700r4 and shift kits - The 1947 - Present Chevrolet & GMC Truck Message Board Network

skokie · 08-01-2006, 12:20 AM

Someone told me once not toput a shift kit in a 700r4. Says that it can mess up the over drive. Is there any truth to this?

Thanks

**passthebuck** · 08-01-2006, 01:13 AM

Mine is shift-kitted to high noon & overdrive is still like it should be.....Works a-ok.

blaserman · 08-01-2006, 01:19 AM

Wehn I had mine rebuilt they installed a shift kit and I never had any problems with it. Ran great.

72MARIO · 08-01-2006, 07:58 AM

Here is what happned to mine with a shift kit installed. Do yourself a favor save your self some money on the rebuild and just put a good ol 3 speed back in.

blaserman · 08-01-2006, 08:50 AM

I ran mine for over 6 years including some rugged off roading and never had any problems. Maybe something was wrong with the kit. I do not know the type of kit that was installed, my friend that rebuilt the tranny installed it. I guess it is like any part you get some times you get a bad one.

Myself · 08-01-2006, 10:25 AM

Quote:

Originally Posted by 72MARIO

Here is what happned to mine with a shift kit installed. Do yourself a favor save your self some money on the rebuild and just put a good ol 3 speed back in.

I have never seen an automatic trans grenaded like that before! Definately a hard part failure or other cause. A properly installed shift kit, in an otherwise good transmission will help the trans. last longer.

**John Fabris** · 08-01-2006, 10:40 AM

I have a stage 1 shift kit and a corvette servo in my 700r4 and I am not having any troubles. I am running about 300 hp.

**VetteVet** · 08-01-2006, 11:51 AM

I like this explanation about shift kits in the 700r4.
http://www.technicalevolution.com/niceshft.htm

08-01-2006, 12:20 AM	#1
skokie Registered User Join Date: Oct 2003 Location: San Jose Ca. Posts: 3,354	700r4 and shift kits Someone told me once not toput a shift kit in a 700r4. Says that it can mess up the over drive. Is there any truth to this? Thanks __________________ RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234

08-01-2006, 01:13 AM	#2
passthebuck Sisyphus was my mentor! Join Date: Sep 2002 Location: Carleton Place, Ontario CANADA Posts: 984	Re: 700r4 and shift kits Mine is shift-kitted to high noon & overdrive is still like it should be.....Works a-ok. __________________ passthebuck #5642 -TWO 1967 GMC 910's. One with L6/3-on-the tree and the other with 355 w/435hp & a 700r4. -a 2013 Honda Civic as my "sensible" car

08-01-2006, 01:19 AM	#3
blaserman Senior Member Join Date: Nov 2004 Location: glen burnie md Posts: 447	Re: 700r4 and shift kits Wehn I had mine rebuilt they installed a shift kit and I never had any problems with it. Ran great. __________________ This is my best friend

08-01-2006, 07:58 AM	#4
72MARIO Registered User Join Date: Nov 2000 Location: Huntsville Ontario Canada Posts: 4,051	Re: 700r4 and shift kits Here is what happned to mine with a shift kit installed. Do yourself a favor save your self some money on the rebuild and just put a good ol 3 speed back in. Attached Images __________________ 1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD

08-01-2006, 08:50 AM	#5
blaserman Senior Member Join Date: Nov 2004 Location: glen burnie md Posts: 447	Re: 700r4 and shift kits I ran mine for over 6 years including some rugged off roading and never had any problems. Maybe something was wrong with the kit. I do not know the type of kit that was installed, my friend that rebuilt the tranny installed it. I guess it is like any part you get some times you get a bad one. __________________ This is my best friend

08-01-2006, 10:40 AM	#7
John Fabris TOTY 2006 Join Date: Dec 1999 Location: Magalia CA USA Posts: 2,270	Re: 700r4 and shift kits I have a stage 1 shift kit and a corvette servo in my 700r4 and I am not having any troubles. I am running about 300 hp. __________________ John Fabris 67 C10 SWB

08-01-2006, 11:51 AM	#8
VetteVet Msgt USAF Ret Join Date: Jan 2005 Location: Kalamazoo, Michigan Posts: 8,718	Re: 700r4 and shift kits I like this explanation about shift kits in the 700r4. http://www.technicalevolution.com/niceshft.htm __________________ VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative.

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