Fill it up again Dummy
Join Date: Sep 2012
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How much coolant are you having to put in afterwards?
If you are not venting it out of the coolant recovery cap and you are not leaking anywhere its going somewhere.......
The dirty truth about programmers is: like stated above they can make small problems more noticeable. Tuners advance timing and increase cylinder pressure by several means boost is one.
It could be a head gasket problem, very slight issue with stock cylinder pressures. Crank up cylinder pressure and the leak will increase.
Best way to rule this out is by installing a 30 psi gauge into the cooling system. Normal pressures are around 10 psi + or- 3lbs. Any spikes in pressure under a heavy acceleration is a sure sign of combustion gases entering cooling system.
I hope this is not your issue, but you would be wise to investigate it.
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2006 F250 LARIAT CCSB 4X4
7" Icon/Carli Lift
ARP Studs, O-Ringed Heads
X4 PHP 65 HP Custom Tow Tune
4" SS exhaust
58K Miles on it
2000 Watts of McIntosh Bliss