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Discussion Starter #1
I'm want to build a 4runner solid front axle.
I have heard the 86 and up frames are stronger.
Is this true? if so where are they weak or bend?
Should I use a 85 and weld on reinforcements on frame
or 86 and cut ifs?

Thanks <IMG SRC="smilies/rolleyes.gif" border="0">
<IMG SRC="smilies/usa.gif" border="0"> <IMG SRC="smilies/usa.gif" border="0">
 

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havent heard much about that strength difference, and i have friends with both, never seen frame problems myself(ymmv). one thing to think about is that the solid axle frames have a higher arch for the front axle to travel upwards into. some SAS toys find it necessary to notch the frame to allow the drag link travel past the frame rail(instead of hit the bottom), but i've never had much problem with this. also, a newer ifs frame is already set up for the ifs steering box, and this is kinda a pain in the ass(but not too bad) on earlier frames. just some things to consider......brad <IMG SRC="smilies/beer.gif" border="0">
 

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Discussion Starter #4
It's quite a jugle, 85 frame gives you this but 86 does that . I know.
I will be using the hy steer with drag link between Frame and spring.
It would be allot less work to use an 85 but I have been searching for a 85 runner and not allot of luck.
 

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i have an 85' the frame does not flex. i have a friend with an chevy and the frame twists like silly puddy! <IMG SRC="smilies/clown.gif" border="0">
 

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Everything they said plus with the IFS you'll get the wider rear. The the front spring hangers on 85 and older do tend to crack at the frame under hard use. It's not a reason not to buy one though. I would buy what ever I could find a better deal on but it would have to atleast have EFI and a/c.
 

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In investigating all the styles of frames to build replacements, I have cut open several of them. I can see no differences in them, tho they may exist and I missed them. Like someone said, the arch is different up front. It does seem that in the rust belt, the IFS frames tend to rust up front, near where you would drill for rear spring hangers. Never seen this there on a solid axle frame. Just something to watch for, if rust is an issue near you.
 

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The later frames are thicker metal. But personally, I would take a pre IFS frame because they have a higher mold in the front to accomodate the solid axle. IFS frames are lower above where the axle will sit.
 

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Not to challenge you Chad, but I have not seen that the newer frames are thicker. I have miked both and the outer rails are thicker than the inner but no difference between years. Are you sure?
 

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Discussion Starter #11
THANKS <IMG SRC="smilies/biggrin.gif" border="0"> Everybody !

I new about the front frame clearence.
The rear will have a 2nd gen. wide axle V-6 3rd mem.
The motor will be a 4.3 EFI Chev connected to TH350 then marlins ultmate and locked 4:10's with 36's, hy steer, etc. etc.


Now I just need the Runner

Any other idea's comments welcome
 

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I don't know about frames, but I saw a $600 85 Toyota 2wd in the SF Chronicle classifieds. If 2wd frames are the same, maybe this would be a good starting point. and good for some engine/body parts if needed.
 

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<font color="yellow">
Something to remember is that while Toyota did not offer Soild axles in the post-85 years here, they did offer them everywhere else.


So the IFS frame is definitely up to the stres of having a spring hanger way out there at the end. Usually when someone does an SAS to a Chevy, they have to reinforce the frame up there, since they weren't designed for that.

I think it's funny that the
got the C-channel, crappy, flexy frame, while Toyotas got the fully-boxed, rigid-as-hell frame.

I don't think it really matters which frame you use. I may have gotten hassled for having IFS
but never for having a weak frame.

I know no one was debating that either frame was WEAK - just which one was stronger. Personally, I don't think it really matters.</font>

<font color="red"> Bud, how are you getting around the differences in frame shape for the IFS/Solid Axle years with your frames? Or are you offering just the soild axle flavor?</font>
 

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Discussion Starter #14
Thanks Marco on the lead on 4rnr!!
that is cheap.

-----Master YOta---------
Your question: Bud, how are you getting around the differences in frame shape for the IFS/Solid Axle years with your frames? Or are you offering just the soild axle flavor?
I don't quit understand what the ? is.
 

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Originally posted by Toyotaboy:
<STRONG>I don't quit understand what the ? is.</STRONG>
<font color="yellow">My question involved the difference between the Solid axle and IFS frames. I was wondering if he was going to:
  • Making a frame that fith both
  • Making 2 different frames.
  • Making only the solid axle frame.
Go to
Budbuilt.com for more info.</font>
 

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<font color="yellow">
Never mind... took my own advice, and saw that he is offering only the solid axle frames.

New question: Is your frame a bolt-on proposition for IFS bodies, or does it require modifications?</font>
 

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Sorry for the delay in answering:
yes only solid axle, and it will bolt onto both body types. <IMG SRC="smilies/smile.gif" border="0"> The arch on mine is even extended further forward, and as high as a stock solid axle truck. This will allow for the front axle to be moved forward and for excellant hi steer clearance on the frame! :} I'm hoping to run 37s or 38s, with only about 3-4" of lift. <IMG SRC="smilies/smile.gif" border="0"> We'll see, next month...
 

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It does seem that in the rust belt, the IFS frames tend to rust up front, near where you would drill for rear spring hangers. Never seen this there on a solid axle frame.


This is exactly where my 83 frame is rusting at.Heard there is a great framebuilder somewhere in N.Y who could build me a new one!! <IMG SRC="smilies/bounce.gif" border="0"> <IMG SRC="smilies/bounce2.gif" border="0">
 

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Originally posted by PJR:
<STRONG>It does seem that in the rust belt, the IFS frames tend to rust up front, near where you would drill for rear spring hangers. Never seen this there on a solid axle frame.


This is exactly where my 83 frame is rusting at.Heard there is a great framebuilder somewhere in N.Y who could build me a new one!! <IMG SRC="smilies/bounce.gif" border="0"> <IMG SRC="smilies/bounce2.gif" border="0"></STRONG>
Not on all though. My 86 was from Minnesota and Iowa and now lives in Missouri the last few years. My frame is good shape. BUT contrary to what most think, here in the Midwest the farther north, the less salt they use, down here in Missouri, if it frickin' rains, the salts trucks come out? <IMG SRC="smilies/biggrin.gif" border="0">
 

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Discussion Starter #20 (Edited)
OK Well bought a 85 runner :bounce2: :beer:

Paid ALOT for it but it's got dual cases and a Detroit with 488's and new ProComps

I will be selling the 488's front and rear pumkins along with EFI motor and trans. and wheels Hopefully by end of this year.
Waiting on swap/transplant

Maybe do 4" lift springs in front with buggy 63 leaf chevy's in rear??:idea: :rolleyes:

As you were guys
 
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