Re: 70 l89 NOVA?
 

Like Mark noted,I too was looking @ the uniformity of the parallel lines.
Also looks like there's a character behind the letter P,but that might be the camera lighting.

Re: 70 l89 NOVA?
 

Here's another "C" for comparisons.

http://i262.photobucket.com/albums/i...ps8ghxb6ck.jpg

Re: 70 l89 NOVA?
 

Here's another:

https://photos.smugmug.com/Other/Ss4...3/image-X3.jpg

Re: 70 l89 NOVA?
 

And yet another "W" to compare. Notice the patina on this pad and how suttle the broach marks are, they look very bright on your's Mark. Keep digging.
Mike

https://www.yenko.net/ubbthreads/pics...ova_ss_196.jpg

Re: 70 l89 NOVA?
 

Adding marxjunk 2 pics under the previous 3 to compare easier.
From here the W in Mikes stamping looks much taller & narrower in the center section,than marxjunk W which looks shorter there & wider too.

http://i396.photobucket.com/albums/p...psb5t3hfnz.jpg
http://i396.photobucket.com/albums/p...psyklter0f.jpg

Re: 70 l89 NOVA?
 

heres a WR L78 on ebay for sale.....and i just realized is for sale by a member here..
http://i396.photobucket.com/albums/p...psgm7xfolt.jpg

Re: 70 l89 NOVA?
 

marxjunk
After all that's been said here,try running the VIN# through George Z. @ Vintage Vehicle Services.
If it doesn't hit,there's no charge.
Reason I suggest this to you is I have some very early 1970 Chevrolet Canadian dealer ordering guides showing the L-89 Aluminum head L-78 Nova mentioned.
I always took it as unrealistic because it was printed August 1969 and it soon vanished within the following months,but your car got me thinking about it again.

Re: 70 l89 NOVA?
 

https://www.yenko.net/ubbthreads/pics...-50469-018.jpg
Here's another example of a "W" from my '69 L78 Nova

Re: 70 l89 NOVA?
 

I think its fair to say that the 'W's are varied, so the issue with the L89 block in question is probably more about the 'C' and the broach marks....

Re: 70 l89 NOVA?
 

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Mr70</div><div class="ubbcode-body">marxjunk
After all that's been said here,try running the VIN# through George Z. @ Vintage Vehicle Services.
If it doesn't hit,there's no charge.
Reason I suggest this to you is I have some very early 1970 Chevrolet Canadian dealer ordering guides showing the L-89 Aluminum head L-78 Nova mentioned.
I always took it as unrealistic because it was printed August 1969 and it soon vanished within the following months,but your car got me thinking about it again. </div></div>https://www.yenko.net/ubbthreads/pics...9-img_1648.jpg

George does charge a minimum fee for running vin#'s. I just got this form on Wednesday morning directly from George.

Thought you may want to know about this.