Question about frame strength
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Elder User
Joined: Feb 2011
Posts: 633
Likes: 1
From: Grande Prairie, Alberta
Question about frame strength
I am planning on a 521 stroker for my 2 wd shortbox, I'm shooting for somewhere around 550 hp.
What will a stock F100 frame handle?
Who out there is running something like this and have you seen any problems? I would rather know now before getting everything powder coated.
What will a stock F100 frame handle?
Who out there is running something like this and have you seen any problems? I would rather know now before getting everything powder coated.
Posting Guru
Joined: Oct 2007
Posts: 1,069
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as the frames are all alike in the front [2wd] s/b no problems in my 78 f250 with the 502 stroker i had to chain the drivers side [1 on the bell houseing 1 on the front head] as the tork from this motor will rip the motor mounts apart done it once on me i all most had an out line of my air cleaner in the hood other than that no problems
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,247
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From: S/W Missouri, Polk county
I would say with a short bed and 2wd you should be ok, are you planning on any axle to frame mounted traction devices?
Even with I think you will be ok frame wise, and yes on the back up short leash chain trick for the eng.
Even with I think you will be ok frame wise, and yes on the back up short leash chain trick for the eng.
Posting Guru
Joined: Oct 2007
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my engine will brake the tires free in 2ng gear at 20mph a buddy of mine wanted to try me out with his new ram/hemi pickup beat him so bad he woudnt talk to me for a week [he hates fords] so that was even sweeter
Post Fiend
Joined: Jan 2006
Posts: 5,037
Likes: 9
From: Kasson, Minnesota
You won't have to worry too much with the frame. The front may sag a bit more from the added weight in which you could upgrade the front coils. 521 in a Shortbox would be awesome.
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Elder User
Joined: Feb 2011
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From: Grande Prairie, Alberta
Thanks guys, I knew you would come through.
As far as the sag in the front, I am counting on it. I have drop beams in the front and the extra weight sould just put the final touch on it.
I am going to run some type of traction device in the back but I'm not sure what. Any advice there? I am going to put in a locker to aid in the launch.
As far as the sag in the front, I am counting on it. I have drop beams in the front and the extra weight sould just put the final touch on it.
I am going to run some type of traction device in the back but I'm not sure what. Any advice there? I am going to put in a locker to aid in the launch.
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Post Fiend
Joined: Dec 2007
Posts: 8,521
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From: Lost
Clean and inspect the frame around the steering gear mounting bolts. If no signs of cracks are found, you should be good to go. These frames can tend to crack at this location due to stress from power steering and/or wide tires. That is the only "weak link" I am aware of, and it's fairly rare.
Moderator & parts slinger
Joined: Feb 2007
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From: S/W Missouri, Polk county
Better improve the 9" axles
http://www.google.com/url?sa=t&rct=j...7mC9E7dS4AwcQQ)
And talk to (Randy's Ring & Pinion) about the rest.
Do not have a traction device recommendation sorry, but sounds like you better use something other wise you rear leafs will be S shaped on launch.
And that equals R&P/drive shaft u joint bad angle ='s boom.
http://www.google.com/url?sa=t&rct=j...7mC9E7dS4AwcQQ)
And talk to (Randy's Ring & Pinion) about the rest.
Do not have a traction device recommendation sorry, but sounds like you better use something other wise you rear leafs will be S shaped on launch.
And that equals R&P/drive shaft u joint bad angle ='s boom.
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