BADASS of New England
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BADASS of New England

An automobile club for the enthusiast who enjoys the last of the big GM cars. The rear wheel drive B and D bodys. Chevrolet Impala SS, Caprice, 9C1, Buick Roadmaster, Oldsmobile Custom Cruiser, Cadillac Fleetwood
 
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Most users ever online was 182 on Thu May 27, 2021 9:57 pm
Latest topics
» Wheel and Tire Bundles
Should I go T56 or 4L60E? EmptyWed Oct 19, 2022 1:27 pm by scot

» Loss of a friend
Should I go T56 or 4L60E? EmptyTue Oct 18, 2022 8:58 pm by silverfox103

» 2021 Fourteenth Annual B & D Roundup!! Mark your calendar! Saturday October 16th
Should I go T56 or 4L60E? EmptyTue Sep 28, 2021 11:01 pm by silverfox103

» WTB - caprice parts
Should I go T56 or 4L60E? EmptyFri Sep 24, 2021 9:53 am by ElKy

» 2021 Roundup Sign Up Sheet
Should I go T56 or 4L60E? EmptySun Sep 19, 2021 6:22 pm by black blur 96

» Another Vehicle Thread
Should I go T56 or 4L60E? EmptySun Jun 20, 2021 11:37 am by scot

» Wheel and Tire Recommendation
Should I go T56 or 4L60E? EmptyFri Jun 11, 2021 10:41 am by scot

» 275/60-15 Nitto 555 Extreme
Should I go T56 or 4L60E? EmptyWed Jun 09, 2021 9:41 pm by Chris Klein

» Allagash canoe trips 2021
Should I go T56 or 4L60E? EmptyWed Jun 02, 2021 9:02 pm by Chris Klein

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 Should I go T56 or 4L60E?

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boojum
bammax
toomanytoyz
Pooge
Fishah
iceman3201
JRS9C1
11 posters
AuthorMessage
JRS9C1

JRS9C1


Posts : 434
Join date : 2009-01-20
Age : 34
Location : Bethel ME

Should I go T56 or 4L60E? Empty
PostSubject: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyThu Sep 24, 2009 9:02 pm

Getting ready to put in yet another tranny...after giving it some thought, why not do T56? If I was to stay auto I would go CPT level 3, for $1900. I know there are a few trannys on the f body boards - complete for about $1300. When you factor in labor it's a little more than CPT.

What would you guys do?
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iceman3201

iceman3201


Posts : 641
Join date : 2009-02-12
Age : 77
Location : south portland maine

Should I go T56 or 4L60E? Empty
PostSubject: should i go t56 or 4l60e?   Should I go T56 or 4L60E? EmptyThu Sep 24, 2009 10:08 pm

i cant speak for any one else. but for fun alone its worth the price for the t56. you already have the gears. 4.11 like mine. check with bill f. i believe they will install for like $650-$700.00 not sure of that. they did my install. and its smooth as silk. love it. next time your down this way give me a call. and you can try mine out. you wont believe the difference. like bill c said it feels a thousand lbs lighter. i live by the college here. you drive by there and watch the heads turn. Very Happy
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http://iceman3201@maine.rr.com
Fishah

Fishah


Posts : 1118
Join date : 2009-01-20
Age : 36
Location : Chicago, IL

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyThu Sep 24, 2009 10:14 pm

Actually I don't work their anymore. They would probably still do your car - but I won't be able to oversee it like I did Ron's car.
---


Definately go T56 though. It's amazing the way it transforms the car.
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Pooge

Pooge


Posts : 1700
Join date : 2009-03-24

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyThu Sep 24, 2009 10:20 pm

T56 for sure. After driving Crovo's, even with the heavy clutch, i would not want to put another penny into an auto tranny. It reminded me of my old 6 speed powerstroke with an aftermarket clutch in that it was either in gear or out, and when in gear it was pulling, so hold on!

I always said that if my tranny ever went I would put the car in the garage until I could afford the T56. F2B is set up with such good instructions now that I would not hesitate to do it. In fact, my next project will be a frame-up build and will be set up for a T56 from day one I a thinking.

Doug
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toomanytoyz
Club President
toomanytoyz


Posts : 6876
Join date : 2009-01-20
Age : 47
Location : East Hampstead, NH USA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyFri Sep 25, 2009 2:04 pm

I'm gonna do ANOTHER one in the Marshmallow. That makes 3. What's that tell ya? Wink
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http://impalass.uniquekind.net/
bammax

bammax


Posts : 2301
Join date : 2009-02-22
Age : 42
Location : Mansfield, Ma

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyFri Sep 25, 2009 3:27 pm

Has anyone ever paid much attention to the company that manufactures the kit? I'll post the website for the company. Pay very close attention to the contact section at the bottom of the page and see how insanely far away from us New England guys this company really is.

f2bkit

Wonder if they would be able to do an install in their garage?
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toomanytoyz
Club President
toomanytoyz


Posts : 6876
Join date : 2009-01-20
Age : 47
Location : East Hampstead, NH USA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyFri Sep 25, 2009 3:48 pm

Brad, you've met one of the guys who helped design it. He's in our club, ya know. Wink Jay Doughty.

Also Scott Peitsch and Mike O'Donnell rounded out the design team. Mike's posted here before, and knows of us. He's helped me with my swaps and done quite a few others. And Scott is still our local tuner. He dyno tuned my SS for me. Smile

Small world, eh?
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http://impalass.uniquekind.net/
bammax

bammax


Posts : 2301
Join date : 2009-02-22
Age : 42
Location : Mansfield, Ma

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyFri Sep 25, 2009 4:24 pm

It's amazing how many people I've met who I don't know I've met Wink

Ok so for all those who were in the loop on this particular bit of info, you should be ashamed of yourselves for letting me be all proud of myself for figuring out something obvious. Shame on you people Sad

So does that mean we can go to the shop and get the kits to save on shipping? And can we ask them stupid questions before we get in over our heads like we do of Golen and others?
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toomanytoyz
Club President
toomanytoyz


Posts : 6876
Join date : 2009-01-20
Age : 47
Location : East Hampstead, NH USA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyFri Sep 25, 2009 4:27 pm

Yes, you can save shipping by picking it up. I did that with my last one. They are right off Rte2 in Fitchburg. Or maybe it was off 190... Not sure, it was a while ago!

They don't know anything about the install though. They are just the machine shop that Jay contracted to produce the kits, AFAIK.

(Also, sorry to burst your bubble!)


(not really) Razz
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http://impalass.uniquekind.net/
Pooge

Pooge


Posts : 1700
Join date : 2009-03-24

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyMon Sep 28, 2009 9:59 pm

toomanytoyz wrote:
Brad, you've met one of the guys who helped design it. He's in our club, ya know. Wink Jay Doughty.

Ya Brad, you met Jay at my place too! Jeez, get with the program... LOL
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boojum




Posts : 2182
Join date : 2009-01-21
Age : 36
Location : NH

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 1:02 am

What gear should I use if I was to do a T56 swap in a sedan?
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bowtiepimp

bowtiepimp


Posts : 1568
Join date : 2010-06-19
Age : 38
Location : working a corner near you

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 6:12 am

boojum wrote:
What gear should I use if I was to do a T56 swap in a sedan?



4:20
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sdstick

sdstick


Posts : 4292
Join date : 2009-03-20
Location : Revere, MA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 6:15 am

I thought you just bought 4.10's?

Couldnt figure out why you left the Eaton posi tho?.. scratch
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boojum




Posts : 2182
Join date : 2009-01-21
Age : 36
Location : NH

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 7:12 am

I got a good deal from Glen on a posi a while back.

4.20s would be good. Where can I get a set?
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toomanytoyz
Club President
toomanytoyz


Posts : 6876
Join date : 2009-01-20
Age : 47
Location : East Hampstead, NH USA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 8:13 am

Holy Thread Resurrection, Batman! Some old names in this one! Razz

For a daily, you're all set. For more spirited stuff, 4.56 or 4.88. But you'll probably need an aluminum driveshaft for the last two... But you knew that already. Wink
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sdstick

sdstick


Posts : 4292
Join date : 2009-03-20
Location : Revere, MA

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 9:00 am

toomanytoyz wrote:
Holy Thread Resurrection, Batman! Some old names in this one! Razz

Ya....like a who's who of MIA's

toomanytoyz wrote:
For a daily, you're all set. For more spirited stuff, 4.56 or 4.88. But you'll probably need an aluminum driveshaft for the last two... But you knew that already. Wink

What about that highway driving issue
Is it god awful at highway speeds.. Question
I just remember driving all the way to Newicks at 65 so Mike could hang on without going into maniac mode.. No
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V8Killer

V8Killer


Posts : 1691
Join date : 2009-03-12
Age : 52
Location : Southern, NH

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 9:34 am

boojum wrote:
What gear should I use if I was to do a T56 swap in a sedan?


I have some 4.56's if you need em Very Happy
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No Moa

No Moa


Posts : 3893
Join date : 2009-02-21
Age : 51
Location : Midcoast Maine

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyWed May 08, 2013 9:59 am

I had planned to run 373, Jason and i talked quite a bit about this, and he said with the right tune, it will be the best of both worlds with 373.

I know that caprice that i bought was running 456, and he didn't use 1 gear in the t56 at all.

I'm starting to get the itch to do this again. Damn it.
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http://www.collectorfbody.com
boojum




Posts : 2182
Join date : 2009-01-21
Age : 36
Location : NH

Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? EmptyThu May 09, 2013 12:18 am

If I take all suggestions here and from that other forum, throw out the highs and lows, and average the rest I get 4.33.

I think the tires might make the difference but I'm leaning back towards 4.56. We all make mistakes. Sad

IIRC there was a guy on that other forum that suggested that the drive line angle is critical to vibration problems. So there may be other possibilites than a new driveshaft.

Anyone know of good tire for a 15 x 9.5" rim? Has to be OK for the street and occasional rain.

Should I go T56 or 4L60E? 59Series



V8Killer wrote:
...

I have some 4.56's if you need em Very Happy

Would you trade for 4.10s?
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Should I go T56 or 4L60E? Empty
PostSubject: Re: Should I go T56 or 4L60E?   Should I go T56 or 4L60E? Empty

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