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Old June 18th, 2020, 09:56 AM
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Frame Type

Hello can any one tell me the frame/ body type of the 1970 oldsmobile 98 convertible
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Old June 18th, 2020, 10:04 AM
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GM B-body. <EDIT C-Body>
Formed steel, full perimeter type. Fully boxed midsections for verts.
Or are you concerned with cross-referencing with other similar GM cars?
A boxed can be used under a coupe but a coupe/sedan can not be used under a vert without boxing it in for structural reasons.
Not sure if 2 doors and 4 doors run the same wheelbase on a C body.

1969–70: 127.0 in (3,226 mm) wheelbase
1970: 225.2 overall length

Last edited by droldsmorland; June 19th, 2020 at 10:02 AM. Reason: The Professor caught my errors
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Old June 18th, 2020, 10:13 AM
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Originally Posted by droldsmorland
GM B-body.
The Olds Ninety Eight is a C-body. There's about a three inch difference in wheelbase between the B-body and the C-body.

Also, not all "GM" B-body frames are the same. An Impala frame is completely different from a Delta 88 frame in 1970. Totally different suspensions, for example.
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Old June 19th, 2020, 10:01 AM
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I'm in Mopar mode at times when I think of land yachts. I digress.
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Old June 19th, 2020, 10:03 AM
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Originally Posted by droldsmorland
I'm in Mopar mode at times when I think of land yachts. I digress.
I thought they were unibody.
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Old June 19th, 2020, 10:21 AM
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HAHAHA! Yep. Further digression...
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