And no, the plenum is gasket is not leaking, the first thing i did was look down in the throttle body and no oil!

 

Imagine that...just like mine with 140k

 

only 10hp difference between a 318 and 360

 

+1.

 

What about torque?

 

cant remember how much difference in torque but it aint enough to matter, 318 has been around since the beginning, most dependable mopar block in my book.

 

Nothing beats the almighty cubic inch.

I had a 360 in my 68 AMX......

 

you could sell your big truck and total redo the 318 lol and lift and gear it and still have $ left over

 

Its got 220hp and 300 footpounds of torque and the truck wieghs about 4400lbs which is light, and i have lots of options now having 2 trucks, but im just gonna build the 360. Personaly i think the 360 magnum is the toughest engine ever maid. Mine has 250,000 origional and iv realy abused it bad and it does not even tick. I know the 318 is internaly balenced and the 360 has a harmonic balencer, i dont know if this has any affect on performance.

 

Nope. None at all. And all engines have the harmonic balancer. Although, technically, that's a misnomer, it should be "harmonic dampner". It dampens vibrations form having this HUGE thrust every so often.... not like a turbine engine, which is constantly under power.....