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Author Topic: pan gaskett  (Read 5001 times)
bob69
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« on: January 03, 2006, 12:22:41 PM »

On a 302 rebuild shoud I put the 1 piece pan gaskett or just go with the stock one ( $40.00 cost diff. ) thanks Bob
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JohnZ
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« Reply #1 on: January 04, 2006, 01:41:08 PM »

The one-piece Fel-Pro gasket is more likely to be leak-free, but you'll see the blue edge of it all the way around the pan. The stock 4-piece gaskets can also be leak-free with careful installation and attention to making sure the flange on the pan is dead flat, especially at the bolt holes. Your call.  Smiley
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'69 Z/28
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scoop
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« Reply #2 on: November 22, 2011, 10:38:05 PM »

Won't the blue edge not be visiblle after you paint the engine? Will this pass for judging?
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JohnZ
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« Reply #3 on: November 23, 2011, 07:34:35 PM »

Won't the blue edge not be visiblle after you paint the engine? Will this pass for judging?

Paint doesn't stick to silicone very well.
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'69 Z/28
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TODD
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« Reply #4 on: November 23, 2011, 08:40:11 PM »

My 302 pan is leak free using the felpro one piece, the paint doen't stick to well but I'll trade a little blue, for a leak free install.
 
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acelr8
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« Reply #5 on: November 23, 2011, 09:04:20 PM »

Fel pro OS 34510T sure isn't $40 around here.Check around. Jeff
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JohnZ
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« Reply #6 on: November 24, 2011, 12:15:50 PM »

<<Fel pro OS 34510T sure isn't $40 around here.Check around. Jeff>>

Make sure you get the right gasket for your oil pan; if your pan is the original, it takes the OS-34509-T gasket, with the "thin" (0.22") front seal. If it's a Service replacement pan manufactured after 1975, it takes the OS-34510-T gasket with the "thick" (0.41") front seal. If you have the later pan and use the earlier gasket, you'll have an oil leak you won't believe.

If you're not sure which pan you have, flip it upside-down on a flat surface (without a gasket) and measure the radius of the front seal opening from the center of the opening down to the bench top. If it measures 2-1/4", it takes the original "thin" front seal gasket (34509); if it measures 2-3/8", it takes the later "thick" front seal gasket (34510).
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'69 Z/28
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bc69
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« Reply #7 on: December 15, 2011, 09:52:54 PM »

Is the 34510 correct for a  L48 ?
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Brad
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Stingr69
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« Reply #8 on: December 16, 2011, 04:52:45 AM »

Is the 34510 correct for a  L48 ?
It is all about the front of the oil pan radius dimensions. The post above with the measurements of your actual pan is what you need to use to determine the right gasket.

-Mark.
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bc69
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« Reply #9 on: December 16, 2011, 07:35:39 AM »

9 thin and 10 thick, but I have seen some reference to left or right oil tube? In one description it described the dipstick as right side thick front for the 34510. Mine and most I've seen are on the left or driver side and thick front gasket?
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Brad
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JohnZ
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« Reply #10 on: December 16, 2011, 12:53:06 PM »

The correct gasket looks like this.
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'69 Z/28
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Stingr69
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« Reply #11 on: December 16, 2011, 02:25:22 PM »

9 thin and 10 thick, but I have seen some reference to left or right oil tube? In one description it described the dipstick as right side thick front for the 34510. Mine and most I've seen are on the left or driver side and thick front gasket?

Much later production engine blocks (maybe 1980's?) can have dipsticks on the passenger side. The small block v8's used during '67-'69 in Camaros would have driver's side dipsticks. Anyone could put a later model block in during an engine swap I suppose.
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jeff68
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« Reply #12 on: December 17, 2011, 09:35:55 AM »

The correct gasket looks like this.

I see in the picture that the gasket comes with hardware.  Does this mean that the gasket is thicker and requires new hardware?
I was going to order this gasket, but I want to be able to use my original hardware.  Can the original hardware be used with this gasket?
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68 L30 / M20 Convertible
Ash Gold
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« Reply #13 on: December 17, 2011, 10:34:47 AM »

Jeff;
 I used my original hardware no problem. I don't remember my gasket coming with hardware?
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JohnZ
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« Reply #14 on: December 17, 2011, 11:59:40 AM »

Both gaskets (34509T and 34510T) come with all new bolts and plastic pan hold-ups; the 34509 has only the left side dipstick hole, as all pre-'75 engines had the "thin" front seal and the dipstick on the left side. The 34510T with the "thick" front seal accommodates both the left-side or right-side dipstick.
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'69 Z/28
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jeff68
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« Reply #15 on: December 17, 2011, 01:05:48 PM »

Thanks John & Todd.
John - Did you use your original hardware as well when installing this gasket on an original oil pan?
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68 L30 / M20 Convertible
Ash Gold
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« Reply #16 on: December 17, 2011, 10:20:36 PM »

I do remeber the gasket has little plastic spacers for each bolt location, and you have to start at the end and work the pan down.
My pan is a GM rplacement part with large end gaps. The little plastic sleeves prevent over compression and consistant gasket unformity.
Good gasket, I also used felpros reusable timing gasket hard metal base with silicone face works well.

Todd
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bc69
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« Reply #17 on: December 17, 2011, 10:36:26 PM »

Just purchased it, all hardware and retainers included just as in johnz's pic.
$25 at OReilly's
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Brad
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bc69
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« Reply #18 on: December 17, 2011, 11:35:32 PM »

Has anybody ran into a 69 that has required the thick front gasket? I
have one that takes thick front and stick is on driver side. All if the engine seems to be original.
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Brad
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JohnZ
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« Reply #19 on: December 18, 2011, 01:57:55 PM »

Has anybody ran into a 69 that has required the thick front gasket? I
have one that takes thick front and stick is on driver side. All if the engine seems to be original.

If it requires the "thick" front seal, you have a Service replacement Z/28 oil pan manufactured after 1975 or a post-'75 production non-Z/28 oil pan.
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'69 Z/28
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Dave69x33
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« Reply #20 on: January 13, 2012, 09:50:06 PM »

I recently rebuilt my 302 and used the Felpro 1-piece gasket. I cleaned it very well with lacquer thinner before painting the engine and paint does stick to the rubber.  Over time, some paint will peal from the gasket but this can be touch up.  I have done this twice and it works well and hides the blue gasket. 
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68Zproject
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« Reply #21 on: December 09, 2012, 04:51:13 PM »

I know this thread is a little past, but can you re-use the one- piece gasket described above?
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68Z28
JohnZ
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« Reply #22 on: December 10, 2012, 10:49:44 AM »

I know this thread is a little past, but can you re-use the one- piece gasket described above?

Yes, you can - that's why it was developed.
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'69 Z/28
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zman1969
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« Reply #23 on: May 08, 2013, 04:31:56 PM »

updating old thread: I just used this 1pc pan and it did not come with bolts - just a FYI much better design than original 4 pc cork and rubber
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Rich

69 RS/Z DZ302 Daytona bumble bee
69 T/A clone LS6/6sp
69 Nova SS 396
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