70 Cutlass S 455

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August 31st, 2015, 11:36 AM

#41

Fun71

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Join Date: Feb 2013

Location: Phoenix, AZ

Posts: 14,737

Quote:

Originally Posted by joe_padavano

So footnote d is showing HD axle shafts for the 3.42 and 3.91 ratios. I thought the last year for the HD 31 spline shafts was '68, so what exactly is HD about the '70 shafts in the 3.42 and 3.91 rears? I have never heard mention of any difference for 1970.

August 31st, 2015, 04:24 PM

#42

Diego

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Join Date: Aug 2009

Posts: 2,620

Here's documentation this engine was available.

Attached Images

1970 Cutlass Supreme 455 Non_SX_Build_Sheet.jpg (2.54 MB, 46 views)

August 31st, 2015, 06:36 PM

#43

4speed455

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Location: Modesto CA

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34257 is a Cutlass Supreme. Gerald knows they came in that body style as he has a 70 w32. I think he believes the 455 was not available in a Cutlass S body.

August 31st, 2015, 06:39 PM

#44

Diego

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Fair enough, but I wonder if he thought it was SX-only?

August 31st, 2015, 06:52 PM

#45

4speed455

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Location: Modesto CA

Posts: 1,577

Quote:

Originally Posted by Gerald Nickels

Not sure you have a matching numbers 455 engine as they were never made only 442 and C/S Cutlass SX and wagons had a 455 engine.
Gerald

He lists C/S (Cutlass Supreme) and Cutlass (Supreme) SX in his original post.

I have seen his SX in person BTW and it's very nice and seems to be priced reasonably.