Messages

Wouldn't this picture of the actual housing tell the story? Casting dates are all "8" as is the stamped S8P10 in the driver's side. Why would they cast the model year and not the actual date of the casting? Again, I covered the last of the vin 19N51426X because of online issues. I'd love to see other pictures of M15s. Look at this photo, there's a 7 in the stamped part AND the casting. https://camaros.org/images/pages/decoding/trans_saginaw_code.jpg

Anyway, Thanks for viewing this and the help.

I'm going to throw this in there. 5 years back I bought an NOS 454 oil pan from HB City for a good friend's 70 Monte Carlo.

I paid the big money yet when the part got here it was made by Spectra in Montreal. I questioned him and got nowhere. Then took some pictures and simply asked for the difference in price back or I would call him out on it. I got a refund that day. Buyer beware, that's all.

We rarely saw any ticks here in Morrisville growing up. I got bit 3 times two years ago and my wife twice last year. We check ourselves daily, yesterday I pulled a big wood tick off my you know what. Like anything else these days, I have more questions than answers.

I have the original clutch, a touch of orange paint is on the pressure plate, can't find any dating on either piece. Strange seeing as GM has date codes on everything.

It's quite the snafu for the factory, the speedometer cable is in the correct hole by the master cylinder, left side. The "Muncie" speedometer hole in the firewall doesn't look touched.

This car definitely came with this 6 cyl M15.

Easy to tell it hadn't been apart, all of the gaskets were original, the ink from the side cover gasket was transferred to the case.

Hi there, first post. Please bear with me, I am NOT a GM person. I am freshening an original,
never disassembled 69 RS 350/255HP car for one of my best friends. All numbers match on block, transmission, body vin.

Car was bought new here in town November of 69. We know all three owners including original owner. Unfortunately we do not have the protecta plate or invoice so RPO codes aren't here.

Original owner bought this car off the lot, it wasn't ordered by him.

I believe, but not proven, that this is an LM1 car. I am missing the exhaust manifolds, intake and original carb which was replaced in 1978 by the second owner, who we still communicate, with a Holley Street Dominator and Holley 6210-3 4165 carb. He said the carb he removed was a 4bbl Rochester and a cast iron intake. Distributor #1111956.

So 350/255 sticker, 3 speed stick but a Saginaw, 12 bolt rear, multi leaf springs, power disc front brakes. My only question is why this car has a Saginaw 3 speed with a 1.68 second gear when all I have read here states the car should have an MC1, not an M15, and certainly not a 1.68 second gear. Also 10.5 inch clutch, original. No doubler plate on L/R.

I can post pictures. Here's the car info, I X'd out the last 3 of the VIN because it's not my car.

Thank-you!


Serial Number  19N514XXX   T09I7HQ

Tonawanda Plant September 17, 1968

N- Norwood

HQ-  1969 Manual Trans  300hp   2 Bolt   Body- A,F,X

Block Casting # 3932388

Cylinder Head Casting # 3932441    1.94 in  1.50 exh  76cc chamber

Head Gaskets were .015" (measured) steel

Crankshaft casting # 3932442 cast crank

Transmission  M15 Saginaw  S8P10     19N514XXX

Casting #3925647

1-1 3rd,  1.68 2nd, 2.85 1st gear

Decode-    S=3speed   8=1968     P=Sept 10=10th day

Harmonic Balancer 7704H=part #   36 = week 36 or 9/01/69 to 9/07/69....matches all other engine dates/trans dates.

Camshaft Part number 416930X or 3896929 300hp camshaft

Distributor #1111956   8H15 Date

Clutch 10.5"

Rear 12 bolt Posi sticker on fill.

BS 0925G1  3.31 ratio, September 25 G1

Norwood car 10A date

Dual fuel lines to tank