240 to 360 swap

Post by **FORDification** » Sun Apr 18, 2010 8:04 am

The frame and crossmember will be drilled for the perches that support every engine that was available when the frame was manufactured. Since both the I6 and the FE were available when your truck was manufactured, all necessary mounting holes will be in place. Yes, you will have to move them to a different set of holes, but all holes are already there for you. No drilling required whatsoever. Whoever told you that you'd have to drill holes anywhere to mount an I6/FE perch is wrong.

The only time you'll have to drill new holes is when mounting a small-block with the correct small-block perches into a early-'69 and earlier frame. Since the 302 wasn't available until mid-'69, frames that were manufactured prior to that are not drilled for it, though all frames manufactured since mid-'69 do have the correct small-block perch mounting holes.

Hope that clears things up.

fordboy69 · Post by **fordboy69** » Sun Apr 18, 2010 8:36 am

So my 360 will bolt in perfectly on the I6 mounts, and the I6 mounts are identical to the 360 mounts and they use the same mounting holes. Is that right?

Post by **FORDification** » Sun Apr 18, 2010 9:00 am

fordboy69 wrote:So my 360 will bolt in perfectly on the I6 mounts, and the I6 mounts are identical to the 360 mounts...

Yes...they're the exact same piece. Same part number.

fordboy69 wrote:...and they use the same mounting holes. Is that right?

No! You WILL have to move them to a different set of pre-existing holes.

Dragon · Post by **Dragon** » Sun Apr 18, 2010 12:01 pm

Go to Fordification.com technical and scroll down to perches.

fomocoguy · Post by **fomocoguy** » Sun Apr 18, 2010 3:27 pm

Good information for sure. Thanks guys!

fordboy69 · Post by **fordboy69** » Fri Apr 23, 2010 11:39 am

So when I put in my 360 I'll use my 360 mounts and put them in a different set of pre-existing holes. It doesn't say anything about different holes for different mounts in the tech section.

fordman · Post by **fordman** » Fri Apr 23, 2010 12:30 pm

sure it does. its one of the first few lines. the fe perches sit in the rear set of holes.

fordboy69 · Post by **fordboy69** » Fri Apr 23, 2010 1:51 pm

Ahh so use my 360FE perches and put the perches in the rear set of holes and drop er in.

fordman · Post by **fordman** » Fri Apr 23, 2010 2:37 pm

yes if you have a saginaw power steering box use the perches to match the box. if nto just use the l6/fe perches that you have.

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240 to 360 swap

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