Biggest Fe???
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Biggest Fe???
just wondering what the biggest fe was out there i thought that 428 was the biggest but i often hear of some 500+ci fe engines out there. well sorry i had to post a new thread for this dumb question.
thanks for humoring me LOL
thanks for humoring me LOL
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thats what i though. thank okay now the real supid question how do you go from 428 to 511ci crank rods pistons ect. im intrested in this because my dad has an old dumptruck that has a huge fe engine in it i figure that it is a 391 and was wondering if this could be mesaged into a 500+ monster in my 63? thanks for the help.
"i know enough to get me in trouble but not enough to get out of it"LOL
"i know enough to get me in trouble but not enough to get out of it"LOL
Posting Guru
Joined: Aug 2001
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From: Evanston, WY
I dont think you'll get 511 from a Ford block. If you start with a Ford 427 block your max overbore is about .030 or 4.26. I have heard of 4.31 cranks in FE blocks before, but am not sure how feasible it is. This would give you 492. Probably more likely to be a 4.25 crank and 4.26 bore for 485ci.
A Shelby block, on the other hand, can be bored to 4.44, and can run a crank as big as 4.5 with clearancing. This would give you 557ci. Most of the big FE's are going to be from about 496 to about 526 though.
-Scouder
A Shelby block, on the other hand, can be bored to 4.44, and can run a crank as big as 4.5 with clearancing. This would give you 557ci. Most of the big FE's are going to be from about 496 to about 526 though.
-Scouder
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From: Littleton, CO
...and Scouder's 511 is Shelby based (if my short term memory is on today 
)
Stay away from the 391 in the big truck, unless you have time and money to make it work for you (not much will interchange to your application).
--Mike
)Stay away from the 391 in the big truck, unless you have time and money to make it work for you (not much will interchange to your application).
--Mike
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well crap i was hopin that i would. what would that motor be good for? i assume that it is a massive tourqe monster or is it on an even keel with hp and trq. one more thing is the bell housing the same on the ft as the fe? thanks again guys yall are a hell of a group that is will to help everyone out again thaks.
Lead Driver
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From: Ohio
I think most of those "big" truck motors don't rev over about 3000 rpm. They use a tall deck block that is not interchangeable with anything. Heads/intake included.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
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Post Fiend
Joined: Jan 2003
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From: Iowa
Originally Posted by Freightrain
I think most of those "big" truck motors don't rev over about 3000 rpm. They use a tall deck block that is not interchangeable with anything. Heads/intake included.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
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heads intake no prob i already have them. why could i not just use the FT distributer?
if i cant then where would i go about geting the bushing.
with that said how much hp would i be looking at. do they come with any good internals besides forged crank like forged pistons rods or anything like that? nows all i gotta do is talk by dad out of the motor. thanks again!!!
if i cant then where would i go about geting the bushing.
with that said how much hp would i be looking at. do they come with any good internals besides forged crank like forged pistons rods or anything like that? nows all i gotta do is talk by dad out of the motor. thanks again!!!
Post Fiend
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From: Iowa
I dont know if the FT distributor had vacuum advance or not, but you'll probably want it. I think you'd have to re-spring the centrifugal advance, at the least. They also had some kind of governor setup for the carburetor; I dont know if this was tied into the distributor or not. DSC sells the bushing for $20.
The FT comes with cast dished pistons, not the best for performance usage. I'd replace 'em with forged TRW pistons, L2291's. The rods are nothing special, just your standard short rod. However, they are good rods. Basically, it's a good motor for the heavy duty block and the forged crank. However, external balancing was used with the FT 391, so keep the flywheel, and have it balanced before you put it back together.
The FT comes with cast dished pistons, not the best for performance usage. I'd replace 'em with forged TRW pistons, L2291's. The rods are nothing special, just your standard short rod. However, they are good rods. Basically, it's a good motor for the heavy duty block and the forged crank. However, external balancing was used with the FT 391, so keep the flywheel, and have it balanced before you put it back together.
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From: Tankville
I've heard something about the FE "star lifter engine" or something like that it was called... Its somewhere in the 480-500 cube range, built in 63 and broke the current land speed record
Very powerfull motor indeed!
Very powerfull motor indeed!
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low compression strong rod i think i will just throw a blower on er and let er have it. jk ;p. okay so if i change the intake and carb and the gov is hooked up to the dist. then it wont work.
does the 91 crank have the same stroke as a 390 or is it longer. i seems to be a pretty low rev engine so i just assumed it had a long stroke to it.
how well do the stock heads and the intake flow. could i just change the carb and dist and make it a trq monster.
does the 91 crank have the same stroke as a 390 or is it longer. i seems to be a pretty low rev engine so i just assumed it had a long stroke to it.
how well do the stock heads and the intake flow. could i just change the carb and dist and make it a trq monster.
Post Fiend
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From: Iowa
The 391 and the 390 have the same approximately the same stroke, the 391 is 3.79 and the 390 is 3.784. Not a big deal.
You could use the FE distributor and a different carburetor to have a torque monster. Dont plan to take it beyond about 3000rpm though, since that's about where the FT heads run out of wind. I would suggest a Crane 343971 cam to go with it if you're going that route, as it should match the FT's compression ratio well and should add torque over the old FT cam.
I wish I had some flow numbers on FT heads so I could input it into DD2k.
You could use the FE distributor and a different carburetor to have a torque monster. Dont plan to take it beyond about 3000rpm though, since that's about where the FT heads run out of wind. I would suggest a Crane 343971 cam to go with it if you're going that route, as it should match the FT's compression ratio well and should add torque over the old FT cam.
I wish I had some flow numbers on FT heads so I could input it into DD2k.
Post Fiend
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From: Missouri
Originally Posted by Freightrain
I think most of those "big" truck motors don't rev over about 3000 rpm. They use a tall deck block that is not interchangeable with anything. Heads/intake included.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
They ONLY thing good on them is the OIL PAN. Makes a nice addition to any project.
You aren't thinking of the Chevy 427 are you Larry? Shame on you!
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