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Author Topic: Correct intake numbers  (Read 1511 times)
oneZ11
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« on: March 15, 2013, 12:39:14 PM »

Got a line on an intake for a 69 small block and need some help to properly identify. I've got the original block in the car 350/300hp, but not intake. (It's a Tonowanda code block).

Other than the date code, what would be the correct casting number(s) that I would be looking for on the intake? Also, there is a letter code cast in front of the carb. I've seen "R" and "T" and others, which ones would be correct for '69 350/300? Does that matter?
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Ed Bertrand
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« Reply #1 on: March 15, 2013, 12:59:57 PM »

Dan, you need a 3927184 cast iron intake. The letter cast in the intake won't make any difference. It's just a foundry code.

Ed
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oneZ11
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« Reply #2 on: March 15, 2013, 02:00:42 PM »

Thanks Ed. Is that the only casting # for 69 350, or for this particular "T" code 300hp version?
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Ed Bertrand
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« Reply #3 on: March 15, 2013, 02:06:17 PM »

That's the only intake manifold casting number for the 1969 350/300 engine

Ed
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oneZ11
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« Reply #4 on: March 15, 2013, 02:26:27 PM »

Ed one more if I may. Here's a pic of the current intake. It's a '68 - date code E . 68. Is the front arrangement under where the upper radiator hose casting the same on the '69 intake?  Specifically, where the "insert" is, and the heater hose connection?  (I am just now realizing that it may not be a "freeze" plug, but a plug where an oil tube would go for earlier models.)
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Ed Bertrand
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« Reply #5 on: March 15, 2013, 02:40:19 PM »

Quote
I am just now realizing that it may not be a "freeze" plug, but a plug where an oil tube would go for earlier models.

That's exactly what it is. It's used for the oil fill tube on the 68. The 69 had the oil fill through the valve cover, so it doesn't have this same arrangement.

The heater hose connection is the same for 68 and 69. Do a search on ebay for 3927184 and you'll see what it looks like.

Ed
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oneZ11
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« Reply #6 on: March 15, 2013, 03:01:44 PM »

Okay, good idea, thanks for your help...
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oneZ11
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« Reply #7 on: March 15, 2013, 03:26:08 PM »

Ed, finding 2 styles, curious as to which is correct? One has a rounded cast, and the other a rib. (see photos).
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Ed Bertrand
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« Reply #8 on: March 15, 2013, 03:30:37 PM »

They're both "correct".

Ed
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oneZ11
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« Reply #9 on: March 15, 2013, 03:43:21 PM »

I think one may have been used more so on Corvettes (the ribbed one). That one showed up more on Ebay for Corvette 350 intakes. Thanks again...
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KurtS
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« Reply #10 on: March 15, 2013, 09:16:33 PM »

I think the upper.
I don't recall the oil fill blank on ones that I've had. They may be service parts.
Check the casting dates.
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Kurt S
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crobjones2
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« Reply #11 on: March 15, 2013, 10:34:21 PM »

Kurt - my OE E219 manifold looks like the lower
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Chris
69 SS 350
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