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Old 09-24-2019   #471
Roadster
 
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Default Re: TB removal and then some!!!

Just picked up my AC manifold hose assembly from being repaired @Kenco Hydraulics in Hatfied PA.
Did a search in my area and they were the only ones to take on the repair.
They did an excellent job and made some improvements at the same time.
You will notice that the accumulator rubber hose is now shorter and there is a slight bend in the metal tube...where there wasn't before.
Also JIC fittings are now implemented into the assembly....making it much easier to clock the connections during reassembly on the car.
Even though the accumulator rubber hose is shorter....measurements were taken beforehand to make sure that the actual length of that part of the assembly were indeed correct.
I think the main concern when reattaching on the car is to make sure that the hose does not rest against the crossover coolant pipe as it did on my engine....causing the wear problem that resulted in repairs.
Again extremely happy with the work that they did. They are also open to doing the same for anyone who needs this type of repair....just let me know and I will give you the info...
As you can see the repaired assembly in the first 3 pics with the replacement hose and the JIC connections....the next 3 pics show the old hose that was cut off and what the end looked like from resting against the coolant crossover pipe for 25 years....20190924_123007.jpg20190924_123015.jpg20190924_123025.jpg20190924_122932.jpg20190906_083540.jpg20190906_105357.jpeg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Last edited by Roadster; 09-24-2019 at 01:05 PM.
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Old 09-24-2019   #472
Mystic ZR-1
 
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Default Re: TB removal and then some!!!

Tom
What are JIC connections?
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Old 09-24-2019   #473
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Default Re: TB removal and then some!!!

JIC fittings, defined by the SAE J514 and MIL-DTL-18866 standards, are a type of flare fitting machined with a 37-degree flare seating surface. JIC (Joint Industry Council) fittings are widely used in fuel delivery and fluid power applications, especially where high pressure (up to 10,000 psi) is involved.
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Old 09-24-2019   #474
Roadster
 
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Default Re: TB removal and then some!!!

Quote:
Originally Posted by Mystic ZR-1 View Post
Tom
What are JIC connections?
Doug, what Cliff said..... plus being male & female connections.... they allow you to make adjustments to get everything lined up perfectly....
All I know it is going to make it a breeze for install....it was recommended to hook up the compressor then the accumulator then tighten the JIC connection closest to the accumulator and then tighten the JIC connection closest to the compressor....no sealant of any type is required or recommended....
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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Old 09-26-2019   #475
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Default Re: TB removal and then some!!!

Going through parts today and rearranging the parts room....found something that I misplaced awhile ago....
Will install one day....
NOS RH Tensioner Kit....purchased years ago...
If anyone needs a copy of the instructions....let me know....will be glad to post them up....20190926_134136.jpg20190926_134159.jpg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Old 09-30-2019   #476
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Default Re: TB removal and then some!!!

Just made a run to Harbor Freight to take advantage of expiring coupons....
So check these out...pic #1... this large light on sale with coupon....works really well when under the car or in dim light areas...better than the old drop lights IMO....and it has a magnetic base....the small light also on sale with coupon... works well for many uses...
Pic #2 is the free light that you get with coupon...
And I couldn't pass up pic #3... just what is needed for trips in the Vettes...just in case...I always carry this and that....but this just makes it easier and it was only $5.99 and with my 20% coupon...now $4.79 [emoji16][emoji16]20190930_115955.jpeg20190930_120013.jpeg20190930_120035.jpg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Old 09-30-2019   #477
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Default Re: TB removal and then some!!!

Figured I run by Ace Hardware to look for 2 bolts for the cooling fan to attach to the fan shroud....I was missing one and those small 7mm head bolts used for the upper and lower radiator shroud attacement....Ace was a bust...went over to Lowes which has a better Hillman Automotive selection than HD....IMO and found exactly what needed...
Also received my shipment of rosebud clips for the fan conduit harness connection to the fan shroud....success...[emoji16]
Pic #1 is the bolt used for attaching the fans to the fan shroud....10mm head bolt as shown in pic #2...replacement bolt is on left side in both pics...although slightly shorter @25mm length instead of a 30mm length (stock size)...should work just fine...
Pics #3 & 4 show the small 7mm head bold (which both a 7mm and 9/32 socket will fit) that is used for the radiator shrouds and also attaching the oil cooler to the condenser....replacement bolt is also on the left in both pics....should be a 15mm length (stock size)...but this is a 20mm length...which should also work just fine...
Also received a rosebud shipment pic #5 for the fan conduit harness attachment for the fan shroud...20190930_155335.jpg20190930_155429.jpg20190930_160009.jpg20190930_160023.jpg20190930_161533.jpeg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Last edited by Roadster; 09-30-2019 at 04:53 PM.
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Old 10-04-2019   #478
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Default Re: TB removal and then some!!!

An update on the 7mm screws in pics #3 & #4...
I found this bag of trim screws in pic #1....that must have had and they are a great match and the correct 15mm length....with the 7mm bolt head....
Pic #2...Left bolt is stock, center bolt is the Hillman bolt...and the right bolt is the trim screw from the above pack...
Poc #3...They are all 7mm head screws...same order as mentioned above....
20191004_191625.jpeg20191004_182122.jpg20191004_182205.jpg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Old 10-07-2019   #479
Roadster
 
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Default Re: TB removal and then some!!!

Been checking out the radiator cushions for the ZR-1 and as been mentioned they are hard to find the rubber units....although poly replacements are available....I can reuse my stock ones....if need be...
So I checked out what if anything was available and found the following....
Plus found some additional fasteners and radiator shroud bolts.....
Pic #1....these are to my knowledge the original LS & RS Upper radiator supports...
Pic #2...another view...
Pic #3...support on the left is from the 94....support on the right is a purchased part....the configuration is opposite....
Pic #4...another view from a different angle...again opposite orientation.... purchased unit on the left....original on the right...20191007_162919.jpeg20191007_162953.jpg20191007_163218.jpeg20191007_163235.jpeg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Old 10-07-2019   #480
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Default Re: TB removal and then some!!!

Pic #5...here we have the originals on the top and two NOS units I found....they are the exact orientation...as they should be...
Pic #6...another view... exactly the same....
Pic #7...now here is the bottom support...unit on the left is from the 94....unit on the right was purchased...
the orientation although on the same side...is also off to where this may not properly fit...
Pic #8...you can also notice the difference in the orientation from the bottom side....only thing I can think of..... is that...this is from an earlier C4 and being sold as a 90-96 part....20191007_163459.jpg20191007_163534.jpg20191007_163813.jpg20191007_163832.jpg

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1994 ZR-1 #009 "captured test fleet car"
1974 LS4 454 Vert
1982 L83 CFI...now a retired "dd"....Sold

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Last edited by Roadster; 10-07-2019 at 08:31 PM.
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