351-400
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Junior User
Joined: May 2004
Posts: 66
Likes: 0
From: Idaho Panhandle
351-400
Dont know if this has been asked or not but. Can you change a 351M into a 400? If so whats involved and would I be better off getting a 440 block? The truck is a 78 4x4 with edlbrock manifold and carb.
Thanks,
Bob
Thanks,
Bob
Last edited by Torque1st; Mar 19, 2005 at 06:27 PM.
Freshman User
Joined: Jan 2005
Posts: 33
Likes: 0
From: Stephens City, VA
All that is required is a crank change. You can get one on ebay right now for $50.00, or you can trade yours for a crank kit with bearings from advance for $ 170.00.
Much cheaper and easier than a big block swap!
oops, im still asleep, you need to replace the pistons too. Another 60 to 150 bucks for those. still cheap in comparison.
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Much cheaper and easier than a big block swap!
oops, im still asleep, you need to replace the pistons too. Another 60 to 150 bucks for those. still cheap in comparison.
-EDIT- Users have up to an hour to edit their own posts and 10 minutes to edit the title after posting. Please use the edit function. -Admin
Last edited by Torque1st; Mar 19, 2005 at 06:26 PM.
Cargo Master
Joined: Dec 2004
Posts: 2,232
Likes: 3
From: NE Texas
If you bother doing this, consider using the Badger flat top pistons. This way you can add the badly needed compression that a stock 400 lacks. I rebuilt mine 8 years ago and these pistons were not available to my knowledge at that time. I know the engine would be much stronger had I done that.
Good luck,
Doc
Good luck,
Doc
New User
Joined: Mar 2005
Posts: 14
Likes: 0
351-400
I have a 78 bronco.It came with a 351M witch I blew a head gasket on. So I took a 351M block and heads, 400 crank, had it bored, line bored, heads done over, added an edelbroke intake and carb, with a low end cam. I could not believe the power out of it. It came out to be 402 cid.
