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 Post subject: Which Transmission Fluid
PostPosted:Sat Jun 13, 2015 1:44 pm 
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Big Block

Joined:Sun Apr 05, 2015 3:08 pm
Posts:65
Car Details:1980 Camaro Berlinetta 305 v8
1993 Cadillac DeVille 4.9 v8
Anyone know what Transmission fluid I need for a 2nd gen 1980 v6 229 3 speed auto? Pretty sure the box is a th200. Don't know what it's supposed to have or what the modern UK equivalent would be. Looking to do a complete fluid change. Thanks.


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Which Transmission Fluid

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PostPosted:Sat Jun 13, 2015 4:28 pm 
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Big Block
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Joined:Sat Jun 28, 2014 6:55 pm
Posts:808
Location:Croxley Green, Hertfordshire
Have you looked in a handbook? Haynes manual? Or checked the box itself for a label?

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PostPosted:Sat Jun 13, 2015 9:18 pm 
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Big Block

Joined:Sun Apr 05, 2015 3:08 pm
Posts:65
Car Details:1980 Camaro Berlinetta 305 v8
1993 Cadillac DeVille 4.9 v8
Didn't think Haynes did American manuals. I don't have a handbook either. :/


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PostPosted:Sat Jun 13, 2015 9:31 pm 
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Big Block
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Joined:Sun Jan 13, 2013 7:00 am
Posts:1158
Car Details:1986 Camaro, bought into Spain by me in 1993.
305 replaced by a 355, 750 Demon carb, RPM AirGap intake, Brodix heads, Hedman Hedders, 3" Flowmaster exhaust.
Wheels are Summit aluminium 5 spokes, tyres are 245 rear 225 front BF Goodrich.
B/M transmission, battery relocated to the rear, GoodMark 4" cowl steel hood.
Location:Spain East Coast
http://www.haynes.com/repairmanuals?mak ... del=camaro

Dexron II surely.


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PostPosted:Sat Jun 13, 2015 9:52 pm 
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Big Block
User avatar

Joined:Sun Jan 13, 2013 7:00 am
Posts:1158
Car Details:1986 Camaro, bought into Spain by me in 1993.
305 replaced by a 355, 750 Demon carb, RPM AirGap intake, Brodix heads, Hedman Hedders, 3" Flowmaster exhaust.
Wheels are Summit aluminium 5 spokes, tyres are 245 rear 225 front BF Goodrich.
B/M transmission, battery relocated to the rear, GoodMark 4" cowl steel hood.
Location:Spain East Coast
Search your car on RockAuto.com, they sell the repair manuals too, Chilton and Haynes.

http://www.rockauto.com/


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PostPosted:Sun Jun 14, 2015 10:05 pm 
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Big Block

Joined:Sun Jul 25, 2010 3:40 pm
Posts:206
Location:Roswell New Mexico
http://www.oilspecifications.org/general_motors_gm.php

The oil comparison tool is neat


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PostPosted:Mon Jun 15, 2015 3:17 pm 
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Big Block
User avatar

Joined:Sun Jan 13, 2013 7:00 am
Posts:1158
Car Details:1986 Camaro, bought into Spain by me in 1993.
305 replaced by a 355, 750 Demon carb, RPM AirGap intake, Brodix heads, Hedman Hedders, 3" Flowmaster exhaust.
Wheels are Summit aluminium 5 spokes, tyres are 245 rear 225 front BF Goodrich.
B/M transmission, battery relocated to the rear, GoodMark 4" cowl steel hood.
Location:Spain East Coast
Haynes on Amazon.co.uk

http://www.amazon.co.uk/Chevrolet-Camar ... let+camaro

Chilton on Amazon.co.uk

http://www.amazon.co.uk/Chevrolet-Camar ... let+camaro

A comment about the Chilton manual,
"This service manual is one of the worst I have ever bought. I have a pile of manuals three feet high and this Chilton makes all of them seem like the bible of automotive repair. The quality of the graphics is so poor that they are plain worthless. It's content is very limited. You would need three or four Chiltons to do anything significant to a Camaro. Knowing what I know now, I wouldn't put it on my book shelf, if it was free. Save your money. Amazon has too many other good manuals to choose from."

I did´nt find it so bad, I have both manuals and tend to glean info from both.


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PostPosted:Mon Jun 15, 2015 5:48 pm 
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Big Block

Joined:Sun Apr 05, 2015 3:08 pm
Posts:65
Car Details:1980 Camaro Berlinetta 305 v8
1993 Cadillac DeVille 4.9 v8
Thanks for the help. Can't find a Haynes anywhere for 'All Models' 1970 to 1981 only the 'V8 Engines' one. :problem:


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PostPosted:Mon Jun 15, 2015 8:09 pm 
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Big Block
User avatar

Joined:Sun Jan 13, 2013 7:00 am
Posts:1158
Car Details:1986 Camaro, bought into Spain by me in 1993.
305 replaced by a 355, 750 Demon carb, RPM AirGap intake, Brodix heads, Hedman Hedders, 3" Flowmaster exhaust.
Wheels are Summit aluminium 5 spokes, tyres are 245 rear 225 front BF Goodrich.
B/M transmission, battery relocated to the rear, GoodMark 4" cowl steel hood.
Location:Spain East Coast
Can ´t find any book specific to your car BUT my two manuals cover all engine options.


Use Google !!

Trans info.
http://www.nastyz28.com/2gcog/trans.html

Fluid type.
http://www.montecarloss.com/community/u ... ber=896582

Mind you I´m having trouble nailing this.


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PostPosted:Sun Jul 26, 2015 2:19 pm 
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Big Block
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Joined:Tue Feb 23, 2010 12:40 pm
Posts:3245
Car Details:'79 Camaro, 350 V8
Location:South Bucks
Finally found the 67-81 Camaro Chilton manual. No matter how much tidying you do in a garage it's never enough!

Section 1-83 talks about recommended lubricants. For Auto transmissions it says Dexron or Dexron 11ATF. Wikiepedia says:
Quote:
Dexron-II, IID and IIE

Dexron-II was introduced in 1972 with alternative friction modifiers such as Jojoba oil. However, it caused problems with corrosion-prone solder in GM's transmission fluid coolers;[2] accordingly, corrosion inhibitors were added to the product. The resultant fluid, released in 1975, was called Dexron-IID. However, the corrosion inhibitor made the new fluid hygroscopic, which while it was not a major problem in automatic transmissions, made Dexron IID unsuitable for other hydraulic systems in which it was commonly used.[2] A further reformulation to address excessive hygroscopicity was named Dexron-IIE (GM Spec GM6137M).
Dexron-III

In 1993, GM released new Dexron-III fluid (GM Spec GM6417M and later GMN10055). It is generally backward-compatible with transmissions using earlier Dexron fluids or Type-A/Suffix-A fluid.
Dexron-VI

The fluid specification for Dexron-VI was introduced in 2005, and was first used as the GM factory-fill automatic transmission fluid for model year 2006. All Dexron-III licenses expired permanently at the end of 2006, and GM now supports only Dexron-VI fluids for use in their automatic transmissions,[3] although fluids asserted by their manufacturers to meet Dexron-III standards continue to be sold under names such as Dex/Merc. These fluids are not regulated or endorsed by GM.[4]

Dexron VI is of a slightly lower viscosity when new compared to the prior Dexron fluids (a maximum of 6.4 cSt at 100°C for Dexron VI and 7.5 cSt for Dexron III), but the allowed viscosity loss from shearing of the ATF during use is lower for Dexron VI, resulting in the same lowest allowed final viscosity for both Dexron III and VI (5.5 cSt).[5] The lower viscosity is intended to gain improvements in fuel economy by lessening parasitic drag in the transmission. Since Dexron VI is not allowed to thin out (lower its viscosity) as much as Dexron III during use, it requires the use of higher-quality, more shear-stable (less prone to thinning while in use) base oils.[4] The current GM specification that defines the fluid is GMW16444, which superseded the original specification, GMN10060.
Erm.

I've got a load of B&M trickshift to go in mine (TH350). I just checked the label and it didn't give a spec.

Usually as with engine oils, the SAE number is always superseded after many years and the manual always says something like "use minimum of SAE 1" and then you go to the shop and see SAE 5 and look it up and the literature says that it's backwards compatible. Dexron 3 is backwards compatible to 2.

If you want Dexron 3: http://www.ebay.co.uk/itm/Comma-AQ3-ATF ... 25a982efd5
If you want Dexron 2, as recommended in the manual: http://www.ebay.co.uk/itm/Comma-AQM-ATF ... 25a90a9b6e

Not sure about the whole synthetic / semi synthetic thing but according to what i saw with the Comma one, is that it's mineral based.

I would be swayed towards Dexron 3 as it addressed the hygroscopic issue found in Dexron 11D and it's still backward compatible to 11D, 11 and the original Dexron. As the article mentions, in an auto tranny moisture isn't a issue but i would be tempted to go for the newer version that doesn't attract moisture.

Also the manual says that it holds 6 pints (3 litres) of fluid for a 350c auto tranny, otherwise it's 7 pints (3.5 litres) for the other auto tranny (not sure what the other one would be, wouldn't be a th400 i don't think).

Hope that helps!

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