68 CUDA FORMULA S
Well-Known Member
Has any one ever heard of this 4 bbl intake? Is this some kind of experimental intake, it says it's for a 273 CI motor. What does it mean when it says made from 2536564 marked print?
2536564 is a 66-67 273 intake. Looks like it was cast from the cast iron specs. Cool stuff. Never seen one. Something you own?Has any one ever heard of this 4 bbl intake? Is this some kind of experimental intake, it says it's for a 273 CI motor. What does it mean when it says made from 2536564 marked print?
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A aluminum prototype would be easier to cast and machine for sure. Interesting piece.N new
P part
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Has any one ever heard of this 4 bbl intake? Is this some kind of experimental intake, it says it's for a 273 CI motor. What does it mean when it says made from 2536564 marked print?
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So Karl are you saying that this intake does not exist? I mean that it was never made for production.
I would say garage art or collector pieceSo because this is a one and possibly the only one of these intakes "who knows" that's around it would be a crap shoot 1st to see if it worked on my 273 and 2nd would it be any good as far as performance like the cast iron ones only lighter, you can see that it has never been used. Or would something like this be better off just being garage art.
So because this is a one and possibly the only one of these intakes "who knows" that's around it would be a crap shoot 1st to see if it worked on my 273 and 2nd would it be any good as far as performance like the cast iron ones only lighter, you can see that it has never been used. Or would something like this be better off just being garage art.
I think I might give him a call and go look at it. I will check out the ports and see if they are smooth like you said and give it a good look over and depending on what he will take for it maybe I'll pick it up. I thinking in the $100 to $120 range.
What do you think that ZYGLO??? OK means
Keep the box. it may be as valuable as the manifold to a collector
I have added another picture of the top of the intake. What do you think that ZYGLO??? OK means
Has any one ever heard of this 4 bbl intake? Is this some kind of experimental intake, it says it's for a 273 CI motor. What does it mean when it says made from 2536564 marked print?
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It could have been made for production, but that one was one of the first ones made to those specifications... (Hence made from a marked print)... If it proved itself in the testing, then they would have tooled it for production... If it did now show enough improvement over the last design then they would have to change it to make it better or go in another direction and scrap that idea...
If you have a part number book and can trace what manifold supersceeded the original 2536564 intake and compare it to that one...
If that is a true prototype, all of the ports should have been machined on a mill and be very smooth, not the rough casting like when made in production cast port...
Remember those were back in the days with hand drawn prints (drafting) and they took some time to draw and finalize... That was way before the days of computer aided drafting which still takes time to change the model in the computer...
When you make a new part, sometimes you can just use the original concept drawing and then circle the parts that you are changing and give the new dimension and geometry and make the new changes by hand. then the engineer signs off on that print with his signature for the prototype order...
Then when the part passes all testing and is released for production, the engineer will write the change notice and give a copy of that marked print to the drafters to use as the template to make the new drawing for the new part number to... It is then that they will pull a new part number and assign it to the new part...
I kicked off many parts by signing and dating the drawing with hand modifications with a note: OK TO TOOL
This way the supplier can start working on the tooling to make the part and not wait for the official drawing to be released which could take a few weeks...