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-   -   what engine / trans combo do you have? (https://67-72chevytrucks.com/vboard/showthread.php?t=859479)

elorenzof 06-30-2025 06:02 PM

what engine / trans combo do you have?
 
Getting ready to start a new build. Unsure of what engine and trans to go with. what are you running and are you happy with it? Im thinking an LQ4-LQ9 with 4l60E but im open for options. I have a 1974 GMC Jimmy that im getting ready to tear down and rebuild It does have the original sbc in it but i'd like something better for a daily driver type

Lorenzo

aotte1 07-01-2025 11:12 PM

Re: what engine / trans combo do you have?
 
86 K10 Silverado short bed fleet; GM Performance 350 HO333 HP With nice built 700R4 transmission, 4:10 gears and Eaton posi. 33x10.50x15 tires 8” steelies front, 12” back. Drives very nice, very slightest throttle and it chirps tires into second. Does have SS headers and 2.5” exhaust tucked up above frame rails. ( lot of fabrication left side getting around trans). Early 90s serpentine belt set up, nice cold AC. For me super nice SBC set up.

rodstored-72 07-02-2025 03:21 PM

Re: what engine / trans combo do you have?
 
'86 C10 SWB with 2011 suburban 5.3 & 2013 4L60E mostly stock. happy with the setup & it is driven daily here on the "east" side. i have 3:73 yokon gears. build is on here.

Ziegelsteinfaust 07-09-2025 03:52 AM

Re: what engine / trans combo do you have?
 
I have a Gen2 LT1 with 10-1 compression, Corvette cam, and a 1904 Edelbrock Quadrajet. Backed by a non lock up Th700r4.

Mike80D 07-13-2025 04:04 PM

Re: what engine / trans combo do you have?
 
I replaced my blown up 305 with a L48 350 pulled from a low mile C3 Corvette that got the LS treatment.

cdub2010 07-22-2025 08:32 PM

Re: what engine / trans combo do you have?
 
77 k25 swapped with a stock 5.3l with 4l80e 241c 4.11 gears. I love this for daily work truck use, no issues with hot summer or freezing winter temps or sitting 3+ months fires up and goes.

1957 Chief 07-25-2025 01:33 PM

Re: what engine / trans combo do you have?
 
1986 C10 with a 416LS/T56 w/3.50 gears in a 9 inch. Its raced a lot.
Also have a 1984 with an LT4/4L80 with a 3.73 gears in a 12 bolt. It's a daily.

Bubba

65chevysub 07-25-2025 07:48 PM

Re: what engine / trans combo do you have?
 
84 Sierra C2500 with a blown TBI 350, and TH400. Got screwed on this engine after the guy said it was a good one. Blew a head gasket and threw a rod within 5 minutes of each other less than 24 hours after he installed it. Unfortunately he won't fix the problem

rdc72 07-29-2025 09:52 AM

Re: what engine / trans combo do you have?
 
My 83 has an LQ4/4L60E, headers, Truck Norris Cam, new springs, seals, rocker arms, with Holley terminator X Max controlling it. It is really good, the pull it has is amazing, not a race truck, but a fun get down the road truck. The 4l60e has great gearing for low end torque, and highway cruising if built by a quality trans dude, they hold up just fine, but I am not at the track laying rubber every weekend either.

MJN 07-29-2025 03:32 PM

Re: what engine / trans combo do you have?
 
My '74 K20 has the original 350/SM465/NP205, its simple and reliable. Its not a rocket ship but it does pickup truck things and will cruise in the left lane without an issue.

Pontiac1976 07-29-2025 09:25 PM

Re: what engine / trans combo do you have?
 
Well your trans set up would be pretty nice. I have TH350 rebuilt now going to put a 700R4. Finnish the work on the truck.


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