Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!

Sponsored by:

engine numbers? what do these mean?

Reply Subscribe

Search this Thread

Old

Jul 2, 2003 | 04:42 PM

#1

Thread Starter

Supreme Member

Joined: Sep 2002

Posts: 1,661

Likes: 0

From: Toronto

engine numbers? what do these mean?

6f23
dn a2

those # are under my engine what do they mean?

Old

Jul 2, 2003 | 04:53 PM

#2

Supreme Member

Joined: Jul 1999

Posts: 18,457

Likes: 16

From: Loveland, OH, US

Car: 4

Engine: 6

Transmission: 5

6F23 = cast in the Fth (6th) month (June) 23rd day in a year ending in 6

The other is a shift code or something, I never have learned what those are.

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

List of 71 original GM 3rd Gen Part Numbers!!

1992 Trans Am

History / Originality

27

May 10, 2023 07:19 PM

Azrael91966669

DIY PROM

25

Jun 20, 2017 04:04 AM

1987 LG4 Love and Hate

MY87LT

Transmissions and Drivetrain

12

Aug 17, 2015 08:43 AM

Procharged 383 TPI Dyno Numbers

85Iroc-Z

Power Adders

18

Aug 13, 2015 01:58 AM

Code 12 Distributor not sending to ECM

bradleydeanuhl

DFI and ECM

4

Aug 12, 2015 11:48 AM

3k, engine, gmt, means, numbers

First
Prev
1 / 1
Next
Last

All times are GMT -5. The time now is 07:37 PM.