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SupraBOY
Regular


Location:
Yeppoon/Rockhampton
Registered:
September 2002
 
Blowing Exhaust Manifold Gaskets on MA61 Fri, 06 December 2002 11:35 Go to next message
ok. since i had my new engine installed about 4 - 5 months ago i'm currently on my 2nd exhaust manifold gasket. the last gasket was installed no more than 6 - 8 weeks ago and i can start to hear this one blowing too.

What would the cause of this be? Old exhaust manifold on new engine block warped. Bad installation. or Falty gaskets. the gasket that they put on it 2 months ago was supposidly thicker than the stock one recommended.

Even though i'm covered for 3 years for this sorta problem the mechenics (dodgy ass place) is going to get sick and tired of replacing my gaskets every 2 months.

Any thoughts on what i should do? should i keep hitting them up and say that they aren't installing it right, or is the problem so bad that i really need a new exhaust manifold.

Would like ya comments on this issue.
thanks
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Norbie
Forums Junkie


Location:
Brisbane
Registered:
May 2002
Re: Blowing Exhaust Manifold Gaskets on MA61 Sat, 07 December 2002 10:45 Go to previous messageGo to next message
Are all of the exhaust manifold bolts done up correctly? It's relatively easy to strip the threads in the alloy head (I did it a couple of times) so it's quite possible that it's not bolted down tight enough... which would certainly lead to a blown gasket.
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mrshin
Forums Junkie


Location:
Montrose, VIC
Registered:
May 2002
 
Re: Blowing Exhaust Manifold Gaskets on MA61 Sat, 07 December 2002 14:10 Go to previous messageGo to next message
Check:

1. That the head and manifold are both square, no warped surfaces

2. That all bolts are doing up well

3. That theres no lumps on the surfaces

4. Use a Toyota gasket, with the metal firing rings - infinitely superior to those cardboard cheapo ones!
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mrshin
Forums Junkie


Location:
Montrose, VIC
Registered:
May 2002
 
Re: Blowing Exhaust Manifold Gaskets on MA61 Sat, 07 December 2002 14:13 Go to previous message
Awww yeah, and use a heap of CRC maniseal - works good that stuff!
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