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08-25-2024, 07:38 PM | #1 |
Registered User
Join Date: Apr 2014
Location: Tucson
Posts: 9
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Suggestions for upgrades to tow? 79 C10
Hi all, I've browsed around and seen a variety of threads and suggestions on rear end and engine/trans combos for towing. I have a 79 longbed RWD that I'm looking to upgrade for towing. It currently has a 350 in it, but I'm not sure about the trans or rear end; I'm planning on replacing the trans and rear end to suit my needs. If anyone has any suggestions for towing 6000lb, I would appreciate the input. Also, I do plan on going up mountains fairly regularly with it. Thanks in advance!
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08-26-2024, 09:04 AM | #2 |
Registered User
Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,552
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Re: Suggestions for upgrades to tow? 79 C10
Another thing to check is what rear spring setup you have. 6000lb trailer = about 600lb tongue weight. Probably want the HD spring setup.
Also check the brakes. IMO, you want the HD brakes if you are doing mountains. Going with a hitch or do you have properly rated towing bumper? |
08-26-2024, 11:13 AM | #3 |
Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,542
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Re: Suggestions for upgrades to tow? 79 C10
6 ply tires (minimum). Frame mounted receiver hitch. Trailer brake controller. HD brakes front and rear. HD rear springs. Shift kit in the transmission and a cooler. Proper gearing depending on tire size. You're going to be towing a trailer that is heavier than the truck
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08-26-2024, 11:25 AM | #4 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,646
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Re: Suggestions for upgrades to tow? 79 C10
Might consider airbag helpers...
Def add trailer brakes..
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08-26-2024, 07:52 PM | #5 |
Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,293
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Re: Suggestions for upgrades to tow? 79 C10
if you really want to go crazy get a 4L80 trans and stand alone controller i dont haul with the old stuff but i had a 2007 GMC that was bulletproof for towing ( 8000 lbs) almost 170K on it
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
08-26-2024, 08:57 PM | #6 |
Registered User
Join Date: Apr 2014
Location: Tucson
Posts: 9
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Re: Suggestions for upgrades to tow? 79 C10
Nice, thanks for the suggestions so far! I'll keep reading up to learn about the tire size and rear end ratios to get a feel for what would be 'best' given the situation.
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Yesterday, 04:23 PM | #7 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,977
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Re: Suggestions for upgrades to tow? 79 C10
I have a Squarebody CC dually ('89 w/a rebuilt TBI 454/TH400/Dana HD70 combo) & I also own a '99 3/4-ton CC short bed (efi Vortec 350/4l80e/14bolt).
They've both pulled stuff for my needs (20' steel floor open car hauler w/an occasional/usual classic vehicle load). The big-block def get the program going quicker from a stand-still but the 350 gets it done fine. Both have the HD F/R brake set-ups. Both have 4.10 gearing with ~30.5 ('99) & 31.5" ('89) rear tire heights. The '99 is def nicer w/the 4l80e/OD when doing anything on the highway. Beyond the HD brakes & OD, I'd say the best cooling system possible (big radiator, big/effective aux trans cooler, best fan set-up) to help keep temps from cooking the mechanicals. As mentioned..... Proper load rated tires. My rear tires are all load rated. I utilize LT fronts though vs D or E load rated. If I were to be hauling 'work equipment' type of loads for extended highway trips, I'd utilize load rated (8 or 10-ply) @ every position.
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Yesterday, 11:07 PM | #8 |
Registered User
Join Date: Apr 2014
Location: Tucson
Posts: 9
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Re: Suggestions for upgrades to tow? 79 C10
@SCOTI, thanks for the detailed suggestion! Glad to hear another endorsement for the 4L80e
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