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Old 06-01-2019, 10:52 PM
70badboy 70badboy is offline
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Default 74 GTO letter code on block?

On the 74 GTO, what would be the letter code stamped on the front of the block for a manual transmission? Thanks Steve

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Old 06-02-2019, 07:34 AM
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Quote:
On the 74 GTO, what would be the letter code stamped on the front of the block for a manual transmission? Thanks Steve

WP



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Old 06-02-2019, 03:56 PM
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Does the 6 digit number stamped on the front of the block match the last 6 digits on the VIN? Thanks Steve

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Old 06-02-2019, 05:08 PM
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no, that's an engine unit number;
the partial vin is stamped vertically down beside the timing housing, opposite if the fuel pump.

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1970 Formula 400
Carousel Red paint on Black standard interior
A no-engine, no-transmission, no-wheel option car.
Quite likely one of few '70 Muncie three speed Formula 400's left.


1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing)
2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs)
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Old 06-02-2019, 08:01 PM
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Here is my question. The last 6 digits of the VIN (111706), the number stamped on the block is 272916 WP. Are they suppose to match to be the original motor? Thanks Steve

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Old 06-02-2019, 08:14 PM
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If that number is above the WP, it will not be for the VIN.
It is called the engine unit number or motor unit number or some other things.


The VIN of the car is down lower on the block same side as the WP.
It will be next to the timing cover, if still in the car may be hard to see because of crud and the radiator hose hiding it.
(as was said earlier)
It will look something like 24L111706 or 24W111706
(if it's the original)


I collect that info on the engine unit number.
What is the block date code?
(back of block by the distributor)



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Old 06-02-2019, 08:27 PM
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I will find out and let you know. Thanks for clarifying the numbers for me. Steve

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Old 06-03-2019, 09:26 AM
70badboy 70badboy is offline
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Hey johnta1, here is the information on the block. Date code K013, serial number 23L111706. Hope this helps. Steve

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Old 06-03-2019, 09:44 AM
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Thanks!


That serial number is from the engine?
If so, it is the original engine.



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KRE's MR-1 - 1st 5 second Pontiac block ever!


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Old 06-03-2019, 10:23 AM
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yes, it was from the motor. Just got back info from PHS. It is a 74 GTO, 3speed on floor. Color Pinemist Green. Steve

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Old 06-03-2019, 04:29 PM
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Cool!



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Winner of Top Class at Pontiac Nationals, 2004 Cordova
Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats

KRE's MR-1 - 1st 5 second Pontiac block ever!


"Every man has a right to his own opinion, but no man has a right to be wrong in his facts."

"People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates
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