351w install in 65 f100

[ethan_lanning]

i am installing a 351w into my 65 f100...i recently bought the motor perches out of a 66 with a 302 and as far as i know the 351w should bolt up the same but what im not sure about is where to bolt the motor perches at on my 65?it orignally came with a 352...so do i just bolt the 302 perches where the 352 perches where or do i have to drill new holes?also there seems to be two diffrent bolt patterns on the crossmember for the perches...is that factory?

[cosmo]

I asked the same question last year.
this is what aeromech wrote me(note the i-6 used same perches as 352)
"I removed the I-6 mount bolts and 3 of the 4 holes on each lined up with the V-8 perch holes so I only had to drill one hole for each perch in the frame crossmember to bolt them in with 4 bolts each. I did have to slightly enlarge the slotted pear shape hole on the upper end of the perchs for the rubber motor mount bolts to properly align the engine (output drive shaft of the transmission in alignment with the input flange of the rear axle) after I installed the engine/transmission in the truck."

Bottom line it worked just as he said it would , i bought 302/351 perches from tom and only had to drill two new holes....

[ethan_lanning]

Thanks