Help with engine swap
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New User
Joined: Jun 2004
Posts: 15
Likes: 0
Help with engine swap
Ok I have a 78 Bronco with a 400 and a NP435 trans with a 205 transfer case.
The 400 is coming out to fix oil and exhuast leaks but it runs great.While the engine is out I need to have the trans gone thru due to a bad 3rd gear and while I'm there I am going to open uo the transfer case inspect it then reseal it(it leaks too).
I want to pump up the 400 a little maybe an intake with 4b carb new cam ,just freshen it up.It's too slow for me.But I am not convinced that I should keep the 400. Does anyone have input on the idea of swapping in a built 351w.I do not want the weight of a 460 and the 351w as you all know has a big aftermarket selection. I am just frustrated with the lack of parts for my 400.
What do you guys think,I am open for opinions! Thanks
The 400 is coming out to fix oil and exhuast leaks but it runs great.While the engine is out I need to have the trans gone thru due to a bad 3rd gear and while I'm there I am going to open uo the transfer case inspect it then reseal it(it leaks too).
I want to pump up the 400 a little maybe an intake with 4b carb new cam ,just freshen it up.It's too slow for me.But I am not convinced that I should keep the 400. Does anyone have input on the idea of swapping in a built 351w.I do not want the weight of a 460 and the 351w as you all know has a big aftermarket selection. I am just frustrated with the lack of parts for my 400.
What do you guys think,I am open for opinions! Thanks
Elder User
Joined: Apr 2004
Posts: 768
Likes: 0
From: Oromocto NB
A 460 would bolt in, a 351w would need a trans change or bell housing change if its removable. 460 wouldn be your best bet or you can cam and intake your 400, I did to my old 79 bronco and it woke it up big time. I also added a shift kit. Truck was insane.
