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T5 Swap Questions

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Old May 19, 2008 | 10:18 PM
  #1  
85Iroc-Z's Avatar
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From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
T5 Swap Questions

I am planning on swapping in a T5 over my 700r4. Will the driveshaft from the 700r4 work with the T5? What other parts will work also? Any good tips for this installation? Also, are the T5's as bad as everybody makes them out to be? I hear the cases arent very strong on them. Is that all thats wrong with them?
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Old May 20, 2008 | 04:55 AM
  #2  
Nater36's Avatar
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Car: 1989 Firebird Formula
Engine: 310 HSR, TFS heads, zz4 cam
Transmission: T5
Axle/Gears: 9 bolt 3:70
Re: T5 Swap Questions

i dont know wut all you will need for the swap but I can chime in about the T5 being bad... I've never had a problem with mine, its at 145k miles now w/o a problem and im not easy on it either
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Old May 20, 2008 | 05:24 AM
  #3  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: T5 Swap Questions

Originally Posted by 85Iroc-Z
Will the driveshaft from the 700r4 work with the T5?
Yes, same length.

JamesC
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Old May 21, 2008 | 04:49 PM
  #4  
85Iroc-Z's Avatar
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Joined: Mar 2007
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From: NE Pennsylvania
Car: 85 Iroc-Z
Engine: 383 TPI Procharger D1SC
Transmission: TKO600
Axle/Gears: Strange S60 3.73
Re: T5 Swap Questions

My engine is a 305 TPI with a cam in it and some other small upgrades to come (headers etc). Do you think the t5 will give me any problems?
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Old May 21, 2008 | 06:46 PM
  #5  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: T5 Swap Questions

Originally Posted by 85Iroc-Z
My engine is a 305 TPI with a cam in it and some other small upgrades to come (headers etc). Do you think the t5 will give me any problems?
Doubtful. Note what I'm running.

JamesC
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Old May 21, 2008 | 11:35 PM
  #6  
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Engine: 305
Transmission: 700R4
Re: T5 Swap Questions

Anybody know the parts list that you need off hand???
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Old May 22, 2008 | 05:17 AM
  #7  
JamesC's Avatar
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: T5 Swap Questions

A search should provide the info you need.

JamesC
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Old May 22, 2008 | 08:03 AM
  #8  
bkcamaro's Avatar
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Joined: Apr 2008
Posts: 68
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From: Krakow
Car: 85 z-28 and 96 z-28
Engine: 383 storker and a 350LT1
Transmission: 700R4 and 4L60E
Axle/Gears: 3.23 and 3.73
Re: T5 Swap Questions

i hear that a t-5 trany wont hold up if ur car is pushing over 350 hp is this true
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Old May 22, 2008 | 11:39 AM
  #9  
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From: Vancouver, WA
Car: 87 IROC-Z28
Engine: 305 TPI-New 355 on the engine stand
Transmission: T56
Axle/Gears: 3.73 Eaton posi-Soon a 9" Ford!
Re: T5 Swap Questions

I agree a search is best, you learn a lot of reading all the posts. But sometimes it’s not real easy to put all the info together into a short list. So, I’ve got a little time before work so here’s a list for the change over. I’m sure I’ve missed something, but I believe I’ve hit the high points.

-Pilot bushing
-Flywheel and flywheel bolts (not flex plate bolts. Mr. Gasket# 912 about $9)
-Clutch/pressure plate/throw out bearing and pressure plate bolts (special bolts-Mr.
Gasket part# 910 about $7. They do not come with a new clutch)
-Bell housing/clutch fork/transmission mounting bolts
-Starter (auto starters are different from manual starters)
-Clutch master and slave cylinder, clutch reservoir
-Brake/clutch pedal setup
-Transmission/shifter
-Possibly a manual trans cross member (not sure if they are the same as an auto)
-Manual shift plate and boot for your console (depending on what console you have)

You will have to wire up the clutch safety switch on the new pedal assembly. I’d look at the donor car you get the pedals from and see how it’s hooked up, maybe even get a part of the wiring harness. Also auto cars generally have much higher rear end ratios, like 2.73’s. Look for a manual car, possibly a 6 cyl. car with a stick. I found one with a 3.42 in it. It will be miserable to drive with a 2.73 rear gear and a manual trans.
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