umm which way does this gasket go? - Chevelle Tech
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  #1  
Old Oct 10th, 11, 4:58 PM
Bullcrappy Bullcrappy is offline
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Bull
 
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Default umm which way does this gasket go?

i put these aluminum exhaust gaskets on made leak worse so im guessing i put it on backwards??

on side is recessed... i put the lip facing out towards the header thinking it would seal around the flange?

here is the gasket and see pics below.

http://www.jegs.com/i/Mr-Gasket/720/...rentProductId=




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1969 Chevelle Malibu
73k miles
350/330 crate motor
200-4r w/2400 stall
4.11 rear
Holley 4160 600cfm
Original console and bucket car
disc brakes
aluminum rad/elec fans
QA1 adjustable shock/new springs/new tubular control arms


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  #2  
Old Oct 10th, 11, 5:10 PM
Hi-po SS 454 Hi-po SS 454 is offline
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Default Re: umm which way does this gasket go?

Bull, the only choice YOU have left it is to try the other side no matter what anyone says.
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  #3  
Old Oct 10th, 11, 5:13 PM
Bullcrappy Bullcrappy is offline
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Bull
 
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Default Re: umm which way does this gasket go?

true true... just now im wondering i got a cracked header or something....

i guess i will just try other way...


Quote:
Originally Posted by Hi-po SS 454 View Post
Bull, the only choice YOU have left it is to try the other side no matter what anyone says.
__________________
1969 Chevelle Malibu
73k miles
350/330 crate motor
200-4r w/2400 stall
4.11 rear
Holley 4160 600cfm
Original console and bucket car
disc brakes
aluminum rad/elec fans
QA1 adjustable shock/new springs/new tubular control arms


http://photobucket.com/Rich69Chevelle
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  #4  
Old Oct 10th, 11, 5:23 PM
Hi-po SS 454 Hi-po SS 454 is offline
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Richy Rich
 
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Default Re: umm which way does this gasket go?

I had one header that kept leaking with numerous new gaskets. Turned out that Hooker didn't do a good weld around one port on the header which didn't let the gasket seal properly. causing that ugly tick tick tick tick.
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Rich
71 SS clone, MJ 468" 570 HP Hyd Roller M22W (autogear) Muncie 4 sp 12B 3.55 posi...
76 trans Am
01 HD Deuce
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Walk around vid:
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  #5  
Old Oct 10th, 11, 5:30 PM
bracketchev1221 bracketchev1221 is offline
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Default Re: umm which way does this gasket go?

I would have thought flat side to the header. The head is always a good surface to seal to so that doesn't need help. The headers are junk, so they need a surface that will mold to it.
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  #6  
Old Oct 10th, 11, 6:19 PM
Bullcrappy Bullcrappy is offline
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Bull
 
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Default Re: umm which way does this gasket go?

thats what i did.. will call mr gasket tomorrow. no instructions i guess i should have just known...


Quote:
Originally Posted by bracketchev1221 View Post
I would have thought flat side to the header. The head is always a good surface to seal to so that doesn't need help. The headers are junk, so they need a surface that will mold to it.
__________________
1969 Chevelle Malibu
73k miles
350/330 crate motor
200-4r w/2400 stall
4.11 rear
Holley 4160 600cfm
Original console and bucket car
disc brakes
aluminum rad/elec fans
QA1 adjustable shock/new springs/new tubular control arms


http://photobucket.com/Rich69Chevelle
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  #7  
Old Aug 2nd, 12, 10:21 PM
Autoengineer Autoengineer is offline
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Default Re: umm which way does this gasket go?

I know this post is kind of old, but I had the same question and I couln'd find an answer here. I got on Percy's website and they had a Q&A section....here's what they say.

“Which way do I install the Seal-4-Good Flange Gaskets?” A: With the exception of the Big Block Ford Part #66035, all flange gaskets are installed with the smooth side out. There is a smooth rounded side and a sharp cut side, this sharp side goes on the head and the smooth side goes on the header flange.
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  #8  
Old Aug 3rd, 12, 3:44 PM
CoolBlueGlow CoolBlueGlow is offline
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Keith
 
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Default Re: umm which way does this gasket go?

Chevelle Header Quick Installation Guide v6.4b


Step 1: Install headers - remove headers, tweak pipe clearances and reinstall headers
Step 2: Remove headers and tweak clearances again, reinstall and tighten bolts. Start car:
Step 3: scratch head at tickticktick leaking sound
Step 4: flip gaskets, retighten and start car
Step 5: repeat step 3
Step 6: re-tighten bolts again
Step 7: repeat step 3
Step 8: replace gaskets supplied with headers with "extra high quality super duper guaranteed no-leak" header gasket, tighten bolts and start car
Step 9: repeat step 3
Step 10: remove headers, sell on eBay, install cast iron manifolds, tighten bolts, drive car.

:-)

Keith
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  #9  
Old Aug 3rd, 12, 4:29 PM
Bullcrappy Bullcrappy is offline
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Default Re: umm which way does this gasket go?

i got them installed right and they are the best thing ever. sounds gr8 with no tick.

running cast iron manifolds is silly unless you got an all original car.
__________________
1969 Chevelle Malibu
73k miles
350/330 crate motor
200-4r w/2400 stall
4.11 rear
Holley 4160 600cfm
Original console and bucket car
disc brakes
aluminum rad/elec fans
QA1 adjustable shock/new springs/new tubular control arms


http://photobucket.com/Rich69Chevelle
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  #10  
Old Aug 4th, 12, 5:10 AM
Mr69 Mr69 is offline
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Location: Paso Robles, CA
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Default Re: umm which way does this gasket go?

If you want to really get a good seal, have the headers surfaced at a competent machine shop. Install copper gaskets. (Or NO gaskets at all). Use the Stage 8 locking bolts.
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  #11  
Old Aug 4th, 12, 5:49 AM
bdr66 bdr66 is offline
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Posts: 997
Default Re: umm which way does this gasket go?

Quote:
Originally Posted by CoolBlueGlow View Post
Chevelle Header Quick Installation Guide v6.4b


Step 1: Install headers - remove headers, tweak pipe clearances and reinstall headers
Step 2: Remove headers and tweak clearances again, reinstall and tighten bolts. Start car:
Step 3: scratch head at tickticktick leaking sound
Step 4: flip gaskets, retighten and start car
Step 5: repeat step 3
Step 6: re-tighten bolts again
Step 7: repeat step 3
Step 8: replace gaskets supplied with headers with "extra high quality super duper guaranteed no-leak" header gasket, tighten bolts and start car
Step 9: repeat step 3
Step 10: remove headers, sell on eBay, install cast iron manifolds, tighten bolts, drive car.

:-)

Keith


Lucky for me it was...

Bead blast shipping paint off
Spray high temp paint on
Slip headers in and bolt up with supplied gaskets
Check for clearance around things
Push both headers in towards the oil pan to gain clearance around a-arm pockets
fire up and bake the high temp paint on
Let cool a few minutes and re-snug up the bolts
Enjoy

Never really had a problem using cheepo header gaskets, just need to be snugged up after the first 5 short drives or so.
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