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

T5 rebuild

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Old Apr 2, 2010 | 05:28 PM
  #1  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
T5 rebuild

I am putting a 305 ho from a 85 monte ss and i am going to rebuild my trans before i complete the swap i was looking for a stronger setup to "reinforce" my trans and found one on jegs but its a ford racing kit and was wondering if i could use this or not.
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Old Apr 2, 2010 | 06:32 PM
  #2  
85MikeTPI's Avatar
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From: Elkton MD, USA
Car: 1985 Camaro Z28, VIN F
Engine: 427 sbc, HSR
Transmission: T-56, self rebuilt 700+ hp
Axle/Gears: Moser 12bolt, 3.42 trutrac
Re: T5 rebuild

No it won't.

Get a rebuild kit from thegearbox.org

http://www.thegearbox.org/T5.html

They also carry upgraded keys/fork-pads/supports/etc. to help strengthen the unit.
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Old Apr 2, 2010 | 06:44 PM
  #3  
ternandes's Avatar
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From: Moneta, VA
Car: 88 GTA
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: BW 9-bolt 3.27 posi
Re: T5 rebuild

As an alternative, you could talk to Bob at Hanlon Motorsports. He's a straight up guy and knows his T5s
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Old Apr 2, 2010 | 07:59 PM
  #4  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Originally Posted by ternandes
As an alternative, you could talk to Bob at Hanlon Motorsports. He's a straight up guy and knows his T5s
The Ford kits DO have some parts in them that'll work in the GM units, but as said above, it'd be best to talk to someone knowlegdeable about upgrading it. They could probably throw you together a custom rebuild kit that would include the good stuff from the Ford kit that'll work in yours along with the other GM specific stuff you'll need. If the Ford kit you're looking at includes gears, I know the input shaft won't work since ours is 26 spline and Ford uses a 10 spline. Some of the Ford T5's, like the Z-Spec model, also had a synchronized reverse gear, which won't fit the GM T5's. Another good upgrade is the solid rear countershaft reinforcement plate. This prevents the countergear from walking or moving backwards, since the stock retainer plate is just a thin, stamped steel piece. If you have about $1K to spend you could always get the G-Force T5 upgrade kit. It's spendy, but it strengthens up a T5 significantly over stock. Most guys just get a TKO or a T-56 if they're gonna spend that much coin though.

Last edited by Pat Hall; Apr 2, 2010 at 08:03 PM.
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Old Apr 2, 2010 | 08:14 PM
  #5  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
Re: T5 rebuild

Yeah if i was going to spend that much i would get a t56 but from what i understand on this page http://www.flatheadv8.org/ernie/ernie-t5.htm I'm going to have to change my input shaft is this correct?


Any suggestions/tips will be greatly apprecited i myself has never done this before, me and my father-in-law is doing the work and i'm not sure of his knowledge of the situtation either. I've spent hours on the forums and browsing the web getting as much info as i can but you never know what i might miss.

Last edited by bondue; Apr 2, 2010 at 08:38 PM.
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Old Apr 2, 2010 | 08:37 PM
  #6  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Trying to figure out what you're attempting. If you're using a GM T5, V8 trans for your swap, the input shaft should be fine. If you're talking about putting a Ford T5 in your Monte, you'll have problems with a lot more than just the input shaft. The Ford T5 has a different spline count on the output shaft, different shifter location, and a different bolt pattern where it mounts to the bellhousing. In other words, forget using a Ford T5.
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Old Apr 2, 2010 | 08:53 PM
  #7  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
Re: T5 rebuild

No i am doing the swap in a 92 v6 manual shift camaro rs but from what i got from reading that page the input spline for a v6 camaro differs from the input spline of a v8 the motor i stole is from a monte carlo ss not the car i am doing the swap in.
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Old Apr 2, 2010 | 09:18 PM
  #8  
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From: Roy,UT USA
Re: T5 rebuild

Oh ok, now I gotcha. Yeah, if you're using a V6 trans behind a V8 motor, what you need to do is get a specific clutch disc. If I remember right, you ask for a clutch disc for a 4.3L V6, S-10. It has a 14 spline hub and is 10.4" diameter. Also, the tip of the V6 input shaft where it goes into the pilot bushing in the back of the crank is about 1/2" longer than the tip of the V8 input shaft, so a lot of guys use a grinder with a thin cutoff wheel and remove about 1/2" off the end of the V6 input shaft. Unfortunately you can't just swap the input shaft to the 26 spline since the ratios are different between the V6 and V8 T5's. If you do a search here on "V6 T5 swap", there's been a few posts about adapting the V6 trans to the V8 motor. Somewhere in those posts there's a part# for the correct clutch disc and there's also some good pics on shortening the tip of the input shaft. P.S. I was bored so I did a quick search for ya. This thread is a good starting point for you. Board member Qytum posted good pics of the input shaft mod, but the link doesn't work anymore. Still an infomative post though for what you're doing. https://www.thirdgen.org/forums/tran...-mated-v8.html

Last edited by Pat Hall; Apr 2, 2010 at 09:28 PM.
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Old Apr 3, 2010 | 01:14 AM
  #9  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
Re: T5 rebuild

thanks a million i would have been completely lost, lol


So from reading that i understand that i can use the 153 tooth flywheel but need a 10.75 clutch and the pressure plate from a 87 vette?

Last edited by bondue; Apr 3, 2010 at 01:29 AM. Reason: to not make another post.......
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Old Apr 3, 2010 | 04:34 AM
  #10  
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From: Moneta, VA
Car: 88 GTA
Engine: 305 TPI
Transmission: WC T5
Axle/Gears: BW 9-bolt 3.27 posi
Re: T5 rebuild

FYI, Hanlon Motorsports (do you get the idea that I like these guys?) sells a DVD for $25 that shows a step by step rebuild of a T5. The trans that he rebuilds in the videos is a Ford WC T5, but as long as you are aware that there are some differences from application to application, it makes the job SO much easier. Plus you can call them (they answer the phone on Saturdays) for help or advice if you run into a problem. They saved me a lot of time, money, and aggravation.

The other thing that you'll need is an exploded diagram of your specific T5, it makes assembly a whole lot easier. You should be able to find one online.

BTW, if you want to upgrade to something better, they have them... and they also have a few NOS WC T5s sitting on the shelf for V8s. I think they want $1500 for one of those.
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Old Apr 4, 2010 | 01:32 AM
  #11  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Originally Posted by bondue
thanks a million i would have been completely lost, lol


So from reading that i understand that i can use the 153 tooth flywheel but need a 10.75 clutch and the pressure plate from a 87 vette?
Don't even mess with trying to use some kind of "Vette" clutch. As long as you have the correct flywheel for your application, just buy the pressure plate that goes with an 86-92 f-body with a 305 V8. You won't be able to use the disc that comes with it of course, but you could always sell the disc here or on ebay to recoup a little money. The S-10/Astro Van disc should work just fine with the stock 86-92 5.0L pressure plate and throwout. Here's a link for a Ram Powergrip clutch for our application. This clutch works fantastic. You'd be really happy with it. http://www.summitracing.com/parts/RAM-98730/ Oh yeah, you'll also need to pick up a disc alignment tool for the 14 spine input shaft. These only cost about 10 bucks from any parts store. Here's a link for the right alignment tool you'll need. http://www.summitracing.com/parts/CTF-53006/ Here's one last link for the flywheel you need. http://www.summitracing.com/parts/NAL-14088650/
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Old Apr 5, 2010 | 10:05 PM
  #12  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
Re: T5 rebuild

Thanks for the advice but i found something on Ebay that made it a lot easier i'm going to add you as a friend on here, you know you stuff so your my designated "what the hell am i sapose to do" guy, lol
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Old Apr 6, 2010 | 04:56 AM
  #13  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Wow, that's a beautiful 3rd gen! I hope you can outbid all the other putzes without going broke! I'll add you to my friend list as well. I'm more than happy to dole out advice for a fellow thirdgenner. It really sucks trying to figure things out by your self some times! My weak area is computer stuff. I just paid to have a custom chip burned for my car, and it's having issues. Of course the guy is being a dick about it, and swearing up and down that the problem isn't being caused by his chip, yet the problem miraculously goes away whenever I put the stock chip back in. He hasn't given me one shred of advice, just argues with me. The members here on TGO have been wonderfully helpful though!
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Old Apr 6, 2010 | 09:58 AM
  #14  
bondue's Avatar
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From: Ironton, OH
Car: 1992 Chevrolet Camaro Z28
Engine: 305 V8 TPI
Transmission: 700R4
Re: T5 rebuild

Thanks I appreciate it, the car is a 305 tpi i got a buddy who has a 350 block that said he would sell it to me for 75 bucks, so i plan to bore it .30 over, get me a ram air system, underdrive pullies, chip, and maybe this weird super charger thing i found, i don't plan to make something thats going to empty a tank of gas after a time of laying the hammer down, but i want something that can still hold her own. Thats sucks about the guy being a dick about the chip, i don't want to get into all that "specially made" crap just for that reason you probably dropped some change to have one custom made just to get ripped in the end. Might be a T56 project in the future but not sure about that yet.

I won the bid monday night $3450 i figure damn good price for the condition and for a z28

Last edited by bondue; Apr 6, 2010 at 10:09 AM.
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Old Apr 6, 2010 | 10:33 AM
  #15  
85MikeTPI's Avatar
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25 Year Member
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Joined: Aug 1999
Posts: 858
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From: Elkton MD, USA
Car: 1985 Camaro Z28, VIN F
Engine: 427 sbc, HSR
Transmission: T-56, self rebuilt 700+ hp
Axle/Gears: Moser 12bolt, 3.42 trutrac
Re: T5 rebuild

Originally Posted by Pat Hall
My weak area is computer stuff. I just paid to have a custom chip burned for my car, and it's having issues. Of course the guy is being a dick about it, and swearing up and down that the problem isn't being caused by his chip, yet the problem miraculously goes away whenever I put the stock chip back in. He hasn't given me one shred of advice, just argues with me. The members here on TGO have been wonderfully helpful though!
What's the custom chip trying to do for ya? Do you have a Moates G3 to allow you to replace the PROM without soldering? PM me if you need help.

Sorry for the :hijack:
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Old Apr 8, 2010 | 11:15 AM
  #16  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Hey Mike, sent you a PM. Congrats on your purchase Bondue! Going off the pictures in the auction, it looks like you got a hell of a nice 3rd gen for what you paid!
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Old May 3, 2010 | 11:44 AM
  #17  
Pat Hall's Avatar
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From: Roy,UT USA
Re: T5 rebuild

Originally Posted by 85MikeTPI
What's the custom chip trying to do for ya? Do you have a Moates G3 to allow you to replace the PROM without soldering? PM me if you need help.

Sorry for the :hijack:
Just wanted to post a HUGE to 85MikeTPI. He did some tweaking on the lockup settings in Alvin's chip, and it works perfectly now! Word to the wise, don't expect any customer service from Alvin once you've paid for the intial chip burn. After all, he's too perfect to ever mess up on a tune. Yeah right!
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