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#1
03-09-2018, 11:32 PM
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Dented oil pan, or typical shape?
Do you think this circled area is dented, or typical? Other than the rust pits I will be getting rid of this weekend, there is really no damage at all. Not sure if I should git rid of these of leave them.
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 68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto 79 10th aniv W72 Trans am 80 Indy pace car Trans am 89 Trans am GTA |
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#2
03-09-2018, 11:57 PM
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Been searching google images & finding a limited supply of picts, put it appears at least the the pan should, or possibly "might" be sort of flat in that area, but maybe not the dents that are there? I also saw a couple picts that looked rounded, but I don't think there were 68 pans. drain was on the side. I realize this area is fairly hidden from sight by the frame, but easy to correct if its wrong now... Not so much later on
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68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto 79 10th aniv W72 Trans am 80 Indy pace car Trans am 89 Trans am GTA |
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#3
03-10-2018, 12:40 AM
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It's dented.
I'd fix it, the crank might hit it. Examples of oil pans that haven't been damaged: 1964 421 HO oil pan.  1959 389 oil pan.  Same 1964 pan after painting. 
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1964 Tempest Coupe LS3/4L70E/3.42 1964 Le Mans Convertible 421 HO/TH350/3.08 2002 WS6 Convertible LS1/4L60E/3.23 1966 VW Type 2 Single Cab Pickup 140hp 2276 1956 VW Type 2 Panel Van 36hp 1200 1957 VW Type 1 Beetle 180hp 2276 |
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#4
03-10-2018, 06:53 AM
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Looks like that Lamnas guy was working on it!
Those two lines look just about right to match a 2X4. |
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#5
03-10-2018, 08:32 AM
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So are you guys thinking it shouldn't even have the flatter area under the windage tray?
Or are you saying just get rid of what looks like dented lines in that area? I was only really questioning the dents, but never considered it was not supposed to be flat. That looks fairly intentiaonal especially from the inside. Do you have any of this style pan for reference by chance? & do you know what years it was used? Amazing how deep the sump areas are in those early pans. Never realized that before.  Here's a pict from the inside.
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68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto 79 10th aniv W72 Trans am 80 Indy pace car Trans am 89 Trans am GTA |
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#6
03-10-2018, 08:48 AM
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That sort of dent happens when a V8 sags in a 67-69 Firebird, I suppose due to motor mount plates.
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#7
03-10-2018, 11:57 AM
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If it were mine, I'd definitely take them out.
Seems I see some dings in the sump area also? |
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#8
03-10-2018, 12:42 PM
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here is a fairly straight 69 pan I have
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#9
03-10-2018, 03:41 PM
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Quote:
Scott, do you know what year that pan is? I noticed mine has two reliefs that I don't see in yours, but maybe those are an anomaly from when the metal is stamped & not something that was ever on purpose. I took the two line looking dents out of my pan, but it no doubt is a little flat in the center. not as prominent with the dents removed, but no way it could ever have been rounded like those earlier pans. I'll post some picts later. Its looking pretty good.
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68 GTO 4-spd Convertible 78 S/E Trans am L78, WS6 Auto 78 S/E Trans am W72, WS6 Auto 79 10th aniv W72 Trans am 80 Indy pace car Trans am 89 Trans am GTA |
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#10
03-12-2018, 03:30 PM
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69
1969 350 w/windage tray
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#11
03-14-2018, 03:07 PM
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1969 pans do have sort of a ridge in that area but they can be dented there, as previously mentioned Fbirds with weak mounts will compress into the frame and engines that are put on the floor with a block of wood to keep them upright get a dent there. You normally get away with it in a 350-400 but with a 428 or even more so a 455 the longer stroke can cause contact there... not good!
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My Break Away Squad 1969 Fbird (base OHC, 350, 400HO & Sprint Cvt’s - 400HO & TA ht’s) 1969 Custom S 2dr ht 1969 LeMans (2dr & 4dr ht & Cvt) 1969 LeMans Safari wagon 1969 GTO (2 Cvt, 2 ht & Judge ht) 1969 Cat (3 Cvt’s & a 2dr ht) 1969 Ventura wagon 2 seat 1969 Exec 4dr post 1969 2 Bonnie Cvt's & 2 wagons 1969 Bonnie Brougham (4dr ht & Cvt) 1969 Grand Prix 2 SJ’s 1969 2+2 2dr ht (Canadian) |
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