4.3 engine

Hi, wonderful forum this place is so active! I have discovered an oil leak on the rear of my engine and I’m not sure what to make of it. It seems like the pan is warped maybe from the block? I would greatly appreciate some assistance as I don’t want to drop this pan if I don’t have to. I would...

My 1989 s10 blazer keeps cutting out I’ve rebuilt the trottle body I’ve replaced a bunch of parts and i am still having this issue all the time when I fire it up it idles perfect. But once I put it into drive and start to give it some gas it will cut out or some time bogg down real low then...

I was going down the highway going well, way to fast, and then out of nowhere i saw a cloud of smoke behind me and my engine temp shot up. Pulled over and put water in the radiator, and it just pours out onto the ground. Got the car on jacks and found where the giant hole is. There's like an...

Anyone know what exhaust headers will fot the first gen 4.3l and just bolt right in? Not sure if they make one's that will fit to where the stock exhaust is.

I’m planning to buy another 4.3l v6 non-vortec for my 91 s10. I’m going to put a new cam, pistons, connecting rods and a TorqMaster SuperCharger since all the bolt patterns are the same. Maybe 50 shot of NOS in the future. How do I make sure the new engine is the same as the old engine? Meaning...