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BB Squarebody Garage

169 members • Free

26 contributions to BB Squarebody Garage
Build a 6.2 diesel or twin turbo first gen LT1
Hey everybody — how’s your week going so far? Just wanted to check in and catch up. We’ve had about 20 new members join in the last couple weeks, so welcome to all of you. Glad you’re here. Now for the big update… The old 6.2 diesel isn’t hurt, but it’s definitely not performing like it used to. I think it’s time to either freshen it up or change things up completely. Here’s my dilemma. I’ve always loved the 6.2. It’s reliable, simple, and cool in its own way… but let’s be honest — it’s pretty lackluster in the power department. Option 1: Pull the 6.2, tear it down, rebuild it. • Roller rockers (maybe 1.6s) • Some head work • Cummins turbo setup • Upgraded injection pump • Fluid damper By the time I’m done, I’m probably $5,000–$6,000 into it on the low end. Option 2: I already have a twin turbo kit sitting at the house for a small block 350. It needs a little work, but it’s there. I keep coming back to the idea of doing a budget twin turbo LT1 build — like a ’95 Camaro or Corvette engine. There are quite a few around here. They’re already fuel injected. I could probably build the engine itself for around $3,000–$4,000 since I’d keep it mild — maybe 5 lbs of boost, stock bottom end, aiming for around 400 horsepower. People do it all the time. But… the standalone ECU and harness setup is about $2,700. So now I’m right back in the $6,000–$7,000 range. So what do you guys think? Do I: • Refresh and upgrade the 6.2 and keep it diesel? OR • Go twin turbo small block / LT1 and make way more power? I think the twin turbo setup would be way cooler and obviously way stronger… but there’s something about keeping the diesel too. I’m still going to make my own decision, but I’d honestly like to hear your opinions. What would you do?
Build a 6.2 diesel or twin turbo first gen LT1
4 likes • 11d
Definitely twin turbo sbc!!
LS Swap
LS swap guys, did you run new fuel lines or connect to the existing hard lines?
0 likes • 14d
I’ve done both. I’m starting to lean towards stock lines and adapt either end. With tbi lines is the best/easiest also it will have a stock filter which is kinda nice!
Square body parts
Got this pickup the other day for $150! Look at the weird V6 that came with it! If anyone is looking for square body parts let me know. I’m the owner of Square Body’s of Oregon and I buy and sell square body parts. I don’t have a big variety of parts but I can find the parts if I don’t have them.
1
0
Square body parts
Leaf spring hangers
Hey everyone, I’ve got a 76 k10. I’m working on coating the frame and I noticed the leaf spring hangers are rusted through. I’m able to find the ones towards the front easy but the rears are difficult to find. I’m thinking about splurging on these custom ones from atchison tech. What’s your opinion?
Leaf spring hangers
1 like • 20d
@Junior Maci I’m not sure make me a offer.
0 likes • 19d
@Junior Maci yes
AN fittings to fuel tank?
seeing if anyone has some insight to some AN adapters to the fuel tank sender fittings. working on putting a mild built big block in my jimmy.
0 likes • 22d
If you have a tbi sending unit with metric fittings they do make adapter fittings to -6
1-10 of 26
Caleb Schartz
4
84points to level up
@caleb-schartz-3202
Just a guy building and driving square body’s Owner of Square Body’s of Oregon

Active 3d ago
Joined Nov 16, 2025
Roseburg Oregon
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