67 f100
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Junior User
Joined: Sep 2004
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From: Bristol Tn.
67 f100
I have a 67 f100 2wd that I want to install a 351w in.
I went to bone yard and bought a set of engine perches off a 79 f150 2wd that I was told had a 302.
I went to install them on my truck and the bolt holes on the top frame rail lined up but the bottom holes did not.
The bolt holes on the botom of the perchs are below the holes in the crossmember.
Has anyone ran into this before?
I have read several post that said you could use up to 79.
Even if they were for the wrong engine they should have fit on the crossmember right?
Thanks for any help.
I went to bone yard and bought a set of engine perches off a 79 f150 2wd that I was told had a 302.
I went to install them on my truck and the bolt holes on the top frame rail lined up but the bottom holes did not.
The bolt holes on the botom of the perchs are below the holes in the crossmember.
Has anyone ran into this before?
I have read several post that said you could use up to 79.
Even if they were for the wrong engine they should have fit on the crossmember right?
Thanks for any help.
Posting Guru
Joined: Nov 2003
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From: East Flat Rock NC
Sounds like you don't have them in the right holes, years ago when I was
swapping out a I-6 and installing a 351w I ended up going and looking at a
truck with a 351w in it, to double check! I have installed the frame perches
from a 79 in a 69 and the holes were already there. But if I remember right
I think that I saw somthing a post that said not all the hole were drilled! But I
have not ran into this and I have install lots of frame perches in lots of different
years of trucks 65 the holes were there and 69 there, lots 73-79s holes there.
swapping out a I-6 and installing a 351w I ended up going and looking at a
truck with a 351w in it, to double check! I have installed the frame perches
from a 79 in a 69 and the holes were already there. But if I remember right
I think that I saw somthing a post that said not all the hole were drilled! But I
have not ran into this and I have install lots of frame perches in lots of different
years of trucks 65 the holes were there and 69 there, lots 73-79s holes there.
Last edited by Pro-Street/StateTK; Jul 10, 2005 at 09:22 PM.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Robert, We can't see what you have so it will be hard to say. Pretty much everything is bolt up exchange on the frame between 65 & 79.
The 302/351W perches are a bit of a C shape as they sweep back unlike the FE/I6 perch that is straight. The holes should fit & line up.
John
The 302/351W perches are a bit of a C shape as they sweep back unlike the FE/I6 perch that is straight. The holes should fit & line up.
John
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Junior User
Joined: Sep 2004
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From: Bristol Tn.
John, the guy I bought the truck from did not use correct engine perches.
He welded them on, the 460 engine did not set in the right place.
I sold the engine and trans and bought the 351w.
I an only get 2 holes on frame rails to line up none on the crossmember.
When the holes on the frame rail is lined up the bottom holes on the perches are lower than holes on the crossmember.
He welded them on, the 460 engine did not set in the right place.
I sold the engine and trans and bought the 351w.
I an only get 2 holes on frame rails to line up none on the crossmember.
When the holes on the frame rail is lined up the bottom holes on the perches are lower than holes on the crossmember.
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Joined: Jan 2005
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I did this very swap back in March and I had to drill only one hole in the bottom of the K-member for each perch. What maybe throwing you off is that the 351W motor mounts on the block are offset from front to back and when the perches are placed in the truck it looks like they are in wrong (This has me puzzled for a little while). I have some digital pictures of the swap and I think that I have pictures of the engine bay when we put the new pedestals in. Send me a PM with your email address and I will send them to you.
Thanks,
John
Thanks,
John
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If my truck wasn't so big, I would definitely prefer a 351W over the 460 I have. Parts are cheaper, and there are more to choose from, not to mention the better mileage. I am thinking about building a '68 off-road race truck, which will be powered by a 351W.
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