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BlackStar

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Posts : 312
Join date : 2011-12-19

PostSubject: Intake manifolds?   Tue Jun 11, 2013 11:52 am

Seriously, what is the stock intake manifold made out of?!?!? I broke another stock manifold, same threads too! Anyone have one for sale?
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87AE-82

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Car : 1987 Corolla FWD
Posts : 780
Join date : 2009-05-15
Age : 28
Location : Central Valley California

PostSubject: Re: Intake manifolds?   Tue Jun 11, 2013 10:39 pm

Ive took mine on and off a total of 3 times and ive never had a problem with it. Are you you using a toqure wrench? the spec is only like 22 foot pounds.
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BlackStar

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Posts : 312
Join date : 2011-12-19

PostSubject: Re: Intake manifolds?   Wed Jun 12, 2013 1:03 am

yup. 22? Haynes listed it at 18, nothing big. I have gotten it to the proper rating by building up in four steps, and running the car till its hot in each step. Guess it wasn't hot enough Crying or Very sad
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pholly2008

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Car : 1986 Toyota Corolla SR-5 Kouki Coupe
Posts : 25
Join date : 2013-01-03
Age : 27
Location : Wisconsin

PostSubject: Re: Intake manifolds?   Sat Dec 21, 2013 1:47 pm

Don't mean to troll an old post but it is always important to remember to clean the threading and chase a tap and die through these types of items...Any foreign contaminants that find themselves in the threads will easily cause you to bust an ear or two (trust me I have had it happen).The quality of the intake manifolds on these 4ac motors aren't the greatest quality and tend to have defects here and there. If you are doing this plus truly using the real torque specs you should have had no problem. Could possibly be the fact that these manifolds had prior stress fractures as well...Hope this helps
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