The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 10-26-2011, 09:35 PM   #1
Yooper truck
Registered User
 
Yooper truck's Avatar
 
Join Date: Nov 2009
Location: Rudyard, Michigan
Posts: 125
transmission question 350 Turbo or 700R

My 71 Chevy Pickup has a 350 Turbo transmission. It slips a little when it is cold, but otherwise is fine. I am planning on changing the fluid and filter to see if that cures the slipping. Mileage on the transmission is unknown.

I have 700R transmission in an 84 suburban I am junking.

If I was to have either transmission rebuilt, which would be the better choice? (I am looking for a cruiser, not a hot rod)

Would I get any improvement in gas mileage with the 700R having the overdrive?

If it is better to keep the 350 Turbo, then is the 700R worth taking out to sell separately while scrapping the rest of the vehicle?

Thanks for any advice.... I have been mulling this over and need input from others.
Yooper truck is offline   Reply With Quote
Old 10-26-2011, 09:41 PM   #2
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,624
Re: transmission question 350 Turbo or 700R

There have been a lot of threads regarding this same topic. Things to consider. tire size, gear ratio, type of driving, engine horsepower (determines the level of build). Personally I would look for a newer 700 than the '84. The 84 will require quite a few upgrades to make it reliable so you don't have to pull it out in a couple of years.
kwmech is offline   Reply With Quote
Old 10-26-2011, 10:45 PM   #3
haulnrat
Registered User
 
haulnrat's Avatar
 
Join Date: Oct 2005
Location: Iowa
Posts: 136
Re: transmission question 350 Turbo or 700R

Keep it simple, rebuild the TH350. I have a '72 'burb with a 3.73 700r4 and a '72 cheynne with a 3.07 TH350. I almost prefer the 3.07's and TH350.

The burb originaly had a 3 spd. manual and 3.07's. If I were to do it over I would have just swapped in a TH350.
haulnrat is offline   Reply With Quote
Old 10-27-2011, 02:32 AM   #4
HeavyD
Senior Member
 
HeavyD's Avatar
 
Join Date: Sep 2004
Location: Wakaw, Sask, Canada
Posts: 3,180
Re: transmission question 350 Turbo or 700R

^ Almost prefer a th350 and 3.07 combo? Interesting comment, I am curious as to the answer. Th350 is certainly a cheaper build..but is there something about the driveability that is lacking with the 700?
__________________
"You can take the man out of PA, but you can't take PA out of the man"
HeavyD is offline   Reply With Quote
Reply

Bookmarks

Tags
transmission swap

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 01:22 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com