Yeah,"TONS Of Fun"!! 3/4,('58 IHC 1200 4X4,with Silver Diamond engine, '48 KB 5 cab and front clip),1-ton '48 IHC KB3,and 2-Ton "'Tater"! Wowee!! The "New" owner isn't too happy,right now. The 261 is TOAST!! I recently changed the oil. I always added zdd additive,plus i used Valvoline Z5W50 Racing oil,as suggested by many. This time,I used plain Valvoline 10W40. I was driving it to the "New Owner's place,and it developed a rod knock. Before I could get it pulled over,the engine locked-up,skidding the rear tires to a halt! I'll bet the crank's SHOT!! we plan on pulling the pan,and inspect the damage.I found a small chamber 327,out of a 64 2-ton,that should be an easy swap,since the bell housing should bolt right up to the SM420.Check out the "Swap Meet Section,for 261 parts! THANKS!!
Last edited by wetwilly5757; 04/24/2015 10:22 PM.