drftinmx6

iTrader: (6)

Hey guys, me and a buddy of mine did a fresh rebuild on my TII motor. reason we did the rebuild was because water froze inside the motor and blew out one of my rear coolant seals completely. when we took the motor apart we inspected all the housings and found no issues, so we continued with the rebuild, put the motor in the car. we even test cranked the car a couple of times, and it ran great. but the oil pan gasket was leaking so we had to pull it off, get anohter gasket and reseal it. after that epic job was done we test cranked the car again to check the oil pan gasket and the car started running like ****. it was very slow reving up, and it sounded like it was only running on one rotor. we even pulled the spark plugs and i believe the front rotor wasn't firing at all. anyways we were like screw it so we put the cooling system on and poured antifreeze into the radiator and when we took off the upper intake, we saw coolant was filled to the top in the upper intake manifold ports!! we turned the motor over a few times manually and coolant started pouring out of the housings. wtf does this mean? could one of my intermediate housings, or my rotor housings themselves be cracked? i don't think there's any way it could be the coolant seals, because they were brand new! I really need a second opinion on this before we pull the motor back apart.

drftinmx6

iTrader: (6)

if anybody could give me any input that would be greatly appreciated, we really want to get the 7 running ASAP

SonicRaT

iTrader: (6)

Did you check/replace the freeze plugs that probably got pushed out when the water froze in it?

texFCturboII

iTrader: (17)

Well you are going to have to pull the motor apart again anyway to see where the heck you went wrong. If a housing was cracked you would notice it immediately, the same with an iron. Maybe when you re-assembled the thing a coolant seal snagged?

drftinmx6

iTrader: (6)

wow, we actually found the problem without having to pull the motor, the rear iron intake port has a HOLE in it since i have a pretty large streetport and the walls are thin and the motor froze it probably was cracked and finally a chunk just fell out of it. so the coolant is going straight through there instead of going through where the coolant passage is in the rotor housing. AWESOME! lol