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01-05-2008, 03:55 PM
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#1 |
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still buypickupparts
Join Date: Sep 2003
Location: charlotte
Posts: 637
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the 700R4
there is a servo upgade for the tranny, has anyone relaced theirs and how much changes did you do, is it worth the Money? I have a LT1 almost ready to fire up only roughly $700.00 more into the motor this includes buying a battery,MAf sensor,mufflers, reprogram computor,A/C lines, A/C condensor,power steering hose,a few bucks of bolts and what ever comes up I forgot at this point to fire it up but Im curiuos about changing the servo in the 700 behind the LT1,
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Its Gonna be a Great Day, I woke up this Morning. 72 SWB Fleetside freshly painted. putting a 94 LT1 with 700R4 tranny lowered 4 in the front 6 in the back 81 chevy half ton 350 89 Silverado 4x4 going ta church truck |
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01-05-2008, 07:12 PM
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#2 |
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Registered User
Join Date: Feb 2006
Location: San Diego
Posts: 631
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Re: the 700R4
I put Corvette servos in mine. It works great. But I also upgraded everything else in it.
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01-06-2008, 02:18 AM
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#3 |
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Parts and more parts
Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
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Re: the 700R4
I have put the upgraded servos, sonex valves, hardened valve body parts, heavy duty planetary, larger clutch packs, and upgraded sun gears in mine. The difference in the tranny is NIGHT AND DAY. I like the hard shift and the quick response in it.
Last edited by piecesparts; 01-06-2008 at 02:40 PM. |
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01-06-2008, 02:19 AM
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#4 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: the 700R4
As stated above. Replaced mine along with other upgrades. Easy to do also. Here's a link where I got all my parts. Great prices and fast shipping....
http://www.bulkpart.com/Merchant2/me...T&Store_Code=2
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1997 GMC Sierra Ext 1965 Mustang |
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01-06-2008, 03:01 AM
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#5 |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,253
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Re: the 700R4
Would one of you guys that went through a 700r4 want to post a build thread? Maybe point out what parts to purchase and replace, etc.?
How had can it be to do a decent rebuild on an auto? I'd really like to try this. Looking at the link 70GMCer posted, they sell books describing the break down and reassembly. I guess I'd rather buy a $20 book, invest some time, and do one or two myself than keep paying the rebuild guy $350 - $1000. Anybody?
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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01-06-2008, 03:55 AM
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#6 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: the 700R4
I had the transmission shop upgrade the 700-R4 in the 71 and it has close to 130,000 on it now without the first problem. I also run the internal and a external cooler on it.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71  Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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