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Re: No oil pressure after oil change
[Re: 71redcuda]
#3087118
10/18/22 11:07 AM
10/18/22 11:07 AM
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Joined: Dec 2013
Posts: 4,664
Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,664
Wichita
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The oilfilter had oil in it when i changed it the first time so i think it might be the oil sending unit. Do not replace the sending unit and start the motor to see if the sending unit suddenly took a dump or you may risk engine damage> It's more effort but the correct and only way to address the issue at this point is as everyone has suggested, Pull the distributor and oil pump drive. Install a mechanical gauge and run the pump with a priming rod and drill motor. the correct direction is CW. (clockwise)   Will do, thanks! When pulling out my distributor and intermediate shaft, I find it easiest to take a quick pic with my cell phone to determine the clocking for easy reference to put it back together.
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: No oil pressure after oil change
[Re: TJP]
#3087182
10/18/22 03:13 PM
10/18/22 03:13 PM
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Joined: Dec 2013
Posts: 4,664
Wichita
GY3
master
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master
Joined: Dec 2013
Posts: 4,664
Wichita
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When pulling out my distributor and intermediate shaft, I find it easiest to take a quick pic with my cell phone to determine the clocking for easy reference to put it back together. One can also use a sharpie to mark the dist. base to the intake or block so it'll fire right up. I do that too! LOL!
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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Re: No oil pressure after oil change
[Re: GY3]
#3087193
10/18/22 03:41 PM
10/18/22 03:41 PM
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Joined: Jun 2019
Posts: 744
Almost Heaven
Bob Stinson
super stock
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super stock
Joined: Jun 2019
Posts: 744
Almost Heaven
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When pulling out my distributor and intermediate shaft, I find it easiest to take a quick pic with my cell phone to determine the clocking for easy reference to put it back together. One can also use a sharpie to mark the dist. base to the intake or block so it'll fire right up. I do that too! LOL! Sometimes I even get motivated and use a punch to mark them because I've had Sharpie rub off.
69 road runner A12 ex-racer
71 Duster w/ a 400
Shiny paint causes stress.
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Re: No oil pressure after oil change
[Re: Bob Stinson]
#3087218
10/18/22 04:31 PM
10/18/22 04:31 PM
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Joined: Dec 2009
Posts: 20,626
in a cattle trailer down by th...
Guitar Jones
Paddle faster! I hear banjo music!
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Paddle faster! I hear banjo music!
Joined: Dec 2009
Posts: 20,626
in a cattle trailer down by th...
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When pulling out my distributor and intermediate shaft, I find it easiest to take a quick pic with my cell phone to determine the clocking for easy reference to put it back together. One can also use a sharpie to mark the dist. base to the intake or block so it'll fire right up. I do that too! LOL! Sometimes I even get motivated and use a punch to mark them because I've had Sharpie rub off. I do that all the time, the sharpie works better for me because a little brake cleaner and a rag will erase it.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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Re: No oil pressure after oil change
[Re: GY3]
#3087224
10/18/22 04:47 PM
10/18/22 04:47 PM
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Joined: Dec 2005
Posts: 11,523
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,523
Fulton County, PA
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The oilfilter had oil in it when i changed it the first time so i think it might be the oil sending unit. Do not replace the sending unit and start the motor to see if the sending unit suddenly took a dump or you may risk engine damage> It's more effort but the correct and only way to address the issue at this point is as everyone has suggested, Pull the distributor and oil pump drive. Install a mechanical gauge and run the pump with a priming rod and drill motor. the correct direction is CW. (clockwise) Will do, thanks! When pulling out my distributor and intermediate shaft, I find it easiest to take a quick pic with my cell phone to determine the clocking for easy reference to put it back together. Just roll the engine around to TDC #1. Look at the rotor so you don't end up 180 out. Slot in the drive will be parallel with or slightly off parallel with the crank, pointing towards #1 cylinder. Sharpie mark will get you close but timing should be reset. ![[Linked Image]](https://i.imgflip.com/6xehi3.jpg)
If the results don't match the theory, change the theory.
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Re: No oil pressure after oil change
[Re: 57Fury440]
#3087225
10/18/22 04:50 PM
10/18/22 04:50 PM
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Joined: Dec 2005
Posts: 11,523
Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,523
Fulton County, PA
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He said he only ran it for 5 to 10 seconds. I don't think it had enough time to build up pressure. That's a long time unless he left it sit with the pan empty for a while and didn't put any oil in the filter.
If the results don't match the theory, change the theory.
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