C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

WOW 3.73s are in!!!

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Old Dec 9, 2004 | 09:06 PM
  #21  
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Originally Posted by redbullapril23
what if I dont switch the to a high stall TC when I install dana 44 with 3.73s?
Then you won't have a high stall TC.

RACE ON!!!
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Old Dec 9, 2004 | 09:23 PM
  #22  
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Certainly not as much fun without a little higher stall, but you'll definately have some "seat of the pants" performance smiles.

Geeze there's like a whole forum that could be dedicated to choosing the right stall and axle ratio. So much to take into consideration.
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Old Dec 9, 2004 | 09:41 PM
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Originally Posted by ALLT4
Certainly not as much fun without a little higher stall, but you'll definately have some "seat of the pants" performance smiles.

Geeze there's like a whole forum that could be dedicated to choosing the right stall and axle ratio. So much to take into consideration.
You make a good point, with the 700R4 and 3.91 gears I cross the quarter mile at 6500 rpm and I may have to shift in overdrive in the future which will probably hurt my performance. (or I'll have to switch to solid roller lifters and have the torque converter locked up to avoid shifting in overdrive.)
Be careful about how you use your car before you choose your setup.
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Old Dec 9, 2004 | 09:47 PM
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Hmm, a little bit larger tire then should get you right where you need to be? Probably cheaper then a new gear set.
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Old Dec 10, 2004 | 11:23 AM
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Originally Posted by jp2002ls1
You make a good point, with the 700R4 and 3.91 gears I cross the quarter mile at 6500 rpm and I may have to shift in overdrive in the future which will probably hurt my performance. (or I'll have to switch to solid roller lifters and have the torque converter locked up to avoid shifting in overdrive.)
Be careful about how you use your car before you choose your setup.
I like the "coverter lock" plan. Depending on what you need, it may work out, just right.

RACE ON!!!
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Old Dec 10, 2004 | 01:19 PM
  #26  
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Originally Posted by bobmic93
Congrats to you, your going to love the gear stall combo. I have a 93 red coup with 3200 vigilanti stall, 3.73gears, hooker shorty headers, corsa exh and its a hole new animal. Stock I ran 13.7 at 103 with 1.95 60' time. Havent been to the track with new mods butt talken with members of the forum, majority of them think Ill run low 13 maybe high 12s. I hope there wrong. Im shooting for mid 12's
Are you kidding me, with your mods, good air, & traction your an easy low 12 second car. Remember Mojo ran 12.50 @ 108 with only gears and converter.
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Old Dec 10, 2004 | 01:55 PM
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With all of you switching gears do any of you switch to the dana 44 or did you stick with the dana 36
Frank
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Old Dec 10, 2004 | 02:00 PM
  #28  
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Originally Posted by redbullapril23
what if I dont switch the to a high stall TC when I install dana 44 with 3.73s?
It will still be quick.
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Old Dec 10, 2004 | 02:03 PM
  #29  
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Originally Posted by jp2002ls1
I swapped out my 3.07 gears for 3.91 and it made the car much more fun to drive, except on the expressway. Good luck and HAVE FUN AT THE TRACK!
Thanks. So far the expressway is not to bad 2400 RPM @ 70 with the converter unlocked. Bad lockup solenoid, that will be corrected on Tuesday.
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Old Dec 10, 2004 | 02:05 PM
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Originally Posted by arrow322
With all of you switching gears do any of you switch to the dana 44 or did you stick with the dana 36
Frank
If you are going to run sticky tires I highly recommend the 44. If it will only see street duty than the 36 is the way to go.
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Old Dec 10, 2004 | 02:08 PM
  #31  
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Originally Posted by ALLT4
Certainly not as much fun without a little higher stall, but you'll definately have some "seat of the pants" performance smiles.

Geeze there's like a whole forum that could be dedicated to choosing the right stall and axle ratio. So much to take into consideration.
I've researched this for 2 years. On Tuesday when the converter is installed I will know if my research has paid off.
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Old Dec 10, 2004 | 02:53 PM
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thanks Chris, I thought the same regarding street tires> I am planning on going with the 3.54 gears in a dana 36 but have no plans to race it just want the extra pedal for fun every now and than
Frank
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Old Dec 10, 2004 | 03:02 PM
  #33  
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Originally Posted by arrow322
thanks Chris, I thought the same regarding street tires> I am planning on going with the 3.54 gears in a dana 36 but have no plans to race it just want the extra pedal for fun every now and than
Frank
One other thing make sure you install Precision Gears not Richmond. The Richmond gears are very loud.
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Old Dec 10, 2004 | 03:50 PM
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yea I am gonna go with percision!

how hard is the gear change?
I mean Ill get the diff seperate and have to change from stock 3.07s to 3.73s
for back yard first timer how much time?
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Old Dec 10, 2004 | 03:51 PM
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Originally Posted by crheinish
I've researched this for 2 years. On Tuesday when the converter is installed I will know if my research has paid off.
You may want to pick up a TransGo shift kit and have it installed the same time as your converter. After I did the 2800 Vig, my stock shifts were extremely soft.
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Old Dec 10, 2004 | 04:40 PM
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Originally Posted by redbullapril23
yea I am gonna go with percision!

how hard is the gear change?
I mean Ill get the diff seperate and have to change from stock 3.07s to 3.73s
for back yard first timer how much time?
It is not hard just labor intensive. My car was down almost 2 days. If you do not have tools to set up the gears then I would pull the third member and let a drivetrain shop do the gear change. Also take your driveshaft & halfshafts and have them install new ujoints.
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Old Dec 10, 2004 | 04:45 PM
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Originally Posted by cprgmr
You may want to pick up a TransGo shift kit and have it installed the same time as your converter. After I did the 2800 Vig, my stock shifts were extremely soft.
Thanks for the tip, I was afraid of that. I'll install a shift kit and a tranny cooler when I get it back from the tranny shop. They are to busy for those mods.
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Old Dec 10, 2004 | 04:45 PM
  #38  
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got yas!

this will be hard seeing I dont have a lift and just ramps and jacks!
I may be able to borrow a lift. Im getting a new drive shaft and c beam with the new diff so I can take the diff and gears to a place to do the swap!

how much do you think just to swap the gears out and put new u joints in if everything is alreay out of the car?
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Old Dec 10, 2004 | 04:48 PM
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Originally Posted by redbullapril23
got yas!

this will be hard seeing I dont have a lift and just ramps and jacks!
I may be able to borrow a lift. Im getting a new drive shaft and c beam with the new diff so I can take the diff and gears to a place to do the swap!

how much do you think just to swap the gears out and put new u joints in if everything is alreay out of the car?
$600-$700 if they supply the gears and you need new bearings and ujoints.
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Old Dec 10, 2004 | 04:54 PM
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if i give them new gears and master install kit how much to install?
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