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coolin problems

 
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Old 07-26-2007, 08:16 PM
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coolin problems

allright guys gotta big problem with my 2000 prelude. seeing if anyone has ever experienced this with theirs. the cars motor is completely built(i cut NO corners) greddy 18g turbo, je pistons and rings, greddy intercooler, hks bov,AEM cam gears,pulleys,fuel system,5 bar map sensor,and stand alone engine managment computer, greddy evo exhaust, msd ignition, high flow cat,upgraded spark plugs..alot of other stuff that would have nothing to do with this problem... when im driving it regularly its fine, its when im gettin on it and the boost is kicking in that im having this problem. the radiator is pushing coolant out of itself and back into the the reserve and its over flowing all over the place..and i cant seem to diagnose the problem because it wont do it at idle. weve pressure tested the car and nothing comes up as a malfunction. any help here would be great.. thnx!!!
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Old 07-26-2007, 09:10 PM
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no one!!!???
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Old 07-28-2007, 04:31 PM
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I have a 98 with I/H/E,MSD coil,cams,and large Koyo radiator and occasionally have the same problem, sometimes driving down the highway and once at fast idle 3000 rpm sitting still. I have not figured it out yet but had some of the same issues with my old 94si with an H23. I replaced the radiator twice in the 94 because high pressure damage. I had replaced the thermostat, radiator cap, and water pump in an attempt to fix the problem with my old 94 but still had coolant overflow problems. I can only speculate that perhaps an intermittent sticking thermostat could cause the problem. Lets hope someone has a better idea as to what's going on here.
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Old 07-29-2007, 08:30 PM
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Have you pressure tested the radiator cap itself? Try replacing it?
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Old 07-29-2007, 08:37 PM
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i take it the engine was sleeved...??
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Old 07-30-2007, 12:13 PM
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replaced thermostat replaced radiator cap with high pressure racing radiator cap, pressure testing has been done and no luck..yes engine is sleeved along with new head studs,pistons and rings..my mechanic thinks its gonna be a blown head gasket..

Last edited by fusionlude78; 07-30-2007 at 12:25 PM.
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