news flash!!!!
#16
Three Wheelin'
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Ok sweanders you know how when you blow a headgasket its from combustion blowin it to the cooling jackets rite ....??
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
#17
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hmm.. you mean that cooling pressure exceeds pressure in the cylinder?? now that's just silly ![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
if the cooling system is more pressurized than cylinders, than you should convert it to steam powered 944 imho :>
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
if the cooling system is more pressurized than cylinders, than you should convert it to steam powered 944 imho :>
#18
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Ok sweanders you know how when you blow a headgasket its from combustion blowin it to the cooling jackets rite ....??
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
If the headgasket is blown, any car will get coolant into the cylinder and gases into the coolant. Simple physics. Coolant pressure wont blow even a old headgasket fire ring, youre talking 15/16PSI versus..... Well thousands.
If your headgasket is leaking, then youd have to reinstall it following the procedures. Cometics are picky about how the install goes, or you can get some spray on sealant for it.
If your hoses are leaking, then something else is wrong, like the clamps arent tight or something.
If you still have an issue with coolant pressure, then get Evans NPG Waterless coolant or something.
#20
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Damn!!! This thread is a reason that people are leaving Rennlist... This guy posted an FYI that he has seen a bunch of bad factory caps and all everyone can do is bust his *****??? Why??? you dont even need to trust his word, just take the post as a warning to test your rad cap when you get a new one for piece of mind... It really isnt that hard to believe that there is a bad batch of caps out there!
Mark
Mark
#21
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Damn!!! This thread is a reason that people are leaving Rennlist... This guy posted an FYI that he has seen a bunch of bad factory caps and all everyone can do is bust his *****??? Why??? you dont even need to trust his word, just take the post as a warning to test your rad cap when you get a new one for piece of mind... It really isnt that hard to believe that there is a bad batch of caps out there!
Mark
Mark
don't be such a steam engine basher
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#22
Monkeys Removed by Request
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I agree the negetive posts can be a little much.
There are plenty of threads that are started with incorrect information on this board.
Does this one get attacked because he spells right "rite"?
<just playing devils advocate here since the OP probably doesn't yet realize his information is bad.
There are plenty of threads that are started with incorrect information on this board.
Does this one get attacked because he spells right "rite"?
<just playing devils advocate here since the OP probably doesn't yet realize his information is bad.
#23
Three Wheelin'
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Thanks marky522 I cant seam to get them to understand what is being said .So to the to the other guys get a pressure tester like i said before pump it up to max which is way more then 25 psi more like 60 psi and see what happens!! I put a gauge in line and had it peak at at 60 psi with this cap and the pressure is the most when after the car was turned off of course and would cause slight loss of coolant day by day over night. While setting not when the car was running it stayed around 40 psi STILL too much for the cooling system to handle. but i can see an "I TOLD YOU THREAD" later on but what do I know rite I have just been working on P-car for damn near 15 years
FYI I have also talked to beru threw someone I know at the dealer and was told bout the spring issues with the caps because they no longer make them and all there scrapes where sold off the B rated parts stores so the cap you are buyin as "factory" are just not up to spec leftover from them.
FYI I have also talked to beru threw someone I know at the dealer and was told bout the spring issues with the caps because they no longer make them and all there scrapes where sold off the B rated parts stores so the cap you are buyin as "factory" are just not up to spec leftover from them.
#24
Pro
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This is interesting - I had two track days this past weekend and had a possibly related problem. First day, no coolant problems. Second day, after the second session, I started getting coolant boiling over after shutting off. The engine did not run hot during the track runs. I hard-wired the fans to keep them on throughout the runs and left them on after the runs, and I was still getting boil-over after the third and fourth sessions. I could watch the temp climb after shutting off the engine, so I'd restart it to recirculate the coolant from the radiator, and it would drop back down. Let it sit a while with the engine off, the temp gauge would climb back up, I'd restart it again to recirculate coolant again. This decreased the amount of boilover, but I had to repeat this process about four times to put an end to it.
Is it possible my radiator cap should have been releasing that pressure and wasn't working properly? Any other ideas?
Is it possible my radiator cap should have been releasing that pressure and wasn't working properly? Any other ideas?
#25
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Yep, it is. A series of threads with incorrect information followed by a bunch of people yelling a bunch of crap that was even further from the truth is what caused myself and several others to leave rennlist once before. Sounds like you might need to go replace your radiator cap marky.
#26
Nordschleife Master
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Any time the cap should release pressure is when something is wrong. It should never,ever, release pressure otherwise!
A higher pressure cap is your friend, it will never cause the car to overheat or other bad mechanical things. IF the pressure goes up extremely (like extreme overheating or bad head gasket) it burst a hose if the cap doesn't open.
It will never be the other way around, such as a high pressure cap causing bad head gasket or coolant system failure. So... relax
A higher pressure cap is your friend, it will never cause the car to overheat or other bad mechanical things. IF the pressure goes up extremely (like extreme overheating or bad head gasket) it burst a hose if the cap doesn't open.
It will never be the other way around, such as a high pressure cap causing bad head gasket or coolant system failure. So... relax
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#27
Race Director
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Ok sweanders you know how when you blow a headgasket its from combustion blowin it to the cooling jackets rite ....??
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
Well this is the other way around being the cooling system buildin too much pressure causing it to leak the other way into the combustion chamber and or externally. For examle do this..... put a pressure tester on you cooling system and pump it up to the max on the gauge leave it set you will either leak for the seams on the radiator,hoses and or seap from the headgasket(these engines will have problem with leaks past 21psi in the coolin system) and in my case it was easier for my to do cause im running a cometic headgasket much easier to catch leaks but not blow trust me I know i built many of these engines. It's just not healthy for the car is all im sayin leads to other things
Do you get what im sayin now? I guess I should have worded it alil differently.
![Cheers](https://rennlist.com/forums/images/smilies/beerchug.gif)
![Confused](https://rennlist.com/forums/images/smilies/confused.gif)
#28
Pro
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I think this thread is going to get the attention of people who know a few things about the cooling system, so I want to throw this question out and get some leads on what I may need to fix. If a car is NOT running hot, but then starts spitting coolant from the overflow tube (from the coolant reservoir) a few minutes after shutting it off, what is the problem?????