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TBSS vs 6.0 Chevy then a SS Cobalt

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Old 08-03-2012, 05:52 PM   #1
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Default TBSS vs 6.0 Chevy then a SS Cobalt

Ran a few wed night, first up was a single cab short bed 6.0 his mods were, heads, big cam, built 4L60E. My mods are heads, big cam, and burnt up stock transmission, have to let completely outa it for it to shift.

http://www.youtube.com/watch?nomobile=1&v=zyjURxi5yjs

Then me and a turbo cobalt from a 40 roll not sure of his mods his buddy said he's about 380whp. He really walks me when I try and get it into 3rd. I just gave up. Tried to get him to go from a 75 roll (I know ) but thats the point where it will stay in 3rd he still would have pulled but not as bad.

http://www.youtube.com/watch?nomobile=1&v=Borft5mJoRU

Sorry for the shitty videos I tried to get them on my gopro but everybody kept getting on my pass side. I ran a bolt on WS6 and beat him also but it's on my gopro I'll post it later.
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Old 08-03-2012, 07:21 PM   #2
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Nice!
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Old 08-03-2012, 09:22 PM   #3
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wow the little balt took off pretty good. is your tbss AWD?
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Old 08-03-2012, 09:53 PM   #4
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Good runs! Time for a new transmission, lol. What does your car make for power?
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Old 08-03-2012, 10:09 PM   #5
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Yea I don't want a transmission but NEED one! I'm 2wd, and put down 395rwhp with a unlocked converter and Trans slipping in 3rd. You could hear it slip and see it on the graph I'll try and get a pic of it. Thanks for the complements!
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03 RCSB 4wd single 76mm in the works. #LsxUnlimited
95 cummins #wanaberacetruck nozzzzz GTR killer.
2013 GMC Sierra 6.2, 2wd, LSX Unlimited tune, the daily driver.
TBSS the Fat Corvette... H/C/I gone will be missed
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Old 08-03-2012, 11:13 PM   #6
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Here is me and the bolt on Fbody, when he comes around me is where I try and get in 3rd. Car is a strong runner think his best 1/8th is a 7.7 or 7.8.

http://youtu.be/lYXz4eOgdDs
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I'm here for the tuna and to race. The tuna here is horrible.

03 RCSB 4wd single 76mm in the works. #LsxUnlimited
95 cummins #wanaberacetruck nozzzzz GTR killer.
2013 GMC Sierra 6.2, 2wd, LSX Unlimited tune, the daily driver.
TBSS the Fat Corvette... H/C/I gone will be missed
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Old 08-04-2012, 10:40 AM   #7
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Good runs!
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Old 08-04-2012, 01:01 PM   #8
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trans didn't sound like it was slipping other then at the shift. Two things you can try before rebuilding it:

1. install a deep trans pan first. hard launches on a 4l60 or 4l65 tend to force all the fluid up into the tail shaft on RWD setups which I assume yours is. Adding 2 quarts to the pan capacity fixes that issue, ask me how I know.

2. if it is the bands slipping, a solid bandaid to keep it shifting hard up until it's completely shot is using a quart or more of either Hurst ?quickshift? shift improver fluid or save the money and just buy Ford Type F trans fluid (which is all the Hurst stuff is). It has less shift modifiers which enables worn out clutchs to grap versus the GM fluid that is so friggin slick that clutch bands start slipping prematurely. Gotta trust me on this, I've done it quite a few times on turbo 350's, 700R4's, and two different 4L60E transmissions (one in a 4x4, one in a 1999 Z28). Worked in all of them, couple lasted a few years (both vehicles of mine I used it in, '78 Z28 and '89 Suburban tow rig) only one rig it didn't work on, trans was too far gone to be saved...

I learned to use B&M Trickshift from one a mag back in the early 90's and it's held true ever since. Later read that B&M Trickshift was merely rebadged Type F fluid which was why they didn't offer a Trickshift bottle for Fords.
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Old 08-04-2012, 01:04 PM   #9
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BTW this is my run versus a SWB single cab ls equipped truck (had headers and cam, don't know what else). Listen to my shifts, this was last straw before the trans pan desperation install. Now it hits just like new again, spinning the 2/3 shift again instead of the clutchs spinning against each other.

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http://www.youtube.com/watch?v=sc3f0JqpRAQ
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Old 08-04-2012, 01:24 PM   #10
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Get that trans fixed. W/ heads and cam the cobalt shouldnt walk you like that. i raced one that was tuned and aftermarket turbo piping and down pipe and I was stock and walked me like that.
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Old 08-04-2012, 01:49 PM   #11
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Originally Posted by SuperStud89 View Post
Get that trans fixed. W/ heads and cam the cobalt shouldnt walk you like that. i raced one that was tuned and aftermarket turbo piping and down pipe and I was stock and walked me like that.
with the Cobalt SS Turbos it really depends on the tune. some tunes only make 390-310whp and others can make 330-360whp. Also our torque numbers r usually higher or super close to our hp numbers.
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Old 08-04-2012, 02:09 PM   #12
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Quote:
Originally Posted by Balt2nv View Post
with the Cobalt SS Turbos it really depends on the tune. some tunes only make 290-310whp and others can make 330-360whp. Also our torque numbers r usually higher or super close to our hp numbers.
Fixed. It also seems like gas plays a big role from being 91,93, or e85 on a stock turbo bolt on lnf.
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Old 08-04-2012, 02:19 PM   #13
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Fixed. It also seems like gas plays a big role from being 91,93, or e85 on a stock turbo bolt on lnf.
Thanks and yea it def does. ON a 91 octane on my old 22PSI i made 295/321. Then went full bolt-ons and retuned on a safe 24PSI on 93 made 317/340. Now on a very aggressive 26PSI tapping off to 24PSI on 93 made plenty more power.
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Old 08-04-2012, 02:25 PM   #14
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I know the cobalt has a few bolt ons and a tune his buddy said he's at 380fwhp I bet even with a good Trans he might take me I'm prolly about 420 or so with a good Trans and better tune. Iv tried the type f fluid but havnt changed it completely yet, it's a bone stock 4L70e with 100k on it so I figured it was time to build it anyway I have a deep pan that's going on when I do.
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I'm here for the tuna and to race. The tuna here is horrible.

03 RCSB 4wd single 76mm in the works. #LsxUnlimited
95 cummins #wanaberacetruck nozzzzz GTR killer.
2013 GMC Sierra 6.2, 2wd, LSX Unlimited tune, the daily driver.
TBSS the Fat Corvette... H/C/I gone will be missed
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Old 08-04-2012, 02:31 PM   #15
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I don't see that Cobalt sitting anywhere close to 380hp.
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Old 08-04-2012, 04:27 PM   #16
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I don't see that Cobalt sitting anywhere close to 380hp.
Yea I was thinking more like 340whp iv ran a few 400hp turbo 4 bangers and pulled harder than the balt did.
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I'm here for the tuna and to race. The tuna here is horrible.

03 RCSB 4wd single 76mm in the works. #LsxUnlimited
95 cummins #wanaberacetruck nozzzzz GTR killer.
2013 GMC Sierra 6.2, 2wd, LSX Unlimited tune, the daily driver.
TBSS the Fat Corvette... H/C/I gone will be missed
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Old 08-04-2012, 04:40 PM   #17
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Originally Posted by NastyTBSS View Post
Yea I was thinking more like 340whp iv ran a few 400hp turbo 4 bangers and pulled harder than the balt did.
If I knew his mods I could tell you alil better. He might have been 380tq but def not 380whp unless he is on a upgraded turbo
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94 G20
Full Bluebird SR20DET Swap/JWT ECU
03 Vette
MS3 Cam/cut-outs......sold

IDK what a TURBO is
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Old 08-04-2012, 06:34 PM   #18
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If he was 380, he would have pulled harder and spun some.
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Old 08-04-2012, 06:43 PM   #19
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Quote:
Originally Posted by Balt2nv View Post
If I knew his mods I could tell you alil better. He might have been 380tq but def not 380whp unless he is on a upgraded turbo
Quote:
Originally Posted by Karlen View Post
If he was 380, he would have pulled harder and spun some.
I'm not sure if he spun I did just for a sec. Car ran good for what it was tho.
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I'm here for the tuna and to race. The tuna here is horrible.

03 RCSB 4wd single 76mm in the works. #LsxUnlimited
95 cummins #wanaberacetruck nozzzzz GTR killer.
2013 GMC Sierra 6.2, 2wd, LSX Unlimited tune, the daily driver.
TBSS the Fat Corvette... H/C/I gone will be missed
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Old 08-04-2012, 06:43 PM
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