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Old 04-16-2004, 07:44 AM
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2004r sources?

I have a daily driven '64 Chevy Biscayne that currently has a bone stock 230/powerglide/3.08 rear. I have been thinking about a 2004r swap for better highway mileage and a more relaxed cruising at today's highway speeds. (My commute has 20+ miles of 75 mph interstate... 3000rpm!) I know that the g-bodys with od used the 200 (not the 700). Any others? s-10's, Astros, caprice? I know that one from a Chevy powered car will work. I have also heard that some (or all) of the Buick/olds/pontiac bolt pattern 200r4 trannys had dual bolt patterns and will also fit a chevy block. Any truth to this?

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Old 04-16-2004, 08:07 AM
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Caprice 85 and prior did not come with 2004Rs. 86 Caprices had them, 87,88,89 probably did too.
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Old 04-16-2004, 09:06 AM
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A friend of a friend has an '86 Pontiac Parisiene (sp) same as Caprice with a 4.3 v-6. I've driven it in the past (7-8 years ago) and dont remember if it had OD or not. So, it should be a 2004r assuming it's overdrive at all, right? I can get this car for little or nothing, and it has very low miles on a rebuilt tranny. It was parked 4 years ago due to a differential failure, and rust problems. (well' the ol' 4.3 was pretty tired too, seems to me the car has 250,000+ miles on it, but only 10,000 or so on the rebuilt tranny). Unfortunately, the car is stored 300 miles from my house, and I don't have anyone reliable to check if it's even an OD tranny. If I can confirm it, I can make the trip myself, and bring back the engine and the tranny... (i've been thiking about a TBI conversion on the inline 6 in my car)
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Old 04-16-2004, 09:40 AM
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Re: 2004r sources?

Quote:
Originally posted by MaydayMike
'64 Chevy Biscayne that currently has a bone stock 230/powerglide/3.08 rear. I have been thinking about a 2004r swap for better highway mileage

With either a 200-4R or a 700-R4 and a 3.08 rear end........you will be geared so high that the poor little six will have trouble pulling that BIG Biscayne.

The 200-4R has 33% overdrive.
The 700-R4 has 30% overdrive.

You must have a short 26 or so inch tall tire on the Biscayne.

200-4R......3.08 minus 33% = 2.063 (in overdrive)
700-R4......3.08 minus 30% = 2.156 (in overdrive)


I would buy two 15" rims and a 235X75 tire that was 29 to 30 inches tall and cut the RPM's that way.

3.08 X 75 mph X 336 divided by 30 tall tire is 25,872 RPMs.

DEUCE....General Rodding Tech Moderator........




PS. The tire change will affect the correctness of your speedometer
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Old 04-16-2004, 12:57 PM
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If you can find it, any(or atleast most) olds made 200-4Rs came with the dual bolt pattern.
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Old 04-16-2004, 01:31 PM
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If installing an o/d trans in your "X" framed Chevy, you are going to have to shorten the driveshaft, and possibly move the crossmember. Not a lot of room under there. I would go the taller tire routine. If you want more gears, use a 70s turbo 350. Thats what I put in my 62 Canadian Pontiac..It has the Chevy "X" frame and drivetrain.

I also have 275x60x15 tires. works good.....
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Old 04-16-2004, 01:41 PM
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Most BOP 2004Rs have dual pattern. I got mine for my '53 Chevy pickup w/ 235 six out of a '85 Pontiac station wagon. I am using a Stovebolt Engine Co. tranny adapter.
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Old 04-16-2004, 06:29 PM
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Cool HOW many RPM'S ?

=========== that RPM figure seems a bit HIGH to me.


Quote:
Originally posted by Deuce

3.08 X 75 mph X 336 divided by 30 tall tire is 25,872 RPMs.

DEUCE....General Rodding Tech Moderator........




PS. The tire change will affect the correctness of your speedometer
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Old 04-16-2004, 07:53 PM
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Re: HOW many RPM'S ?

Quote:
Originally posted by Crosley
=========== that RPM figure seems a bit HIGH to me.

OK..............I placed the coma in the wrong place.......


That is a LITTLE high isn't Crosley ??

Bad eyes, no coffee and been up all night...sorry


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Old 04-17-2004, 08:23 AM
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Cool Re: Re: HOW many RPM'S ?

==== I guess if the motor was a gas turbine the RPM would be OK...

I dont drink coffee.... gives me the "wind"


Quote:
Originally posted by Deuce
OK..............I placed the coma in the wrong place.......


That is a LITTLE high isn't Crosley ??

Bad eyes, no coffee and been up all night...sorry


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Old 04-19-2004, 05:40 AM
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200r4

200 r4 has been around since 81 first car I noticed it used in was 1981 caprice s/w was a taxi cap
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Old 04-19-2004, 06:10 AM
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Re: Re: 2004r sources?

Quote:
Originally posted by Deuce
With either a 200-4R or a 700-R4 and a 3.08 rear end........you will be geared so high that the poor little six will have trouble pulling that BIG Biscayne.

The 200-4R has 33% overdrive.
The 700-R4 has 30% overdrive.

You must have a short 26 or so inch tall tire on the Biscayne.

200-4R......3.08 minus 33% = 2.063 (in overdrive)
700-R4......3.08 minus 30% = 2.156 (in overdrive)


I would buy two 15" rims and a 235X75 tire that was 29 to 30 inches tall and cut the RPM's that way.

3.08 X 75 mph X 336 divided by 30 tall tire is 25,872 RPMs.

DEUCE....General Rodding Tech Moderator........




PS. The tire change will affect the correctness of your speedometer
Somehow I think the 200-4R has a bit better geaing to it than a 2 speed powerglide

In fact the 200-4R has a much better 1st ratio than the 350 or 400, so you'd be much better off.
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