Dear Josh;

"Punch out the 261" to 278 & get even more.

The 261" is about 50 Hp.+/- more that the 235 & well worth the switch. These were used in the large trucks/buses of that era & rarely run hot because of the 'steam holes'.

John M., I.I. #3370

"There are no shortcuts to any place worth going". -Anon