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Author Topic: 4 Cyl T5 swap  (Read 26132 times)
347Cobra
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« on: March 14, 2011, 02:23:46 am »

  I've done the 4 cyl T5 into 5.0 swap. I know Iknow, I am going to hear the "oh you cant do that 'cause the 4 banger T5 wont handle it" or "it wont fit" 

Well It will fit. I have always been on a tight budget and I acquired a '90 GT one time with a noisy T5. I bought a rebuild kit for it and when I disassembled it it needed a countershaft too. So I was stranded. I went to my local "pick-a-part" and tried to find the 5.0 T5, with no luck and having to be to work the next day I opted for the 4 cyl T5. Well I did not know the Input shaft tip was smaller. Same splines,length but the tip was smaller (pilot tip). The gearset in the 4 cyl is taller, main bearing on input was larger, and the countershaft wouldn't work 'cause of the ratio difference.

Here is the trick, grab a old school brass pilot bushing, drill to spec of small pilot for the 4 cyl T5, and JB weld it in the brass. I stuck a aluminum bushing behind it in the crank to keep the thrust in control. And now you have a good tranny. Another goody was the ratio difference was like going from 3.42 gear to a 3.73.   The 4cyl T5 is rated for 245 lb torque, The stock 5.0 T5 is 300. I put 20,000 mi on that 4 cyl T5 with my basically stock 302 (CAI,tb,spacer,long tubes,2.5" full bassani) That 20 k on were hard too. 3000 rpm launches from time to time, no problem ever. Not everybody is as poor as I used to be, but I figured if it would help someone, I'd throw out there for you
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Watch for signs of ICRD syndrome, (Inverted Cranial Rectum Disease) Been going around lately....
juiced coupe
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Big Block
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« Reply #1 on: March 14, 2011, 03:36:12 am »

I don't remember the part number, but there is a bearing avaliable that fits. I had a 4 cyl trans from a SVO in my 84 GT, Advance Auto was able to match one up for me.
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
mighty mouse
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« Reply #2 on: March 14, 2011, 11:24:22 am »

I don't remember the part number, but there is a bearing avaliable that fits. I had a 4 cyl trans from a SVO in my 84 GT, Advance Auto was able to match one up for me.

Clutch-in! part number 14672
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1986 Mustang GT Convertible
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347Cobra
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« Reply #3 on: March 14, 2011, 07:30:19 pm »

 Good to know now, My oreilly's had no idea what I was talking about as usual when asked for the conversion bearing. Just like the other time I put a s195 FMS alum. shaft in my '90 I needed the U-joints 1330's one way and 1350's the other. They all played dumb
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frankstang
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« Reply #4 on: March 22, 2011, 06:03:40 am »

Early Diesel Ranger pilot bushing/bearing works if I'm not mistaken.
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1988 Ford Ranger 5.0, 5 speed, 3:73 8.8 rear, ported E7.
1979 Fairmont Wagon 347,Trick Flow 205,5 speed, and 3:08 gears, for now!
juiced coupe
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Location: Pascagoula, MS
The land mass between New Orleans and Mobile


« Reply #5 on: March 22, 2011, 06:57:43 am »

They all played dumb

They aren't playing.  Whistling
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html

Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
HIGHVOLTJ
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Location: Billings, MT
Goin' old school


« Reply #6 on: April 20, 2011, 06:36:33 pm »

They all played dumb

They aren't playing.  Whistling

That ain't no shit!

Pilot bearing from an early 90's Mazda B2200 or B2600 is what you want, I don't remember which, I converted my 4 cyl. fox to a 5.0 and kept the stock trans.  That first gear was LOW!
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1990 LX 5.0 5-speed Hatch - new Daily
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Captbb56
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« Reply #7 on: April 22, 2011, 06:47:36 am »

I was told a desel Mazda pickup. The guys on Four Eyed Pride know this stuff. I've been granny shifting mine for 700 miles now. 
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Barryb
347 Four Eyed Foxbody - Learning how to make more power thru SBFTech
justin73
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« Reply #8 on: February 25, 2013, 10:39:35 pm »

I put one in a 88 ft did not change the pilot bearing and it ran fine no noises or anything.
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Cobra109
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« Reply #9 on: February 26, 2013, 10:06:14 am »

I don't remember the part number, but there is a bearing avaliable that fits. I had a 4 cyl trans from a SVO in my 84 GT, Advance Auto was able to match one up for me.

Clutch-in! part number 14672
[/quote                                                                                                                  Mighty    If you dont mind ,  do you have a brand name to go with part #?   
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Mr.Blue
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Location: Pensacola,FL

« Reply #10 on: February 26, 2013, 11:03:30 am »

I don't remember the part number, but there is a bearing avaliable that fits. I had a 4 cyl trans from a SVO in my 84 GT, Advance Auto was able to match one up for me.

Clutch-in! part number 14672
[/quote                                                                                                                  Mighty    If you dont mind ,  do you have a brand name to go with part #?   

Autozone...............Dorman/Clutch 14672...........$13.99..............

http://www.autozone.com/autozone/parts/Clutch-Pilot-Bearing/_/N-6o22x?filterByKeyWord=14672&fromString=search&isSearchByPartNumber=true

Also be aware of this................

One last piece of important information. ALL World Class T-5 use ATF oil and NOT heavy gear oil or RedlineMTL! All NON-World Class T-5 use 70 wt gear oil.
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Cobra109
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« Reply #11 on: February 26, 2013, 01:25:32 pm »

THANKS Mr Blue ,  My son is about to make use of this Info.
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HIGHVOLTJ
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Location: Billings, MT
Goin' old school


« Reply #12 on: March 06, 2013, 01:21:53 pm »

I don't remember the part number, but there is a bearing avaliable that fits. I had a 4 cyl trans from a SVO in my 84 GT, Advance Auto was able to match one up for me.

Clutch-in! part number 14672
[/quote                                                                                                                  Mighty    If you dont mind ,  do you have a brand name to go with part #?  

Autozone...............Dorman/Clutch 14672...........$13.99..............

http://www.autozone.com/autozone/parts/Clutch-Pilot-Bearing/_/N-6o22x?filterByKeyWord=14672&fromString=search&isSearchByPartNumber=true

Also be aware of this................

One last piece of important information. ALL World Class T-5 use ATF oil and NOT heavy gear oil or RedlineMTL! All NON-World Class T-5 use 70 wt gear oil.























You sure on that Mr. Blue?  My '89 had ATF in it at 70K miles and I don't think it had ever been changed.  Replaced it with ATF and no issues.  It was a 4-cyl car, so NWC
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1994 Lightning #2978 - SOLD!!!
1989 LX 5.0 5-speed Coupe - SOLD!!!
1990 LX 5.0 5-speed Hatch - new Daily
1977 F150 RCLB 2wd - 400 build in the works
Mr.Blue
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« Reply #13 on: March 06, 2013, 01:45:29 pm »


You sure on that Mr. Blue?  My '89 had ATF in it at 70K miles and I don't think it had ever been changed.  Replaced it with ATF and no issues.  It was a 4-cyl car, so NWC


Yes, i'm pretty sure lol..............they originally came with/called for dexron II but after it was phased out BW/Tremec listed 70w gear oil as its replacement...............
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Rodney Tolleson/VP SBFTech van club
68mustang405
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« Reply #14 on: March 06, 2013, 09:09:08 pm »

89 woulda been world class 4cyl or v8.
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68 Mustang 310 twisted wedge 170, tfs1, weiand stealth, 1.6 rr t5 3.55s with a locker, a/c and all the creature comforts.

On a serious note.. wagon made 3000hp on the dyno
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