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Transmissions and Drivetrain Need help with your trans? Problems with your axle?

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Old 06-17-2009, 10:42 PM   #1
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Join Date: Sep 2008
Location: Anchorage, Ak
Posts: 238
Car: 1988 Pontiac Firebird
Engine: 5.0 TBI
Transmission: W/C T5
Axle/Gears: 3.08 Posi

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What torque specs

Ok so i need to know the thread pattern for the T-5 bellhousing to engine bolts. When i just took out the tranny, i found out when me and a co-worker did my clutch last summer he forgot to torque the top 3 bolts down. So I am now short 3 or 4 bolts. If i can find the bolt pattern I can prolly pick some up at Fastenal. I know someone should have the bolt specs laying around. I really appreciate it. Hopefuly My Bird and I will be back on the road soon. -Russ

Last edited by akmusclecar; 06-19-2009 at 01:09 PM. Reason: Changed the title
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Old 06-17-2009, 10:54 PM   #2
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Join Date: Apr 2006
Location: Ashland, MO
Posts: 253
Car: 85 Macho Trans Am #25 of 25
Engine: Huffaker 406 440+ HP
Transmission: Tremec TKO 500
Axle/Gears: 9 bolt 3.73, 31 splined axles

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Re: What thread pattern

Bolts are 3/8-16 x 1.5", make sure they are grade 8 and torque down to 45 ft lbs.
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Old 06-18-2009, 12:26 AM   #3
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Car: 1988 Pontiac Firebird
Engine: 5.0 TBI
Transmission: W/C T5
Axle/Gears: 3.08 Posi

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Re: What thread pattern

TransAM Joe a million times. I am going to the fastener store in the morning. My bird sends it's appreciations also. (Now it's time to replace the rear main). Here is a pick of the "Dirty Bird" She has some work to be done to her.
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Old 06-18-2009, 04:31 PM   #4
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Join Date: Sep 2008
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Car: 1988 Pontiac Firebird
Engine: 5.0 TBI
Transmission: W/C T5
Axle/Gears: 3.08 Posi

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Re: What thread pattern

Ok i have another question.
What are the torque specs for the...
flywheel to engine bolts?
clutch pressure plate to flywheel?
All help greatly appreciated.
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Old 06-18-2009, 07:47 PM   #5
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Car: 1988 Pontiac Firebird
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Axle/Gears: 3.08 Posi

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Re: What thread pattern

bump
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Old 06-19-2009, 01:10 PM   #6
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Join Date: Sep 2008
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Car: 1988 Pontiac Firebird
Engine: 5.0 TBI
Transmission: W/C T5
Axle/Gears: 3.08 Posi

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Re: What thread pattern

TTT
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Old 06-19-2009, 02:48 PM   #7
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Location: Saskatoon, SK, Canada
Posts: 9,068
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi

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Re: What torque specs

Go to your closest parts store, get a basic manual for your car. It will have all the torque specs in it. I would use the specs out of the book over what someone told me on the internet. There are lots of knowledgeable people here, but you still never really know what your getting. Manual is only $10.
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Old 06-19-2009, 05:30 PM   #8
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Car: 1988 Pontiac Firebird
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Transmission: W/C T5
Axle/Gears: 3.08 Posi

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Re: What torque specs

Air adam- First off... I already have a manual for my car which i am not close to at the time, or i would "go to the nearest parts store an pick one up".
Second of all I am not going to spend $10 at a parts store, for your info in Anchorage, Alaska they want $26 For either a hayes or chiltons.
Third if you don't trust the info that a LOT of the members here will tell you, you probally shouldn't be on here. I know many members have a book near them, and wouldn't mind giving the specs that i am looking for.
Last but not least if you were a stand up member you would have a manual and wouldn't post non-relevant info, you would take a look and help another member out. With 8,000+ post i figure you have needed a little help or a simple question answered before.

To the OTHER members out there For the help you have given me. Any help or info pertaining the question i have Is appreciated. Once again -Russ
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Old 06-19-2009, 10:25 PM   #9
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Join Date: Apr 2006
Location: Ashland, MO
Posts: 253
Car: 85 Macho Trans Am #25 of 25
Engine: Huffaker 406 440+ HP
Transmission: Tremec TKO 500
Axle/Gears: 9 bolt 3.73, 31 splined axles

Classifieds Rating: (6)
Re: What torque specs

From the Haynes manual:

Flywheel to crank 74 ft. lbs, use blue loctite
Pressure plate to flywheel 35 ft. lbs, use blue loctite
Trans to bellhousing 45 ft. lbs.

Last edited by TransAM Joe; 06-19-2009 at 10:50 PM.
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Old 06-20-2009, 03:18 AM   #10
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Join Date: Sep 2008
Location: Anchorage, Ak
Posts: 238
Car: 1988 Pontiac Firebird
Engine: 5.0 TBI
Transmission: W/C T5
Axle/Gears: 3.08 Posi

Classifieds Rating: (0)
Re: What torque specs

TransAM Joe- For the info once again.
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Old 06-20-2009, 04:18 AM   #11
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Location: Saskatoon, SK, Canada
Posts: 9,068
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi

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Re: What torque specs

Quote:
Originally Posted by akmusclecar View Post
Air adam- First off... I already have a manual for my car which i am not close to at the time, or i would "go to the nearest parts store an pick one up".
Second of all I am not going to spend $10 at a parts store, for your info in Anchorage, Alaska they want $26 For either a hayes or chiltons.
Third if you don't trust the info that a LOT of the members here will tell you, you probally shouldn't be on here. I know many members have a book near them, and wouldn't mind giving the specs that i am looking for.
Last but not least if you were a stand up member you would have a manual and wouldn't post non-relevant info, you would take a look and help another member out. With 8,000+ post i figure you have needed a little help or a simple question answered before.

To the OTHER members out there For the help you have given me. Any help or info pertaining the question i have Is appreciated. Once again -Russ
Woa woa.... slow down. I'm not bashing anyone here. I'm just saying to be careful with info you take off a message board that any Joe can sign up to.

Yes, there are lots of knowledgeable members here who consistently give helpful and correct information to users with questions, but theres always that one guy who doesn't know what he's talking about, or gives bad info to other users, knowingly or not (usually the latter). Can you pick that guy out of a thread with 10 posts? Didn't think so.... neither can I sometimes.

I'm not bashing anyone, calling anyone out, or anything along those lines. I'm just saying to be careful with info you get from the internet. Its your car, your parts, and your money at risk - just be careful, and verify stuff like this with a concrete source, like a printed manual. I take alot of info and recommendations from members here myself, but if its something I can verify it with an established source, like a manual, I will. Most of the time the info is good, but theres the odd time it was bad info.

People on message boards seem too willing to take other people's word for it too often IMO, and a couple hours or a couple days later start a thread along the lines of "how do I remove a broken bolt?" or "where can I get another ____ really quick?" If people verify things like that with a more credible source, you can catch the bad info before its a problem.

Last edited by Air_Adam; 06-20-2009 at 04:23 AM.
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Old 06-20-2009, 04:18 AM
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