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Galant VR-4 org Post #: 1220886 posted 11/23/15 09:45 PM     Remind Me!  Send Private Message   Edit Post      
^^ correct if your center diff is welded then the VCU does nothing.



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turbowop
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Galant VR-4 org Post #: 1220892 posted 11/24/15 02:01 AM     Remind Me!  Send Private Message   Edit Post      
I don't think Brett had a welded center in that trans.



-Mark

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GSTwithPSI
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Galant VR-4 org Post #: 1220893 posted 11/24/15 06:23 AM     Remind Me!  Send Private Message   Edit Post      
Yeah, this trans has a welded diff in it.



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iceman69510
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Galant VR-4 org Post #: 1220897 posted 11/24/15 07:07 AM     Remind Me!  Send Private Message   Edit Post      
I see you are planning a 4 bolt, but I have spare standard 3-bolt axles if you need some in the interim.



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transparentdsm
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Galant VR-4 org Post #: 1220898 posted 11/24/15 07:33 AM     Remind Me!  Send Private Message   Edit Post      
good call, Brett i did just do a 4 bolt swap in my pumpkin. i have the rear and both axles out of the car. you can have them for shipping cost.



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turbowop
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Galant VR-4 org Post #: 1220908 posted 11/24/15 10:26 AM     Remind Me!  Send Private Message   Edit Post      
Quoting GSTwithPSI:

Yeah, this trans has a welded diff in it.




Oh, well shit. That's why you made it home then. I was actually surprised that a VCU could last a drive that long with a broken rear axle. That explains it.



-Mark

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Edited by turbowop (11/24/15 10:27 AM)

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prove_it
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Galant VR-4 org Post #: 1220910 posted 11/24/15 10:54 AM     Remind Me!  Send Private Message   Edit Post      
That's also what could have caused the rear to break on a sub 400hp car.



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desant78
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Galant VR-4 org Post #: 1220922 posted 11/24/15 07:24 PM     Remind Me!  Send Private Message   Edit Post      
Also Brett, if the car is going to sit for a while, make sure to clean out the fuel injectors before doing so. e85 is nasty when it just sits in your fuel injector for extended periods of time. Hope to see the car running soon!



i wanna go fast.

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GSTwithPSI
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Galant VR-4 org Post #: 1220923 posted 11/24/15 07:31 PM     Remind Me!  Send Private Message   Edit Post      
Quoting transparentdsm:

good call, Brett i did just do a 4 bolt swap in my pumpkin. i have the rear and both axles out of the car. you can have them for shipping cost.




Yeah, I saw that thread. I'm really torn on whether or not I want to keep the 4WS and swap the 4 bolt rear into the 3 bolt pumpkin. On one hand, I'd like to keep the 4WS since it's complete, doesn't leak (yet), and functions flawlessly. I also don't want to fuck with welding the trailing arms, so there's that as well.

On the other hand, last time I was hanging out with Sal, he was telling me about a track day he was doing with his Evo. It really made me want to bring the Galant out. I can only imagine the 4WS would make that a nightmare...But I've never really pushed the car under those conditions to see how it responds/handles with the 4WS. Maybe some of you guys have tracked with 4WS? Thoughts?

Regarding the breakage, I have no idea how it happened. Traction was complete shit, and I didn't see a single car hook all day. I've launched the car way harder on warmer days, so maybe it was just a failure waiting to happen. Work has been stupid busy, so I haven't even had a chance to look at it since Sunday night to even determine what broke. The new trans has a welded diff in it as well. I'm not gonna lie, the welded diff sucks complete ball sack for anything but straight track racing. But, since that's mostly what I use the car for, it makes it hard to get rid of.


Quoting desant78:

Also Brett, if the car is going to sit for a while, make sure to clean out the fuel injectors before doing so. e85 is nasty when it just sits in your fuel injector for extended periods of time. Hope to see the car running soon!




Yeah, the plan is to swap back to pump gas before the winter.



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Edited by GSTwithPSI (11/24/15 07:32 PM)

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GSTwithPSI
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Galant VR-4 org Post #: 1220980 posted 11/26/15 02:10 PM     Remind Me!  Send Private Message   Edit Post      
Well, found the problem.










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ghostinthevr4
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Galant VR-4 org Post #: 1220995 posted 11/26/15 08:47 PM     Remind Me!  Send Private Message   Edit Post   
Looks like you got off lucky.



I found the anti-lag.

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