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So I bought my 67 Dart GT with a supposedly rebuilt 273 Hi-Po a couple of years ago. It never seemed to run right so pulled the motor and put in a 4 bbl 360 from a motor home. Was told the "professional" that rebuilt the 273 put in 60 over pistons and cammed it up. SO - I got the idea of taking...

Bought a used 360 out of a motor home a few weeks ago. Been looking at Summit Racing web site on pistons. Anybody know what the piston head volume is on a stock 360? Can't find that info anywhere.

Just bought a used 360 out of as motor home and was checking things out. The heads are casting 4027569 - noticed that it has 2 valve springs per valve. Is this normal? Went out to Rock Auto Parts and they only show single springs. Just wondering if the heads were redone when it was rebuilt and...

OK, I bought this 360 and the guy I bought it off of says one of the exahust bolts has water coming out of it if you don't tighten it down really good. I found one posting on this web site that says all small block mopars will leak water out of the exhaust manifold bolts - is this true? All I...

OK, I've read quite a bit about this and it's a bit confusing according to what web site you go to. First off, I was going to upgrade my 273 to a 318 but found a rebuilt 360 with a rebuilt 904 automatic and 2500 torque convertor. It came with no flywheel and the person I bought it off of says...

Can anybody with a 273 HiPo tell me what kind of compression readings their getting? I have a 67 273 HiPo that was supposedly rebuilt before I bought it and I only get 110psi reading on all cylinders weather warm or cold with throttle open. Supposedly it was bored 30 over and also it now has a...

I have a 67 Dart with the 273 HiPo and 904 automatic, anyone know what would be involved with swapping out the motor to a 84 318? Think the engine mounts are the same but what about the flywheel, flexplate, and exhaust manifolds or any other items??? Found a 84 318 engine someone wants to sell...

Doing some planning for my 67 Dart GT Auto with 273 HiPo down the line. Currently has 2" dual exhaust with stock manifolds. With this small of a motor can I get any extra HP with some other type exhaust manifold or headers? From what I have read I'm a bit confused on the different stock...

Got a 67 Dart GT 6 months ago with the 273 Hipo that was supposedly rebuilt with hydraulic cam installed. Also has the Mopar electronic distributor. Anyway, tried timing and the timing jumps around some. I pulled the distributor and noticed I have some slop between the distributor gear and the...