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#1 |
Stock
Join Date: Sep 2008
Location: Northern, NY
Posts: 18
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Its completely stock. Nothing at all done to it. Its weird because the car runs like a top. Just randomly overheats. Definitely not a all the time deal. Once in a while. And it stopped spewing when i changed the thermostat housing bolts from the leak i acquired from the bolt i broke
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#2 |
7M POWAH! ;)
Join Date: Jun 2004
Location: New Zealand
Posts: 2,312
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To verify, I would get the engine warm and do another compression check. Let us know the numbers (so write them down hehe) and we'll go from there. We don't want you pulling off a head unecessarily
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Please use the forum to ask your questions as they will get replied to much faster than pming me ![]() Pics of my build. "Good girls are just bad girls that don't get caught" ![]() Do a diagnostic first! |
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#3 | |
Stock
Join Date: Sep 2008
Location: Northern, NY
Posts: 18
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Yea.. good god that wouldn't be cool. And yes, of course the engine was cold. Its very difficult to work on top of that engine when its hot... Heat burns.. But i'll give it a shot. ![]() |
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#4 |
Stock
Join Date: Dec 2008
Location: USA
Posts: 14
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i have an 88 stock supra 5-spd (non-turbo) and recently found out that the gaskets/torque settings have to be changed from factory standard. Several years ago the car starts randomly overheating. At first it was slightly hotter than normal, nothing suspicious in the oil or exhaust (that i remember) then one day it starts to boil into the red, the gasket went and i sent out a smoke screen for half a mile. I bought steel reinforced gaskets and i believe the new torque settings are 72lbs (Original was 59lbs i think). Im back on the road and watching things closely.
supra is a great car but i wish i found out earlier what problems it had so i could anticipate them before they happened. im learning on the go. |
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#5 |
3" Exhaust
Join Date: Jan 2009
Location: San Diego
Posts: 50
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Well I've got some overheating on my 87 NA supra. The engine seems to run fine but then a lot of steam starts coming out of the exhaust and the needle starts to go to the red. Thermostat has been replaced and all hoses have been checked. What else should I look for before taking the head off?
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#6 |
Stock
Join Date: Dec 2008
Location: USA
Posts: 14
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i have recently found out that my supra is very outside air temperature sensitive, for some reason it leaks a little rad fluid in the exhaust(about a half quart every 100 miles) when the air temp falls below 35 degrees. so i have to keep tabs on the coolant level. also you might want to check your resevoir, to see if it fluctuates, if its always the same or just going out and not going in then there is a system leak somewhere. not sure what else to look at besides the head gasket. hoses/water pump/ thermostat/ gaskets/ also i believe radiator cap pressure should be 13psi.
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#7 |
3" Exhaust
Join Date: Jan 2009
Location: San Diego
Posts: 50
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Hmmm, well it seems that coolant is only being pushed out of the reservoir tank and not drawn in. How could I identify a leak in the system? Would that be a big enough problem to have steam out of the exhaust?
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#8 |
Stock
Join Date: Sep 2008
Location: Northern, NY
Posts: 18
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ALSO!! I found an exhaust leak.. coming from one of the gaskets between the exhaust manifold and the downpipe.. Could that cause this problem?? The mechanic who did my compression test said it was fine.. I just remember the numbers being weird. It was only cranked for 2 seconds on each cylinder. I didn't think that would give u an accurate reading. And the block test came out clean. All i know is that this problem is very annoying and i can't wait to either fix this issue of get rid of the car.
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