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Topic: 73 SB Oil Pan Side Plug Repair???

in Forum: C3 Engines

73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 10:41am Message 1 of 27
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Joined: 11/29/2015
Posts: 47
Vette(s): 1973 Convertible, L48, 4 Speed, PS, Numbers Matching, Mille Miglia Red, Dark Red Interior NCRS Top Flight Award Chapter/ June 2016
Anyone have any ideas as to why my oil pan would have a plug on the right side? Pan is original with correct drain plug in front center. However, there is this very bad looking repair (plug) on the right side. I'll try to post a photo here if I can. Any ideas/comments appreciated. Thanks. Sorry about the giant photo, but as I said previously, Im not sure why I can't post, or edit a photo on this site. I use my Ipad most of the time for photos. Also, I did try using Chrome as a browser and had made no difference. I have the same issues when I use my PC. Once again, I do appologize for my lack of computer skills posting photos here...thanks.

Oil pan pic 

(modified large image to link-aapple)



|UPDATED|2/18/2016 10:41:54 AM (AZT)|/UPDATED|



Tooch1 Pittsburgh Tri State Chapter NCRS Laurel Valley Corvette Club
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Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 7:41am Message 2 of 27
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2379
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
Maybe the previous owner had a oil temperature sensor in that spot??? 

The plug is to high up to drain the oil completely from the pan.




GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.
3.54 Dana 44
'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975




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Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 10:44am Message 3 of 27
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
I agree....prolly a temp sensor installed there at some point. It's too low to be a turbo line return.


Joel Adams
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Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 12:08pm Message 4 of 27
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Gig Harbor, WA - USA
Joined: 10/2/2014
Posts: 405
Vette(s): 1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.
Hey Jim, pretty bizarre plug. Nice original pan and they did that ?? Well the good news is the pan can be replaced without removing the motor. I think we should be allowed to go back and shoot some of these previous owners. Some people should stick to beat up Camaro's and Mustangs !!


John Sigmund
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Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 12:40pm Message 5 of 27
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Newark, DE - USA
Joined: 7/26/2004
Posts: 468
Vette(s): 1968 Conv, 454HO,500HP-600TQ, TKO-600,3:70 HD rear,hotrod air, custom paint & suspension,1973 Ruby Red,T-top, 383 Stroker, TK)-500,frame off restro, 1967 Dodge Coronet, 340 stroker to 406, Dana 60
I would drop the pan & weld a plug in place then grind smooth & paint . Not to hard of a job & if you don't weld it wouldn't cost much for some to do it for you. I agree buba's should be punished, they seem to cause more problems than the old cars do..
Alan



                                               

Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/18/16 5:05pm Message 6 of 27
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Joined: 11/29/2015
Posts: 47
Vette(s): 1973 Convertible, L48, 4 Speed, PS, Numbers Matching, Mille Miglia Red, Dark Red Interior NCRS Top Flight Award Chapter/ June 2016
Thanks Joel for taking care of the photo for me. Yes, it is hard to believe that someone would do something like that. No doubt Bubba left his mark here! I am going to eventually fix it, either by replacing the pan, or having a better patch welded in as suggested above. Having never dropped an oil pan on a vette is there anything inside the pan I'll need to be concerned with? Can I just drain it, remove the bolts and down she comes? And, will it clear the power steering unit? Thanks guys!


Tooch1 Pittsburgh Tri State Chapter NCRS Laurel Valley Corvette Club

Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/19/16 3:54pm Message 7 of 27
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Dunedin, FL - USA
Joined: 3/21/2006
Posts: 262
Vette(s): 1980 Corvette Torch Red with Gold metallic 370HP/350 CU.IN.Turbo 350 w/shift kit.Originally CA.Car with 305 CU.IN.

Tooch,Depending on your engine and the pan you have,it may be necessary to remove or rather loosen and lower the steering plunger center link.

I have had to change pans on a Vette in the past that was just a little bigger than the one I took out,however not to worry.
If you need to get by the steering and can not then,you would go to the idler arm (right side on the frame) scribe an outline of the Idler arm so it will go back to it's original place.You should be able lower Arm,steering center link etc.and take pan bolts out and drop the pan.I would have everything ready with either a replacement pan(I would suggest buying another not use the tampered pan)and replace the pan ASAP and re bolt the idler arm.
It's not as bad as it sounds.
I don't have a picture of the Idler arm in place on the frame,however Joel or another member may have a picture of the Idler arm.
Good luck 
    Sal C



Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/20/16 6:19am Message 8 of 27
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Joined: 11/29/2015
Posts: 47
Vette(s): 1973 Convertible, L48, 4 Speed, PS, Numbers Matching, Mille Miglia Red, Dark Red Interior NCRS Top Flight Award Chapter/ June 2016
Thank you Sal, I know where the idler arm is located. I was hoping the pan removal wouldn't require anything else to be touched, but I don't think it will clear. I'm probably going to have my mechanic help me with this job. It will be a lot easier to do on his lift. More so, than me lying on my garage floor trying to to do the job.


Tooch1 Pittsburgh Tri State Chapter NCRS Laurel Valley Corvette Club

Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/20/16 7:16am Message 9 of 27
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Dunedin, FL - USA
Joined: 3/21/2006
Posts: 262
Vette(s): 1980 Corvette Torch Red with Gold metallic 370HP/350 CU.IN.Turbo 350 w/shift kit.Originally CA.Car with 305 CU.IN.

Agree to the lift,it will be a lot easier.I did mine in my driveway and it was a narrow driveway.Nevertheless I got it done.

Good luck, you will not have a problem.
   Sal C



Re: 73 SB Oil Pan Side Plug Repair???

Posted: 2/20/16 8:59am Message 10 of 27
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leesburg, FL - USA
Joined: 7/19/2014
Posts: 195
Vette(s): 1979 coupe and now 2007 c-6
hi   when pan is off  have a good scraper and make sure all the old gasket is off    double check you don't want oil leaks and have do to over  everybody says ok but  leave some gasket you will have leaks  hate to see you do it twice.  dwa  


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