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Old 08-09-2011, 12:59 PM   #1
ooimpalaoo
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1969 GMC 6bolt with 71-72 5 bolt donor ???

just to start off thanx for any help i get..i have a 1969 gmc 6 bolt and i have a 71-72 5 bolt donor. now do i want to keep my stock front crossmember and just swap out the A arms and spindles for the 71-72 or do i swap out the whole crossmember?? thanx for all the help again...from looking on the forum it looks like you can do both im wanting to know what one is best? more easy safer _ or +
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Old 08-09-2011, 01:04 PM   #2
Clyde65
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

I just swapped the upper/lower a-arms spindles and brakes and all on my 65
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Old 08-09-2011, 10:13 PM   #3
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

Sometimes it's easier to swap it as a unit if it's ready to go 'as-is'. If you're rebuilding as you go, swapping the parts over is the way I would do it as well.
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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 08-10-2011, 02:26 AM   #4
stealthy '69
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

IF you plan on having the motor out, or it's already out, it would be easier to swap the entire front cross member as one unit. I think it's only 4 bolts that hold it in. If you're doing it with the motor still in, like I did, just swap everything from the a-arms out. Don't forget all the steering components. They are different.
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Quote:
Originally Posted by longbed67 View Post
The tig welds are not the prettiest i have seen but they do have good penetration.
Quote:
Originally Posted by oldblue1968chevy View Post
There are two things in life where penetration is really important.....and one of them is welding.
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Old 08-10-2011, 08:32 AM   #5
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

Quote:
Originally Posted by stealthy '69 View Post
IF you plan on having the motor out, or it's already out, it would be easier to swap the entire front cross member as one unit. I think it's only 4 bolts that hold it in. If you're doing it with the motor still in, like I did, just swap everything from the a-arms out. Don't forget all the steering components. They are different.
It's 14bolts; 7 per side holding the x-member in place.
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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 08-10-2011, 08:35 PM   #6
stealthy '69
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

I stand corrected yet again! I guess it's a good thing everyone else is here, 'cus if people relied on me, they'd all be screwed!! I'm learning every day. I should just sit back and learn.
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Quote:
Originally Posted by longbed67 View Post
The tig welds are not the prettiest i have seen but they do have good penetration.
Quote:
Originally Posted by oldblue1968chevy View Post
There are two things in life where penetration is really important.....and one of them is welding.
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Old 08-13-2011, 11:08 AM   #7
ooimpalaoo
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Re: 1969 GMC 6bolt with 71-72 5 bolt donor ???

thanx for all the info guys i got all the parts off and will have them blasted and painted then install thanx again..
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