Engine Swap Question

[farmtruckman]

Thinking of swapping out my tired 400 ci in my 72 F100 4x4 SWB. Have eyes on a 302. My question is: will the 302 mate to the C6? Or am I stuck looking for big blocks? Power not an issue since truck will be more of a daily driver/looker with minimal off road. Opinions more than welcome.

[BobbyFord]

400 didn't come in a 72 so I'm assuming it's a transplant. 302 will not bolt up to the same trans as a 400.
351C, 429 and 460 will bolt up to a 400 type C6.

[tybob81]

a 351c has the same bell housing as a windsor. 351m/400m and 429/460 are the same bell housing

[BobbyFord]

a 351c has the same bell housing as a windsor. 351m/400m and 429/460 are the same bell housing

Really? Cleveland is the same as a small block? I'll be damned. Are you sure?

[tybob81]

Back in the early 70's ford like to use either the 351w and the 351c in the big cars. I guess thats why they made them with the same pattern. So if they were low on 351c they could use a 351w and they were rated at the same hp.

[BobbyFord]

Thanks for setting me straight

[tybob81]

No prob. I just wanted to make it clear just in case farmtruckman finds a 351c and tries to bolt it up and its different. If it has a 400 already in it swaping the mounts and going 429/460 would be the meaner way to go. Hard to beat a big block ford!

[fordman]

confirmed. 351 c and w are the same as 302 300 and 240 bolt patterns.

[farmtruckman]

all of you guys are great.Thanks for the info. Yeh, 429s would be awesome but I think I'll let my kid have this eventually, so the 351 sounds a little tamer.

Thanks again.

FTM

[tybob81]

It shouldn'tbe to hard to make the 400 you have a stout engine. The 351m/400m were smog dogs, but take well to cam and intake swap. If you were to redo the 400 make sure that you upgrade the oiling system as they are know for weak oiling. Also a set of aussie 2v cleavland heads would make that 400 wake up and run like a big dog.

[BMP_SYD]

Don't mean to thread jack.. but, i have a 302 with a c4 and want to swap in a 460 with a c6.. but my drive shaft for the c4 is brand new.. can i mate the c4 to the 460 so i can use my new drive shaft? If i have to use the c6 i will, but it also slips pretty good, would rather use my good c4 with my new shaft.. Thanks! (the 460/c6 combo is out of a 79 f250 long bed, i would have to get a shaft made.. boo that)

[fordman]

as far as the 351m going being able to bolt on to the small block pattern. it can be done on some blocks. i did forget to add this. some of the 351m blocks have two bolt bosses. and can be drilled out for the small block pattern.

as for the c4 and driveshaft thing. if both the c4 and c6 have the same slip yoke trans you might be able to reuse the driveshaft if the length comes out the same. the c4 is kind of a small transmission to be using behind a 460. its not really made to handle that kind of power. the 302 bellhousing bolt pattern and the 460 bolt pattern are different. so you would have to find a 460 bellhousing patternt to fit the 460 pattern. which i dont think they ever made. but they may have. since the 460 and 302 have the engine perches in the same place in the forward holes. i would measure each transmission from the front to the back and see if they are the same lenght for the driveshaft to fit. or use the driveshaft out of the donor truck.

[cep62]

They did make a big block bellhousing for a C4,I think they were for mid size cars with a 351M in the 70's.

[tybob81]

I have seen 460/c4 combos in foxbody mustangs at the strip. I bet thats were they got the trans out of(mid 70's mid size cars). That or they bought an expensive race trans with that bell housing.

[BMP_SYD]

hmm.. okay, that gives me a few options to think about.. thanks