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Username Post: Manual transmission for LS swap        (Topic#366021)
Jonesjoshua107 
Newbie
Posts: 1

Reg: 08-05-21
08-05-21 07:42 AM - Post#2824543    

New here! Long time lurker but i need help/advice.
Im doing my first LS swap in my 77' c10. I want to do a manual transmission swap and i want to know if i can use a T56 or do i need to use the T56 Magnum. Im not planning on making crazy horsepower, and am not sure how complicated it is to do and cant find much info out there on doing it. Any help would be greatly appreciated! Thanks in advance!



 


gchemist 
Member #271 Senior Chevytalk Moderator
Posts: 25520
gchemist
Age: 51
Loc: Austin, TX 78748
Reg: 05-09-00
08-06-21 04:50 AM - Post#2824619    
    In response to Jonesjoshua107

Welcome to the site.
My knowledge on a T56 is basically google university. :shifty :
Is the LS harness going to be tailored for a manual transmission? A more common swap is an NV3500 or NV4500. What is rear axle ratio? What is your target RPMs for highway use?


For better responses, I'll move your post to the performance section. Tri-Five and other car forums have done LS/T56 swaps.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles
'08 GMC Acadia 3.6L SLE


 
65_Impala 
Very Senior Member
Posts: 4788

Reg: 12-29-02
08-06-21 05:59 PM - Post#2824663    
    In response to Jonesjoshua107

Any LS T56 would work, except Corvette ones.



 
2plus2 
Member
Posts: 1276

Loc: Mission,BC
Reg: 02-03-05
08-07-21 08:29 AM - Post#2824683    
    In response to Jonesjoshua107

Stockish hp a t56 will be fine just make sure to re gear the rear end,most t56 truck swaps people run 4.56s

A nv3500 will not like any sort of power,I blew mine up behind a stock 4.8 and there is a reason why gm didnt put them behind a 5.3

A nv4500 is great for towing or offroading,around town I hate mine

69 Canadian Pontiac 2+2 Convertible
Factory L48 350 Chev,TH350,PW,PT
99 Silverado RCLB 4.8 NV4500 14BSF 4.10's locker 6" Procomp 35'S
07 Town Car Loaded,Tinted,Getting Bagged


 


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