Water testing a Hemi
#2865834
12/28/20 07:43 PM
12/28/20 07:43 PM
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cdstl
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I guess.
I took a picture of a picture today of what looks like the WT of a Hemi.
1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500
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Re: Water testing a Hemi
[Re: Pacnorthcuda]
#2865952
12/29/20 05:27 AM
12/29/20 05:27 AM
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cdstl
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So.... .......what exactly was water testing? Pressurizing the system and see if holds a bleed down spec? I have no idea. Except that whenever you see a Hemi block talked about or put up for sale, they make a point to mention the WT on the engine pad.
1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500
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Re: Water testing a Hemi
[Re: cdstl]
#2865959
12/29/20 08:07 AM
12/29/20 08:07 AM
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Bad340fish
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Considering the exhaust is hooked up to it maybe that is some kind of run stand? Those manifolds are terrible but would be just fine for firing one up for a moment.
68 Barracuda Formula S 340
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Re: Water testing a Hemi
[Re: Bad340fish]
#2865962
12/29/20 08:35 AM
12/29/20 08:35 AM
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cdstl
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Considering the exhaust is hooked up to it maybe that is some kind of run stand? Those manifolds are terrible but would be just fine for firing one up for a moment. You are probably correct.
1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500
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Re: Water testing a Hemi
[Re: cdstl]
#2865963
12/29/20 08:39 AM
12/29/20 08:39 AM
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cdstl
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From what little that I know, it does not appear to be a K head.
So would this be a 1966 later image?
1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500
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Re: Water testing a Hemi
[Re: cdstl]
#2865996
12/29/20 11:06 AM
12/29/20 11:06 AM
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sixpakdodge
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From what little that I know, it does not appear to be a K head.
So would this be a 1966 later image? 1964...it has Carters on it. Either a very early SS motor, or one of the Hardtop Hemi pieces.
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Re: Water testing a Hemi
[Re: Bad340fish]
#2866073
12/29/20 02:51 PM
12/29/20 02:51 PM
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Posts: 25,899 Rio Linda, CA
John_Kunkel
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Considering the exhaust is hooked up to it maybe that is some kind of run stand? From what I understand, water testing was done on the bare block.
The INTERNET, the MISinformation superhighway
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Re: Water testing a Hemi
[Re: topside]
#2866205
12/29/20 08:30 PM
12/29/20 08:30 PM
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Joined: Jan 2003
Posts: 8,399 Highland, MI.
Sunroofcuda
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I just copied all of this & sent around to some old retired Chrysler engineers. Their responses should be interesting!
No Man With A Good Car Needs To Be Justified
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Re: Water testing a Hemi
[Re: Sunroofcuda]
#2866240
12/29/20 10:08 PM
12/29/20 10:08 PM
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Hemi_Joel
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The exhaust is the 64 race Hemi manifolds, butchered up to be able to use on the dyno. I would guess that this was a very very early fire up and run test, maybe some durability testing. But not a real horsepower test with that exhaust system.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Water testing a Hemi
[Re: topside]
#2866318
12/30/20 07:39 AM
12/30/20 07:39 AM
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cdstl
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I think the photo is of another test set-up, maybe the initial light-off test. Looks like K heads to me, front of valve cover is straight. Carters would be an early deal; after a winter test at Lions Drag Strip they switched to Holleys. There are photos of that drag test on the web; they compared Maxie Stage 3 to the new Hemi. K heads have the curve, if I'm not mistaken. But I guess that it wouldn't be visible in this shot.
Last edited by cdstl; 12/30/20 07:41 AM.
1972 Cuda 340 4 speed, 2001 Ram CTD 4x4 6 speed, 1970 Duster 408 4 speed, 1996 Ram 5.9 2x4 auto, 1965 Coronet 500
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Re: Water testing a Hemi
[Re: blewbyu]
#2866458
12/30/20 01:26 PM
12/30/20 01:26 PM
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Sunroofcuda
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Here's some replies I received so far (these were Chrysler engineers who were in the thick of all things racing & high-performance back in the day):
Hot test at M&I.Early Cross ram A990 motor.
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For what it’s worth the Spark plug wire boots look like early 64/65 race Hemi that are total different than 66 up street Again the picture is not that clear on my I phone.
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I’ve guessed about this before, I’ve always thought the early gen two engines where built in Marysville at the MCI plant. This looks like 64, carter carbs and K heads. It’s a hot test stand. Probably no load and I have no idea what kind of instrumentation they had on it. I know at Trenton, when Al Nichols worked on their hot test set up, they had lots of pressure and temp channels to make sure all was good to go. And of course, look for oil and coolant leaks.
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I’ll second Greg’s thoughts. I have seen this picture before, as well and the consciences is this is a hot test at M & I, where some of the Hemis were built.
No Man With A Good Car Needs To Be Justified
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Re: Water testing a Hemi
[Re: John_Kunkel]
#2866472
12/30/20 01:57 PM
12/30/20 01:57 PM
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Joined: Sep 2003
Posts: 19,492 north of coder
moparx
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Considering the exhaust is hooked up to it maybe that is some kind of run stand? From what I understand, water testing was done on the bare block. where i worked, we water tested gas field pipeline meters after the machining process was complete, but before assembly. the main body castings and tops were tested to 4000lbs. the working pressure of the meters was 1400lbs max. john would be correct. a water test would be done on a bare block, not an assembled one.
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