AAAARRRGH!! Milkshake AGAIN!!!!!!!
#71
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
Originally Posted by formula31
No, you are referring to the top threaded intake holes on the heads. Some manifolds dont use them.
Cstraub is referring to an extra set of threaded blocks added to the intake valley area right below the heads to add head bolts and allow better clamping on the intake side of the head. Some aftermarket blocks come with these and they can be added to stock blocks.
Cstraub is referring to an extra set of threaded blocks added to the intake valley area right below the heads to add head bolts and allow better clamping on the intake side of the head. Some aftermarket blocks come with these and they can be added to stock blocks.
At this point, I am praying it was the intake manifold gasket or a leaky riser gasket and not a head or block problem.
Cig - The intake and blower are back on and I didn't pressure test the block. I figured that it was a waste of time since I knew it leaked. I did however eliminate the exhaust manifolds by individually pressure checking them. Both tested good.
#72
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
Originally Posted by Rock it
The other source is cold oil. If you don't build any oil temp, the condensation will build up. A oil thermistate may solve this problem
I am going to bypass the oil cooler for the first few test runs to make sure my oil temps get up a bit and to eliminate the oil cooler as a source of the leak. I run an oil temp gauge so I can keep an eye on it.
#73
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
If you still have the headers off, pressure test the block. I had a Merlin head with a pin hole (defective casting). Would be alot easier to do this now. Besides cost of gaskets.
#74
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
I went through a similar situation only ProCharged. Mine was a head gasket problem use Cometic gaskets and stud the motor if its not. Also check water pressure, you may want to put a relief valve on.
#75
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
FINALLY got everything back together. I did one oil change after a 5 minute idle in the driveway with a can of engine sludge remover and six quarts of cheap oil. I bypassed my oil cooler because I wanted to get my oil temps up quickly. Then off to the lake for a real test....
I ran for a solid hour seeing oil temps to 240 or so. Water pressure around 22#. Pulled the dipstick several times and all looks good!!!!! I didn't even see any residual sludge from the old oil so it looks like I did a good job cleaning things up while it was apart.
Today I need to drain out the cheap oil and toss that silly cheap Fram oil filter. Put in some good stuff in and I should be good to go!
CONCLUSIONS:
It was either an exhaust manifold riser or a leak at the intake manifold water port. I suspect that a crack in the iron somewhere or a head gasket failure would have shown it's ugly head right away yesterday. It could still be the oil cooler since it was bypassed yesterday. I may just replace the stock merc cooler with a nice polished aluminum one and a t-stat.
IN ANY CASE, THANKS TO THE MEMBERS OF THIS FORUM THAT CHIMED IN WITH ADVICE!!!!!!
I ran for a solid hour seeing oil temps to 240 or so. Water pressure around 22#. Pulled the dipstick several times and all looks good!!!!! I didn't even see any residual sludge from the old oil so it looks like I did a good job cleaning things up while it was apart.
Today I need to drain out the cheap oil and toss that silly cheap Fram oil filter. Put in some good stuff in and I should be good to go!
CONCLUSIONS:
It was either an exhaust manifold riser or a leak at the intake manifold water port. I suspect that a crack in the iron somewhere or a head gasket failure would have shown it's ugly head right away yesterday. It could still be the oil cooler since it was bypassed yesterday. I may just replace the stock merc cooler with a nice polished aluminum one and a t-stat.
IN ANY CASE, THANKS TO THE MEMBERS OF THIS FORUM THAT CHIMED IN WITH ADVICE!!!!!!
#78
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
Originally Posted by US1 Fountain
That's great. My money is on the intake gasket not sealing. Did you torque it differently this time?
25 ft-lb, then 30 ft-lb, then 35 ft-lb. Each time it took me about six times through the torque sequence until the first bolt in the sequence was at the correct torque.
I hope exposure to temps does not relax things too much. You have to remove the blower to access four of the intake bolts.....so I can't easily check them.
#79
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
Originally Posted by Grog
25 ft-lb, then 30 ft-lb, then 35 ft-lb. Each time it took me about six times through the torque sequence until the first bolt in the sequence was at the correct torque.
#80
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Re: AAAARRRGH!! Milkshake AGAIN!!!!!!!
BTW...
If it was just an exhaust manifold riser leak all along, I still don't regret tearing further into the intake. You would not believe (or maybe you would) the amount of yellow snot that was hanging from the underside of my intake manifold. It would have taken forever to clean all of that crud out of there by simply changing the oil.
It also gave me some peace of mind knowing that a thorough torquing operation was performed on the intake bolts.
I still have some condensation issues (which I think are standard issue for a marine blower setup) that I have had from day one to work out. Back to the search tool.....keyword "condensation".
If it was just an exhaust manifold riser leak all along, I still don't regret tearing further into the intake. You would not believe (or maybe you would) the amount of yellow snot that was hanging from the underside of my intake manifold. It would have taken forever to clean all of that crud out of there by simply changing the oil.
It also gave me some peace of mind knowing that a thorough torquing operation was performed on the intake bolts.
I still have some condensation issues (which I think are standard issue for a marine blower setup) that I have had from day one to work out. Back to the search tool.....keyword "condensation".