LQ4 pushed coolant
LQ4 pushed coolant I'm seeing very small amount coolant dripping down block between 5 & 7,never seen before but truck has not been run in 2 weeks. Not sure if l'm noticing it because it has been sitting so long and not evaportating off block. I think I'm running to much timing for the amount of boost [14#s at shifts and 20* at WOT] - no kr on logs. The heads have never been off/still running TTY's.
Could this go away if I back down the timing or are the bolts stretched and need replacing? Guessing the latter!
If they need to come off is this what I need for repair?
studs or bolts
ls9 gasket or just stick with lq4 gaskets
Clean heads and block and put back together.
Could this go away if I back down the timing or are the bolts stretched and need replacing? Guessing the latter!
If they need to come off is this what I need for repair?
studs or bolts
ls9 gasket or just stick with lq4 gaskets
Clean heads and block and put back together.
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You can back it down and not push, we did that on a 5.3 a few years ago, it had stock bolts/gaskets, once it pushed we pulled out 3lbs, left timing alone and it wouldn't push, once we turned it back up the 3lbs it would push. We ran it this way for another few months on the street racing the crap out of it and if a race was important enough we turned it up and let it push coolant, about 3 or 4 passes a night is all we would want to do on it though, next day fill it back up with the coolant and keep going.
Oh and spend the money on ls9 gaskets/studs, you'll never have the issue again.
Oh and spend the money on ls9 gaskets/studs, you'll never have the issue again.
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9 Second Truck Club
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Joined: Sep 2006
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From: Colorado Springs, Co/ Central, Ca
Is it pressurizing the cooling system or just leaking between the head and block? About 14psi and 20* has always pushed water on stock tty 6.0L's in my truck after awhile. Trucks seem to push easier due to the load/weight.
skinnies- thanks man
stock48- I don't think it is pressurizing the system because the level still looks full and no signs of coolant near overflow hose. I've smelled coolant after running it but never saw a leak or change in level. Then 3 weeks ago I had another issue and the truck has not been driven since then. Since it has been sitting in the garage I've noticed this slow leak around #7 between the head and the block. The problem is it won't be back on the road for a few more weeks, so I can't turn the tune down and see if it seals up. What do think man, since it's down just put the studs and gaskets in?
stock48- I don't think it is pressurizing the system because the level still looks full and no signs of coolant near overflow hose. I've smelled coolant after running it but never saw a leak or change in level. Then 3 weeks ago I had another issue and the truck has not been driven since then. Since it has been sitting in the garage I've noticed this slow leak around #7 between the head and the block. The problem is it won't be back on the road for a few more weeks, so I can't turn the tune down and see if it seals up. What do think man, since it's down just put the studs and gaskets in?
