lost comprsion on a cylinder or two any ideas 2000 454 mag
07-05-2005, 03:55 AM
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Re: lost comprsion on a cylinder or two any ideas 2000 454 mag
Originally Posted by liquid asset
Now I have water in the oil, like full, I guess that could mean I f'ed up the intake gasket?
07-06-2005, 08:11 AM
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Re: lost comprsion on a cylinder or two any ideas 2000 454 mag
Ok thanks for the info, I also think a problem may have been trying to get out by the 4rth and could'nt find marine gasckets, and used auto gaskets, mabye they are a different thickness??
07-06-2005, 08:27 AM
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Re: lost comprsion on a cylinder or two any ideas 2000 454 mag
I've used automotive gaskets with no problems. You may want to presurize your coolant system to determine exactly where your problem may be. Could even be your intake gaskets. Go with the easy stuff 1st.
07-06-2005, 07:13 PM
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Re: lost comprsion on a cylinder or two any ideas 2000 454 mag
I assumed the intake, but I am gonna tear it back down and replace all gaskets with the mercruiser parts and use the thread sealer on the head bolts and go from there
07-08-2005, 04:12 AM
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Re: lost comprsion on a cylinder or two any ideas 2000 454 mag
Would'nt hurt to run a thread chaser thru the head bolt threads. If your head bolts have questionable threads, replace them. ARP makes an excellant thread sealer.
When you install your intake, get rid of the rubber valley gaskets! Place the maifold on the block to gauge the amount of silicon you'll need.
Check the mating surfaces on your inteake and heads on each of the four corners. May not hurt to dab a bit of aviation sealer on that as well.
GOOD LUCK>
When you install your intake, get rid of the rubber valley gaskets! Place the maifold on the block to gauge the amount of silicon you'll need.
Check the mating surfaces on your inteake and heads on each of the four corners. May not hurt to dab a bit of aviation sealer on that as well.
GOOD LUCK>
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