LT1-LT4 Modifications 1993-97 Gen II Small Block V8

CC306 1/8th times and dyno graph inside

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Old 12-02-2009, 01:28 PM
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Inquiring minds wanna know.
Old 12-02-2009, 02:05 PM
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Sorry guys, I have been pretty sick and out of work for the last 3 weeks. I will be taking it out this sunday... got a little race lined up with a TBSS that run's 7.9's @ 88mph so it should be close. I will post video if possible.
Old 12-06-2009, 10:37 PM
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Well I made two passes tonight... first pass was right off the street. 8.190 @ 89pm w/ a 2.0 60'

Second pass was a 7.923 @82mph w/ a 1.81 60'. I had to get out of it way before the traps due to the car not shifting out of second. I think it would have been a 7.6x pass if it would have shifted. I ended up seeing 7k rpm or so and hurt the car... which I will make another thread about here shortly...
Old 12-06-2009, 11:28 PM
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Originally Posted by JonCR96Z
Get a good drag wheel/skinny and some drag radials and you should easily go 7.5-7.6 with the power that you're making right now.
Well, like always, I'm right. And it's been over a year. I am the ******* man.

Good times considering.
Old 12-07-2009, 12:58 AM
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Good call! Now I just need to figure out what the hell is going on with my car. I have the itch again, I want that number bad.
Old 12-07-2009, 12:08 PM
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Originally Posted by zigroid
you guys saying he has crappy dyno numbers have to realize:
1) ITS AN AUTOMATIC WITH A BIG STALL
2) as for torque #s, the graph is starting way after torque peak.

330 through an auto would probably be around 350 through a 6 speed, which is about on par with what a cc306 should make.

just a reduction in 60 foot to a 1.6x would drop your ET close to a 7.70.

also what do you have your rev limiter set at?
beat me to it

it's an auto and sounds about right, my cc503/stock heads auto with midlegnths only made 325rwhp but had no problem running with cars making at or around 350rwhp in a t56
Old 01-31-2010, 10:42 PM
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Local tracks are opening back up at the end of Feb... should have some new times soon! I am also looking at shooting it. Once I get the fuel system the way I want it, I will put the 200 pills and let it eat.
Old 02-01-2010, 11:43 AM
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Did you not hurt the car? What was the deal?
Old 02-01-2010, 07:40 PM
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Originally Posted by myltwon
oh yes and you also need to go to the VSS rpm settings and set it to about 4000rpm

I'm not a big fan of on this particular subject, considering how much stress it caused me in the past I'd like to help anyone I can with this issue because I know how much of a PITA it is and pretty much zero tuners outside pcmforless and madz know how to fix it
What in the world have you been smoking?
Old 02-01-2010, 08:25 PM
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Matt,

I have a similar set up to you except I have heads, my car through an unlocked converter and 12 bolt with a mail order tune was only making 360/318 SAE corrected. So your numbers seem right.
Old 02-01-2010, 08:51 PM
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Matt, what type of hood is that on your Camaro?
Old 02-01-2010, 09:14 PM
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Looks like a harwood
Old 02-07-2010, 08:50 PM
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Originally Posted by blackz93
Did you not hurt the car? What was the deal?
I originally thought the car was hurt, after making my 7.9x @ 82mph pass in second gear. It ended up being a blown header gasket, thankfully it was something minor. The sound was unlike any exhaust leak I had ever heard. Actually, here is the video:

http://www.youtube.com/watch?v=uuLkhZVQacs

I actually spent some time on the car this weekend considering I want to race next weekend. I installed a spare 3.5in aluminum drive shaft and mocked up my Jegster DS loop. All I need to do is pull the seats out and drill the floor in order to finish up the install. I also attempted to unhook the sway bar end links, but had to remove it all together since the stock links broke. I will just replace them with some energy suspension pieces when I put the street trim back on.

I also ordered the summit brand 3way adjustable drag shocks today, they should be install on Thursday, work permitting. You really can't beat the $80 bucks shipped for a relabeled Competition Engineering piece. I also have a set of BMR SFC's that will be going on at the end of the week. The next thing I plan on doing is a set of relocation brackets with the stock arms... I figure they will help hit the tires harder and that I don't need aftermarket arms at this power level.

Basically, I have decided not to throw anymore power at it until I get it hooking up. I think I can knock a substantial number off of my ET with some basic suspension upgrades. After this I will need to bite the bullet and do a chassis mount TQ arm and some coil overs up front.
Old 02-07-2010, 10:42 PM
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Im curious at what Im making at the wheels??
I went 8.01 @ 89 with a 1.92 60ft on stock clutch..(232/239 .476/.490 112) Not a 306 BUT....lol..
I assumed I was around 330-340 in my 6spd car..?
Kris
Old 02-07-2010, 10:50 PM
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Originally Posted by Green3spd
Im curious at what Im making at the wheels??
I went 8.01 @ 89 with a 1.92 60ft on stock clutch..(232/239 .476/.490 112) Not a 306 BUT....lol..
I assumed I was around 330-340 in my 6spd car..?
Kris
That's moving pretty good. I would assume you are around 330ish, but hell, it doesnt matter as long as you run the number. You need to shoot it!

What suspension mods do you have?
Old 02-08-2010, 07:00 PM
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Originally Posted by Matts94Z28
That's moving pretty good. I would assume you are around 330ish, but hell, it doesnt matter as long as you run the number. You need to shoot it!

What suspension mods do you have?
All I have is boxed LCA...
Old 02-09-2010, 08:14 AM
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not much tq.

you can check conv. slippage on dyno..... I say 6800 is shifting it way to high also....

before your worry about hp look at the tq vs. rpm/gearing time spent in rpm band vs. tq etc.

thats where your missing it.

from that graph I dont see 7.70s thats a long long ways. 4 tenths in the 8th....long ways
Old 02-09-2010, 11:13 AM
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Car already went 7.9x @ 82 when I let out a few hundred feet before the traps due to being in second. I have also lowered the shift points to 6500.
Old 02-09-2010, 11:57 AM
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My car dynoed 330 unlocked with the cc503 cam and has gone 7.57 @ 87 in the 1/8th. If you could get the 60ft down it would run a lot better. On my 7.57 pass I went 1.54 to the 60ft.
Old 02-09-2010, 12:23 PM
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Originally Posted by buzz12586
My car dynoed 330 unlocked with the cc503 cam and has gone 7.57 @ 87 in the 1/8th. If you could get the 60ft down it would run a lot better. On my 7.57 pass I went 1.54 to the 60ft.
whats your gearing combo with that?

we had a 503 with a 2800 converter and a 26" tire 3.42 gear it didnt 60' well high 70 but it ran 8.00 91+ mph just for refrence


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