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4l60e build

 
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10sec.et
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Joined: 29 Mar 2006
Posts: 3473
Location: Houston,Texas
346658.74 points


1969 Oldsmobile Cutlass

PostPosted: Sun Oct 26, 2014 12:39 am    Post subject: 4l60e build Reply with quote

i need to build a trans for the Impala. it has to survive behind the new engine which should be in the 450hp range. i have a case and all new internals to put in it. however, its all stock parts. i need to know what should be upgraded. its just for a daily driver so nothing crazy.

something i noticed on our builds at work... at about 400rwhp, a stock 4l60 will slip on 3-4 shift at WOT. i definitely need to address that. any input would be appreciated.

oh, and whats the deal with shift kits on these? seems redundant. i can tune pressure, shift times, and torque reduction in the computer. Confused

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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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clay
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Joined: 24 Nov 2002
Posts: 3209
Location: South Carolina
318129.23 points


1972 Chevrolet Nova

PostPosted: Sun Oct 26, 2014 11:19 pm    Post subject: Reply with quote

I don't know any specifics - I've only done one 700R4. It was in my S-10 so I didn't really beef up any clutch packs or hard parts. I have used and recommend getting books by ATSG (automatic transmission service group). They do rebuild / service manuals for every specific transmission and point out problems / updates you might need to do. They're not as good as a Haynes manual as far as pictures but have much more information. If you have a Transtar located near you they should be able to sell you anything you need. They bought out Cadco which was my local parts house but luckily a lot of the same guys stayed. As far as a shift kit - I don't know how far you can go with programming vs. a physical change. Mostly they raise line pressure (which programming can do but how far can you go), increase orfice sizes feeding clutch application, shorten accumulator stroke or bypass accumulators all together. Physically you can probably take the wave plates out when you rebuild it but absolutely leave one in the forward and low / reverse clutches. Look into a Transgo "SK" kit. They're not really a shift kit but more of a fix it kit. For example on the 4R70W I did in dads 48 it added a high pressure pop off valve if the line pressure solenoid failed which I'm guessing is a known problem. It also changed a full throttle kick down so it went 4-3-2 instead of 4-2 to prevent shocking a roller clutch and causing failure. As always feel free to call and I'll be happy to share what knowledge I have. Clay
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10sec.et
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Joined: 29 Mar 2006
Posts: 3473
Location: Houston,Texas
346658.74 points


1969 Oldsmobile Cutlass

PostPosted: Sat Nov 01, 2014 10:57 am    Post subject: Reply with quote

i do have some very good books on the 4l60E. ill have to dig them out and post up the name.

as far as tuning line pressure in the computer.... i can make it shift hard enough to tear stuff up. i guess the shift kit is more common since, not everyone has the ability to tune the computer.

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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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SMOKEmUP
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Joined: 30 May 2002
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65097.54 points


1979 Chevrolet Camaro

PostPosted: Sat Nov 01, 2014 11:25 am    Post subject: Reply with quote

I need to rebuild my 4L60E as well but my plans have changed. I'm going to swap in a 4L80E instead.

However here were my 4L60 rebuild plans / parts:
* Transgo shift kit
* Sonnax Smart-Tech Input Housing Kit
* Corvette servo
* TCC P1870 valve
* Wide rear sungear bushing
* Wide rear stator support bushing
* Borg Warner Input Sprag 29 Element Dual Cage
* Standard width carbonite 2-4 band
* Sonnax 0.490 boost valve
* Sonnax HD2-3 shift valve
* Alto red friction and kolene steel. 3-4 clutch pack -Eight .067" frictions with seven .095" steels
* Drill 2nd and 3rd gear feed hole to 0.093" with new transgo separator plate.
* High rpm pump slide spring.

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Paul P
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Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Mon Nov 03, 2014 5:16 pm    Post subject: Reply with quote

Did you head out to get this yet?
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2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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SMOKEmUP
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Joined: 30 May 2002
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1979 Chevrolet Camaro

PostPosted: Mon Nov 03, 2014 5:53 pm    Post subject: Reply with quote

No, the guy didn't get back to me on Sunday about the 4L80E.
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Paul P
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Joined: 15 Aug 2002
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Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Tue Nov 04, 2014 10:24 am    Post subject: Reply with quote

Keep pressing. That seems like a good deal to me.
_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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SMOKEmUP
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Joined: 30 May 2002
Posts: 3169

65097.54 points


1979 Chevrolet Camaro

PostPosted: Thu Nov 06, 2014 9:10 am    Post subject: Reply with quote

The guy sold the 4L80E. So I might have to rebuild the 4L60E after all. I was thinking about this and I have most of the upgrade parts in my 700R4 already which is still in my 79. I should take the 4L60E out of the wrecked 2000 Camaro and rebuild that with the parts from my 700R4 and put it in the 02 Camaro.
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Stop running from your pain and embrace your pain. Your pain is going to be a part of your prize.

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Paul P
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Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Mon Nov 10, 2014 3:28 pm    Post subject: Reply with quote

I never liked the 700. I would go with the 4l80E any day if it was a newer build. Just my opinion.
_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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10sec.et
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Joined: 29 Mar 2006
Posts: 3473
Location: Houston,Texas
346658.74 points


1969 Oldsmobile Cutlass

PostPosted: Sun Apr 26, 2015 11:28 am    Post subject: Reply with quote

Smoke, have you done your 4l60 yet? i was going back over your upgrades list and i have a few different ones to mention. im still accumulating parts but im going to start posting up pics and info soon.
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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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SMOKEmUP
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Joined: 30 May 2002
Posts: 3169

65097.54 points


1979 Chevrolet Camaro

PostPosted: Wed Apr 29, 2015 4:09 pm    Post subject: Reply with quote

I haven't done anything with it yet. Still keeping my eye open for a 4L80E.
_________________
Stop running from your pain and embrace your pain. Your pain is going to be a part of your prize.

I challenge you to push yourself.
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Paul P
Member


Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Wed Jun 03, 2015 2:45 pm    Post subject: Reply with quote

I still have a box of parts for you from my 700R4 builds.
_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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10sec.et
Member


Joined: 29 Mar 2006
Posts: 3473
Location: Houston,Texas
346658.74 points


1969 Oldsmobile Cutlass

PostPosted: Fri Jun 05, 2015 11:55 pm    Post subject: Reply with quote

im about ready to post up my build. im almost finished. im waiting on my valvebody. i found a NOS AC Delco on ebay for $250. i just need to make sure everything is right before i put it on here.
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