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Old 04-17-2021, 03:23 PM   #1
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Re: 2wd swap

Suppose they're the light duty 1" rotor version?
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Old 04-18-2021, 05:21 PM   #2
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Re: 2wd swap

This is surprising. Was planning on reaming up to squarebody ball joints

The ball joint is bigger on a obs than a squarebody.
But the tie rod diameter is smaller by a bunch
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Old 04-18-2021, 05:46 PM   #3
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Re: 2wd swap

Quote:
Originally Posted by KQQL IT View Post
This is surprising. Was planning on reaming up to squarebody ball joints

The ball joint is bigger on a obs than a squarebody.
But the tie rod diameter is smaller by a bunch
Lower BJ for an OBS will fit into a C20 control arm but is larger than a C10 arm. Not sure of what the impact is on steering geometry.
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 04-18-2021, 08:03 PM   #4
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Re: 2wd swap

Was going to go with choppin block arms.
The obs spindle was my band aid for the sectioned crossmember for the bumpsteer they create.
Get some squarebody spindles and have the kid braze the tie rod ends shut and ream them from the other side..
Or a heim end kit.
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Old 04-19-2021, 09:40 AM   #5
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Re: 2wd swap

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Originally Posted by KQQL IT View Post
Was going to go with choppin block arms.
The obs spindle was my band aid for the sectioned crossmember for the bumpsteer they create.
Get some squarebody spindles and have the kid braze the tie rod ends shut and ream them from the other side..
Or a heim end kit.
You'd need C20 spec lowers to do the OBS spindle (or @ least the BJ hole needs to be C20/OBS dimensions).

Also.... OBS spindles came in an HD version as well. Lt. Duty= single cab trucks; HD = Ext cab & 454SS optioned single cab trucks.
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 04-19-2021, 01:51 PM   #6
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Re: 2wd swap

According to my mics the c20 is bigger by a bit.
They where .950 on the lower joint taper
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Old 04-25-2021, 06:10 PM   #7
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Re: 2wd swap

Nice.
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 04-30-2021, 10:56 PM   #8
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Re: 2wd swap

Think I maybe solved my bumpsteer problem.
Nothing like machining new parts.
Void warranty in the 1st 30 seconds
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Old 05-02-2021, 07:05 PM   #9
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Re: 2wd swap

Mocking up stuff
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Old 05-05-2021, 10:24 PM   #10
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Re: 2wd swap

Spindles showed time to get this together

@scoti


Is there a recommendation for a bag and upper bag plate ?

See some are flat and recessed into the coil bucket
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Old 05-06-2021, 12:10 AM   #11
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Re: 2wd swap

With my arms shifted forward, I made my own upper plates.
Cardboard templates of the x-member transferred over to 3/16" plate. Mounted the bags to the lower arms & marked/traced out onto the plates to understand the center-line needed for them.
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 05-08-2021, 12:01 PM   #12
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Re: 2wd swap

The ruffstuff insert was the wrong taper.
So a good friend made some new ones with a correct taper.
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Old 05-09-2021, 12:13 AM   #13
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Re: 2wd swap

Kid brazed in the new inserts my friend made for us.
Still going to need a bump steer kit I believe
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Old 05-16-2021, 07:33 PM   #14
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Re: 2wd swap

So...

I think we have beat the bumpsteer
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Old 05-17-2021, 01:07 PM   #15
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Re: 2wd swap

Looks good. Hard to tell from the angle though. You could always check it but cycling the suspension (especially since you dont have the spring in) and check to see how far it moves.
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Old 05-17-2021, 05:16 PM   #16
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Re: 2wd swap

It's does good til full droop.
But it's well beyond the advertised bag travel.
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Old 05-27-2021, 10:08 PM   #17
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Re: 2wd swap

Is a 1.500 id bushing enough interference?
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Old 05-28-2021, 09:48 AM   #18
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Re: 2wd swap

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Is a 1.500 id bushing enough interference?
??
Relevant to what?
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 05-28-2021, 12:05 PM   #19
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Re: 2wd swap

Guess you're not a mind reader.

For our rear links.
Was planning in using the the rear spring hanger to locate the lower link.
2 inch x 1/4 wall dom tube is 1.490 I.D
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Old 06-16-2021, 09:44 PM   #20
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Re: 2wd swap

(2 link + 4 link) / 2 people = 3 link?
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Old 06-17-2021, 10:00 AM   #21
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Re: 2wd swap

2 link- 4 link- trailing arm its all in the air currently

Just happy I don't have to carry the frame around.
And trying to convince myself I shouldn't 5 lug swap and lay the crew cabbie
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Old 06-17-2021, 11:30 AM   #22
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Re: 2wd swap

Quote:
Originally Posted by KQQL IT View Post
2 link- 4 link- trailing arm its all in the air currently

Just happy I don't have to carry the frame around.
And trying to convince myself I shouldn't 5 lug swap and lay the crew cabbie
HD or Lt.Duty 2500?
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 06-17-2021, 11:34 AM   #23
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Re: 2wd swap

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HD or Lt.Duty 2500?
HD like 8600 gvw or something.
454 4L80 126k the paint is starting to die finally and starting to show its age. Door handles window motors wonky gauges typical stuff.
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Old 06-17-2021, 01:22 PM   #24
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Re: 2wd swap

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HD like 8600 gvw or something.
454 4L80 126k the paint is starting to die finally and starting to show its age. Door handles window motors wonky gauges typical stuff.
8-lug = 8600; 6-lug = 7200.

Mine....
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Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive.
It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar.....

Cubic inches is like Indiana Jones with a cheap pistol.
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Old 06-17-2021, 02:10 PM   #25
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Re: 2wd swap

Definitely 8 lug.

Well if I go that way. You'll get a pm with a parts list.
You helped me a ton with the 91 I did for my bro in law
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