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#1 |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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upgrade cost VS old overhaul
if i overhauled my TH 350 at home(with some help from a buddy) it will cost me a case of beer and around 600 for parts and fluid,
850 from a shop if i R/R myself or how much to upgrade to a 700R4 ??? so i can get better miliage at highway speeds??
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
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#2 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,615
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Re: upgrade cost VS old overhaul
Of those options I'd do the 600 and a case or three of beer.
The 700R4 is no gaurentee of better mileage. Your motor combo won't be happy chuggin down the road in o/d. |
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#3 |
Registered User
![]() Join Date: Apr 2008
Location: Sacramento, California
Posts: 62
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Re: upgrade cost VS old overhaul
I considered a tranny swap myself recently. Looked into a 700R4 swap or just a rebuild on my TH350. My 72 C20 is getting a new 350 sbc crate motor, so now was the time to think about an upgrade. The extra parts involved with the 700R4 swap and the driveline mod required (not to mention the additional stuff for the lockup torque converter) added up to more bucks. Keeping my TH350 tranny for now.
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"Two rules get you through life: If it's stuck and it's not supposed to be, WD-40 it. If it's not stuck and it's supposed to be, duct tape it." |
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#4 |
Registered User
Join Date: Jul 2013
Location: Wichita Ks
Posts: 495
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Re: upgrade cost VS old overhaul
I currently have 4spd and was looking at having a 700r4 installed.
Local shop quoted me 1600.00. That was for me to just drop the truck off and then pick it up when its done with them installing a new 700r4 trans that they supply and installing a B&M shifter.
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71 swb 350/4sp manual 5/7 static drop |
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#5 |
Registered User
Join Date: Apr 2011
Location: Klein Texas
Posts: 3,852
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Re: upgrade cost VS old overhaul
$600 is a lot of parts for a TH350
I can go down to my trans -parts place and buy everything for less than $100
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
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#6 |
Registered User
Join Date: Nov 2011
Location: topeka, ks
Posts: 616
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Re: upgrade cost VS old overhaul
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#7 |
Rusty Nuts
Join Date: Sep 2008
Location: Clever Missouri
Posts: 1,338
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Re: upgrade cost VS old overhaul
I had mine built at a local shop for 550.00 with a new torque converter. I took it out and reinstalled it though.
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(Clever Missouri) Southwest Larry Mr Chevrolet My Build, The Marathon Truck http://67-72chevytrucks.com/vboard/s...d.php?t=604414 |
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#8 | |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: upgrade cost VS old overhaul
Quote:
B&M 20416 - B&M Holeshot Torque Converters 204.97 plus a case of fluid 50 to 60 bucks so 600 was for the high side of my estimate, but for you guys that are doing it for 50 to 100 bucks in parts, does not sound to realisitic to me
__________________
Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
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#9 |
Registered User
Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,856
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Re: upgrade cost VS old overhaul
i paid $600 to have my th400 rebuilt. Didnt have to give him any beer or hang out with him.
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#10 | |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: upgrade cost VS old overhaul
Quote:
plus i work with the guy, he is pretty good, one of those 50% college engineer type and 50% hands on certified mechanic type, good guy to have in your corner.
__________________
Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
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#11 |
Registered User
Join Date: May 2013
Location: Central NC
Posts: 830
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Re: upgrade cost VS old overhaul
There are few things as rewarding as taking something apart, putting it back together, and it working like it should. Learning to fix things on your own is priceless.
However, if you drive your truck a lot, it won't take that long to make up the extra cost of an OD trans. My mileage went up from 11 mpg to 18 mpg with the addition of a 700r4. What about getting a junk yard 700r4 and fix it with your buddy? Cheaper than a "ready to install" OD trans, and you still get the experience of learning.
__________________
1972 Cheyene C-10 "Ole Green" My Grandfathers truck (early 70's to 1983) My first vehicle (1983) Original 350 (3 rebuilds) 700R4 from Bowtie Overdrives ![]() |
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#12 | |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: upgrade cost VS old overhaul
Quote:
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Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
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#13 | |
Registered User
Join Date: May 2013
Location: Central NC
Posts: 830
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Re: upgrade cost VS old overhaul
Quote:
I bought my trans through Bowtie Overdrives, I know their website has lots of technical info on it. I know it sounds like a lot, but it is really straightforward when you study it a little. Do a search on here too, lots of info can be found. I switched from a 3 on the tree so I had to obtain an "auto" crossmember, which is what you have already, your driveshaft has to be shortened. Ok...so it is a bit involved, but I would do it again anyday. Posted via Mobile Device
__________________
1972 Cheyene C-10 "Ole Green" My Grandfathers truck (early 70's to 1983) My first vehicle (1983) Original 350 (3 rebuilds) 700R4 from Bowtie Overdrives ![]() |
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#14 |
Registered User
Join Date: Jul 2011
Location: Farmville, Va
Posts: 3,026
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Re: upgrade cost VS old overhaul
Way to much money on a turbo 350. I went with 700R and I am a happy camper
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#15 |
Senior Member
![]() Join Date: Mar 2012
Location: Chesapeake, Va
Posts: 1,275
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Re: upgrade cost VS old overhaul
can i use my same crossmember and flex plate???
__________________
Mike 72 C-10 Cheyenne off frame resto and Upgraded to 4 wheel disk, Tilt, Dakota Digital Dash / Rear slider. 421 SBC / TH350 3000RPM Stall Progression Ignition /Holley 750 DP/3:73 gear Eaton Limited Slip unit / 2 1/2 exhaust glasspacks ![]() |
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#16 |
Senior Member
Join Date: Nov 2003
Location: Brookings, SD
Posts: 10,497
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Re: upgrade cost VS old overhaul
with your 3.73 gears I think a 700r4 would be a nice transmission for you.
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Some people are like slinkies, they aren't good for anything, but you can't help but smile when you see one tumble down the stairs. |
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#17 |
Senior Member
![]() Join Date: Feb 2012
Location: chillicothe, illinois
Posts: 688
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Re: upgrade cost VS old overhaul
I just had my th350 done by a trans shop for 380.00 that's parts and labor.
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