76 Cj7 304 V8 Timing Chain And Oil Pressure Indicator Question - JeepForum.com
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Unread 09-14-2009, 08:21 PM   #1
PIPER-68
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1976 CJ7 
 
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Location: VANDALIA ILLINOIS
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76 Cj7 304 V8 Timing Chain And Oil Pressure Indicator Question

I took the fuel pump off my 76 CJ7 with a 304 V8 and while off I stuck my finger in and felt the timing chain . I was kind of suprised at how much play it had . I could slap it against the side of the timing cover . Is that normal or do I need to replace it ? I think it has about 85K on it . Also the oil sending unit was removed and a pressure line style gauge and and tube were installed . It is now leaking were the tube goes in the engine . I think I would like to put it back as orginal but don't know were the sending unit goes and I would like to verify that the wires are all still there if anybody knows or has a picture of the location I would really appreciate it .

Thanks,

Chad...

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Unread 09-14-2009, 08:54 PM   #2
scottymac62
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It does sound like it's time for a new timing chain. Here's a pic of where the stock oil sender goes, and you should look for a purple wire in your harness to connect to it. Just find the purple wire under your dash, hook it up to your new gauge and you should be good to go.
oilsender.jpg  
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
Warn PowerPlant HD 12K Winch, Dirtworx front and rear bumpers.
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Unread 09-14-2009, 09:26 PM   #3
PIPER-68
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Thanks for the quick reply . Just one wire for the whole oil pressure system ?
ok I will look for it .

Thanks again,

Chad...
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Unread 09-14-2009, 09:48 PM   #4
scottymac62
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1977 CJ5 
 
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Yes, only one wire. The ground is provided by your engine block. So make sure it's grounded well. Make sure that you don't wrap the threads on the sending unit with something that is going to isolate it from the engine block so that you will get a good ground.
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'77 CJ-5 Renegade 304 / T-150, Dana 20, 30/20 axles, Aussie Locker in the Dana 30, American Racing 15x10 Outlaw II's, 33" Dynapro M/T's" ,Optima Battery, TeamRushed + Summit Racing CDI ignition, FlowKooler water pump, Edelbrock Performer Intake Manifold, Holley 4160 390cfm, Herculiner, Silver Ceramic Coated Hedman Hedders, Flowmaster 40's.
Warn PowerPlant HD 12K Winch, Dirtworx front and rear bumpers.
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Unread 09-14-2009, 09:55 PM   #5
PIPER-68
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ok , thanks again.
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