Saweeet Motor.

I just picked up a 1968 Buick 400 Engine. I think I need to make my Roadmaster Powered by Buick. Off to the rebuilders,.. hopefully this doesn't break me.

If my memory serves..... that is a 350 horse, 440 lb ft HOSS of a big block..... bore that puppy out to the 455 and up the TQ to 510!!!!

They are torque monsters! Putting one in the Roadmaster would be neat, especially if it was modernized with some fuel injection.

I plan on using a MSD EFI unit. Going to be more than the motor. So this may be a 2 year plan.

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Is converting to fuel injection "worth it"?

There was nothing wrong with the carb'd version...... just find a local "old guy" to keep it running....

Probably not worth it, but dam it would be cool.

adjusting only takes a screwdriver and a glass of water.......






....... I wonder if that big block would mate to a 6 speed rower........

do it right,. MPFI

Wish I had the pockets for it.

One of my first cars was a '68 Buick Slylark Custom with a 350 and 2-spd Powerglide. I gotta say it was a fast car, even with the junk trans. Buick engines make a lot of power. Very cool!

-Mike

phantom 309 wrote:

do it right,. MPFI

Yeah! Yeah! Turbocharged, intercooled, fully sequential, port fuel injection. (Says the guy with the GN and GS400.)  

lol

dual quads and a 671 on the top, keep it old skool, lol.  Sounds like a fun build.  

I'm half ass shopping for an Olds 455 for the 91.  If one lands in my lap, time for gold paint baby!

Nice Sprocket. Once I'm done my wagon will no longer be a daily driver.

So did you do this swap yet? I have thought about doing a 400 many times but then I started reading articles like this.

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This would cost a little more but the future potential of the engine is greatly increased. For instance... I want to start out with a LQ4/6.0 van engine that has modern heads.... using a carb conversion will allow using the stock 4l60/700r4 trans that is already in the car and the stock CV throttle cable with very little modification. The real expense is the Carb, Intake and engine mounts... which will be about $1000 but after that... the car is set for the future. Little by little things can be added... things like LSx fuel injection and a 4L80e trans comes to mind... 243/799 heads, a cam and a tune would get that engine closer to 400hp/500lb-ft... which is more then that 400 can reach safely.

81X11 wrote:

One of my first cars was a '68 Buick Slylark Custom with a 350 and 2-spd Powerglide.    I gotta say it was a fast car, even with the junk trans.   Buick engines make a lot of power.   Very cool!

-Mike

Nothing wrong with that old powerglide,still being used in 2000 HP dragcars.Buick,Olds and Pontiac from that era were all torque monsters,you felt it in your backbone when the gas was stomped.That was the easiest way to get those heavy cars moving fast back then.

The MSD FI is very nice I plan on using it on an upcoming project. jeff