If I remember correctly all the 327 engines had a harmonic balancer, the low horsepower engines were quite small by todays standards. The later 283 engines also got harmonic balancers when equipped with a cast iron crankshaft. The only way to know for sure what engine it is would be the block stamping number in front of the cylinder head and the casting number on the block rear left side.

The image certainly looks like my 67/275 327 as originally dressed.

Same valve covers, fuel line routing, double humps, oil filler, pcv routing, damper?...

MoboMac wrote:

---

OK....thanks for everybodys input...

If it runs good...I'm going to roll the dice..

---

 Did you get the front pad stamp numbers?

get the casting number off the bell housing flange

67Poncho wrote:

---

MoboMac wrote:

---

No....but I'm going there tomorrow....What codes should I be finding...

 

Apparently several others have read codes and and have stated it is #'s match...Just want to be sure..

---

The pad is out in front of the right head. While casting numbers are good too, they won't tell the application. I was talking to Cheviac as he sent a pic of the casting number of his '70 LS4 454 block... as it happens, the number carried over from the '69 427 engine.

Here is the site to check: How to decode Chevy Engine Codes (nastyz28.com)

Get your suffix code and go to the site. 

This one is from my driving '67 Laurentian Wagon. As you can see with mine, K 03 09 KL. McKinnon, March 09 of '67. Oddly enough, 1 day before I was born! Guess I was meant to have this car. KL--327 4bbl, 275hp. It should be a THM400, that's what mine has.

KL

1967

327

tur 350

275

4

full size

Ok Great info......so as long as this one is stamped KL...it should be what it looks like...

I always thought that the Canadian stamped codes.....did not correlate to the us ones..

-- Edited by 67Poncho on Saturday 16th of October 2021 03:47:09 PM

---

 

70 SS ACADIAN wrote:

---

a lot of Canadian engine numbers did not have this info. Not sure if 67 went to the suffix code

---

 As stated that this is the engine from my '67 Laurentian wagon.... the second from the right in my avatar. I will get the one from my '67 Grande wagon, it is a "GF". Every engine I have seen from about '65 up, has the exact stamp info. And remember, the Canadian Pontiacs won't be listed... but because they use Chevrolet engines, the suffix will be the same.

-- Edited by 67Poncho on Saturday 16th of October 2021 09:41:23 PM

That thermostat jacket is not 283. No indents on a 283 jacket from what I remember...

The casting number on the top of the block behind the driver's side cylinder head is the clincher. Pretty tough to fake those casting numbers. Not likely someone would do a restamp on a 283 to make it a "327" but it's not impossible.