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» Northern California Ford Owners     » Automotive   » Tech Talk   » tko or t5z for 392w

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Author Topic: tko or t5z for 392w
rwcstang
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hopefully you guys can give me more input on these two transmissions.

Im currently building my 69 and im debating if i should tko600 or t5z behind my 392w stroker (450hp/400ishtq), I won't be Drag racing it with slicks, I prefer to autocross and road race. rear end gears will probably be 3:55's.

I have herd good and bad about the t5z's, some say they go boom behind strokers & tko's are hard to shift. I know my 69 tends to be on the heavy side of the classics but Im needing some input.

I've been debating this for about a year... lol

Posts: 34 | From: Peninsula Area | Registered: May 2006  |  :
LXjames
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Tko6

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On Point Motorsport prez.
King Lx

Posts: 4761 | From: Pittsburg CA | Registered: Mar 2011  |  :
Greasy
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T-56

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'93 Cobra-Coyote Powered
'03 DSG Cobra
'13 Dodge Cummins
'14 Rubicon X

Posts: 3272 | From: North Dallas | Registered: Jan 2005  |  :
Secnd2nun64
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I run a t5z. No issues yet, I don't launch it hard though. It's handling the power fine WOT.
Posts: 1460 | From: CA | Registered: Jun 2002  |  :
rwcstang
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quote:
Originally posted by Secnd2nun64:
I run a t5z. No issues yet, I don't launch it hard though. It's handling the power fine WOT.

are you running a 351w aswell? I know 351w tend to have more torque...especially if you stroke them.
Posts: 34 | From: Peninsula Area | Registered: May 2006  |  :
Secnd2nun64
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I run a 393w with 10lbs boost. If I didn't have the t5 already though I would get a tko600.
Posts: 1460 | From: CA | Registered: Jun 2002  |  :
5.0 LsX
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quote:
Originally posted by Greasy:
T-56

+2

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91' Notch

Posts: 1260 | Registered: May 2010  |  :
351w
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Astro a5, I hate Tremecs
Posts: 1020 | From: 510 | Registered: Apr 2012  |  :
70stang351w
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Here you go they make tko's that are plug and play for our years, just alittle over 4500 for fully loaded all options, and no cutting i believe. That what i want for my 70 with a 408w; 3.90...someday....

http://www.keislerauto.com/Keisler_Auto/Keisler_Engineering.html

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1996 GT VERT /32v MOD - SOLD
1970 Mustang Coupe M-Code 351w

Posts: 1419 | From: 925 | Registered: Apr 2010  |  :
rwcstang
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quote:
Originally posted by 70stang351w:
Here you go they make tko's that are plug and play for our years, just alittle over 4500 for fully loaded all options, and no cutting i believe. That what i want for my 70 with a 408w; 3.90...someday....

http://www.keislerauto.com/Keisler_Auto/Keisler_Engineering.html

I wanted their trans, but ppl complained that it was a 1 year wait, which I think is crazy...not only that people have complained about getting the wrong parts and some of the parts not looking "new" so that was a red flag for me.

I might go with moderndriveline, I cannot afford a brand new tko600. a friend of mine just took out his t5z for a t56 so I might just buy that and run with it. I just need a good clutch.

Posts: 34 | From: Peninsula Area | Registered: May 2006  |  :
SIC9250
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I've had both,the 600 was behind a H/C/I 306 on spray and handled the power just fine but I will say its a VERY notchy and not very smooth trans to shift gotta man handle it alot more than any t5...I also had a t5z in my 357w notch and loved it hands down..100+ 1.6/1.5 60ft mid 11 second passes leavin off 6k rev limiter an never lifting one time during my runs lol never gave me an issue at all!! Not to mention the diff in cost...Very stout trans but I was only making maybe 360 rw but beat the shit outta it like I made 600rw lol..good luck in your decision [patriot]

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Coyote_Mach1

Posts: 6959 | From: in the drivers seat. | Registered: Feb 2008  |  :
turbo50
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quote:
Originally posted by rwcstang:
quote:
Originally posted by 70stang351w:
Here you go they make tko's that are plug and play for our years, just alittle over 4500 for fully loaded all options, and no cutting i believe. That what i want for my 70 with a 408w; 3.90...someday....

http://www.keislerauto.com/Keisler_Auto/Keisler_Engineering.html

I wanted their trans, but ppl complained that it was a 1 year wait, which I think is crazy...not only that people have complained about getting the wrong parts and some of the parts not looking "new" so that was a red flag for me.

I might go with moderndriveline, I cannot afford a brand new tko600. a friend of mine just took out his t5z for a t56 so I might just buy that and run with it. I just need a good clutch.

I have a complete TKO600 setup with 200 miles on it for 2,000 Chris. Text me Dan 925-348-1534

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.........when was the last time YOU built something with YOUR own hands?

I offer quality sidework at reasonable prices. PM ME

Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006  |  :
rwcstang
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anyone know where I can get a used t56?
Posts: 34 | From: Peninsula Area | Registered: May 2006  |  :
phildog
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Member # 1214

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Modern Driveline set up two TKO600's for friend's cars and set them up with carbon fiber blocker rings. Both shift like butter. You wouldn't know it wasn't a T5 unless I told you. Maybe I got lucky but I call B.S. that all the TKO's are notchy. I would definitely go with a Modern Driveline TKO600.
Posts: 1554 | From: 510 | Registered: Apr 2002  |  :


 
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