Grandavi;2073429 said:
I live out in Dallas, TX. What do you mean by explained in detail? Like everything you put into it?
The Small Questions Thread
- Thread starter RPSil13
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I live out in Dallas, TX. What do you mean by explained in detail? Like everything you put into it?
Yes (redone head, cleaned up engine bay, etc) along with pointing out rarity and how hard it was to finds similar replacement...
Grandavi;2073437 said:
Sweet so glad I kept the invoices of everything, hopefully they cover all of that.
Hey guys. This question goes here but i think its bigger than small question.
My Supra doesnt go anywere when warm and hot. The thing is - when warm, the more boost it makes - worst it goes, i do make 8 psi but it feels like i have 130hp max, if i let off and go with 20% throttle it goes ok because boost drops.
When cold (yes i did 1 power run when cold and i feel bad about it but had to test it) it goes just fine with no issues and feels like 8psi should feel like.
i have brand new O2 sensor.
Where to start digging?
My Supra doesnt go anywere when warm and hot. The thing is - when warm, the more boost it makes - worst it goes, i do make 8 psi but it feels like i have 130hp max, if i let off and go with 20% throttle it goes ok because boost drops.
When cold (yes i did 1 power run when cold and i feel bad about it but had to test it) it goes just fine with no issues and feels like 8psi should feel like.
i have brand new O2 sensor.
Where to start digging?
Start with codes. Even if light is not on still check.
Then check for boost leaks.
Then start checking for bhg. Compression test , leak down test, block test.
Then check for boost leaks.
Then start checking for bhg. Compression test , leak down test, block test.
Quick question and I'm not sure if I'm able to do this or not. I rebuilt my 7mgte 20k~ miles ago and need to replace rod bearings and possibly mains too.
Is it possible to pull the crank without pulling the rear timing cover? If not, am I able to run a new MHG without having the block or head surfaced.
No overheating issues whatsoever, just the lower end bearings.
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Is it possible to pull the crank without pulling the rear timing cover? If not, am I able to run a new MHG without having the block or head surfaced.
No overheating issues whatsoever, just the lower end bearings.
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is it possible that some antifreeze would leak out of overflow tank if i would top up fluid to max capacity in radiator? it happened after engine heat up and happened only once and it wasn't that much that came out. Also temp is normal and thermostat seems to work fine - in cluster gauge is see temp climbing and dropping slightly (i guess when thermostat is opening/closing - this is something new for me though since its first time i have thermostat in my car in 3 years 
)
engine is rebuild with new everything
)engine is rebuild with new everything
If rad is full and overflow bottle is full, possible. The expansion is about 1-2" in the overflow bottle.
Only one time, no worries. But if it reoccurs, start watching closely. Mine only pushed coolant out under boost. Was just one spot on the head that would allow gas out.
Only one time, no worries. But if it reoccurs, start watching closely. Mine only pushed coolant out under boost. Was just one spot on the head that would allow gas out.
It's actually an expansion tank and you should have one. It's not going to cause huge issues but it is therefor an important reason. It prevents you from drawing air into the cooling system.
hvyman;2076833 said:
I just swapped engine. This one is built 7M 84mm bore with new everything. block/head prepped, 1.8mm Cometic HG + ARP combo. Still breaking it in so i believe this should not be an issue.
and i just changed radiator cap, the one that i had looked new but i swapped to 1.1bar cap to see if it still leaks - no it doesnt. heats up to 110C though
So might have been the cap.
But you still don't have an overflow tank? Do you understand how a cooling system is designed to function?
If you don't have an overflow then that's why it was leaking out. You need a overflow. And the cooling system expands and contracts coolant is pushed in to the over flow and sucked out the over flow. Without one you are letting air into the system which is not good.
Yeah guys i know that. Im not the one who wrote about not having overflow tank. I know physics and water expansion when hotter and all that....
Anyway - now im having 1.1bar radiator cap with temp gauge in it. i get max of 110C and its not leaking anymore.
Anyway - now im having 1.1bar radiator cap with temp gauge in it. i get max of 110C and its not leaking anymore.