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Print in friendly format Send this term to a friend  TH400
Automatic Transmission - 3 Speed

1st Gear: 2.48
2nd Gear: 1.48
3rd Gear: 1.00

- Used in production GM models from 1964 thru 1990.
- 13 Bolt ...
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   All Posts (Artsvettes)




Re: PeteK - TH2004R Question.
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2009/2/16 20:40
Posts: 12
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I always put as much as I can in the convertor usually a little over a quart. Then put as much as you can in the trans keeping track of what you put in then start it up. In your case with an initial start up with your engine you have a few things going on at once. It would be good if you have someone else help and let them monitor the trans fill while you do what you have to do.

Posted on: 2010/5/23 2:49
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Re: PeteK - TH2004R Question.
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11 quarts dry.

Posted on: 2010/5/22 3:39
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Re: Finished a 1978 Anniversary Corvette Engine Project !!!
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2009/2/16 20:40
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This must be the same engine


Here is my 78 CLR 010 355 with vortec heads and modified the block for the roller ZZ4 cam. I built this past summer

This engine was built right on this stand. It is going in my 77 with the 2004r trans with 3.55 gears

[IMG]http://i147.photobucket.com/albums/r311/artsvettes/ZZ4RetroRoller001.jpg[/IMG]

This engine dolly will grow into a run stand and breaks down into three sections for storage.

[IMG]http://i147.photobucket.com/albums/r311/artsvettes/ZZ4retroroller001-1.jpg[/IMG]


[IMG]http://i147.photobucket.com/albums/r311/artsvettes/enginerunstand002.jpg[/IMG]

[IMG]http://i147.photobucket.com/albums/r311/artsvettes/ZZ4engine002.jpg[/IMG]

Edit by Matatk - removed link

Posted on: 2009/11/24 2:40
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Re: Thoughts on my 405.
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Posted on: 2009/3/31 1:34
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Re: Wheel Play
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2009/2/16 20:40
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As usual the BS flows out of DB"s mouth. It is an incorrect way to check End Play in the bearings.
1 You need to jack up the vehicle
2 Remove the wheel and out board half shaft
3 Mount a dial indicator to torgue control arm and rest the pointer on the flange or spindle
4 Grasp the rotor and move it in and out axially in and out and observe the readings...........001-.008 limit

The 6 and 12 rock will indicate excessively worn torgue arm bushing or stut arm bushings

Posted on: 2009/3/26 16:55
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Re: Thoughts on my 405.
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Do what you want. You asked for thoughts on your build.

Posted on: 2009/3/6 2:19
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Re: Thoughts on my 405.
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It's not that I don't think the 3.08 will work well with the 200. I know from first hand experience. I didn't read it anywhere. Carfull what you read it may get you in trouble

Posted on: 2009/3/6 1:04
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Re: Thoughts on my 405.
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Quote:

BeachBum wrote:
Quote:

Durango_Boy wrote:

Well I approached it like this. I prefer low RPM torque but I also don't want to limit myself to it. I want to have that HP if I need it. My thoughts on that cam were that the 405 is going to be a torque monster anyway...because that's what they do, and that cam would not only play to that trend but it would give me some room to explore if I change in my driving habits.

Thanks so much for the insight.


I then think your set-up is a contradiction so to speak..... Vortec cylinder heads are nice low cost entry level street cruiser cylinder heads, but on a 406, they will really bottle-neck your motor. I think if you stay with the Vortecs, you would be happier with a torque building smaller cam. You might find the following results interesting.

(This is from a test done by Chevy High Performance - January 04 issue)

406 cubic inch motor, hyd flat tappet Lunati cam 230/230 - 480/480, 9.5-1 cr, Vortec Performer Air Gap manifold, Holley 750cfm. Here are the HP dyno results utilizing two different cylinder heads.

rpm.... Vortec 174 cc...un-named 180cc aftermarket
2500......227............216
3000......282............276
3500......350............338
4000......392............401
4500......420............450
5000......428............478
5500......421............489

As you can see, with no other changes to the above set-up, it gave away a little torque down low, but picked up extremely hard up top. The motor on the right peaked at 490 HP @ 5600 rpm, the Vortec motor on the left peaked at 5000 rpm and literally over 60 HP less. As you can see Vortecs are a great cylinder head for low rpm builds.

I think what I am saying, is that in my opinion, you want to definitely make a decision on what your motor is.... torque motor ? or HP motor ?..... and then build it appropriately.... Right now, you're kind of in the middle, you have cylinder heads that are really great for building low rpm torque, yet, you have a cam that wants to run you up to 6000 rpm where the Vortecs will really struggle.

Just my friendly opinion and advise.... in any regards, good luck with whatever your decision is !


I agree with Beachbum
Also the 2004r trans will in no way like a 3.08 ratio. You will need 3.55 or higher. Try again

Posted on: 2009/3/5 21:24
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Re: I need photos of your C3 for the guru webpages!
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2009/2/16 20:40
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Here is my two

[IMG]http://i147.photobucket.com/albums/r311/artsvettes/09calender003.jpg[/IMG]

[IMG]http://i147.photobucket.com/albums/r311/artsvettes/77-10-2008001.jpg[/IMG]

Posted on: 2009/2/20 0:42
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Re: Late C3 owners, need a pic and measurement
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2009/2/16 20:40
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76 had an early and late design. If the attaching points for the lower part of the shroud has a bracket with a stud for each side it is the 1 design. If the lower part of the shroud attaches with two clips it is the 2nd design 76L-81. With what you are trying to acomplish it will work as pointed out the diffrence is in the lower shroud attaching points.

Posted on: 2009/2/19 21:35
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