What's your normal shutoff temp spike?
09-23-04, 07:29 PM
#1
Speed Mach Go Go Go
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What's your normal shutoff temp spike?
With engine off, turbo time off, a/c switch off. I hit 200C with the hood closed and 91C with the hood open. I wasn't wearing a watch but it does take several min (3-5 maybe). I'm thinking of wiring my turbo timer to the fans instead of the ignition.
09-23-04, 09:23 PM
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I would think that even if the fans are running, the coolant isnt going to be circulating through the engine (where you need to worry about the heat). Although any kind of cooling is better than nothing.
Having your turbo timer wired to the fans would be more effective if you had an electric water pump turbo timed also, i would think.
Also, isnt the turbo timer wired to the ignition to keep oil/coolant going through the turbo? hence the name "turbo timer?"
What do i know though, my FD doesnt even have an engine in it
Having your turbo timer wired to the fans would be more effective if you had an electric water pump turbo timed also, i would think.
Also, isnt the turbo timer wired to the ignition to keep oil/coolant going through the turbo? hence the name "turbo timer?"
What do i know though, my FD doesnt even have an engine in it
09-23-04, 09:53 PM
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The turbo timer just keeps the engine on at idle. It does nothing for the heat spike after shutoff. Since leaving the hood open makes about a 10 degree difference, then maybe a vented hood is the solution, but is it the only one. The electric water pump with the turbo timer may be a good alternative.
09-23-04, 10:05 PM
#4
I'm a CF and poop smith
Originally Posted by GoRacer
With engine off, turbo time off, a/c switch off. I hit 200C with the hood closed and 91C with the hood open. I wasn't wearing a watch but it does take several min (3-5 maybe). I'm thinking of wiring my turbo timer to the fans instead of the ignition.
200c=392f
no way your engine is still running if it went that high!
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09-24-04, 12:33 AM
#8
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that is not a general engine coolant temp spike .... It's the thermal loop to back of wp from the turbos, and return by way of turbo hose to lower wp inlet from rad.
09-24-04, 09:48 AM
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Last night in 90F weather I parked my FD and came back from shopping and the temps were 115C.
It dropped down to mid 80's when I started up the engine and hit the freeway.
It dropped down to mid 80's when I started up the engine and hit the freeway.
09-24-04, 01:23 PM
#15
I'm a CF and poop smith
Originally Posted by scratchjunkie
^ w3rd my gauge will read maxed out @250f, but then drops quickly once the coolant/water is flowing again.
where is your sensor located? 250 degrees is not normal at all unless you dont have enought water in your system and the water is boiling or something. you might wanna try burping your system.
09-24-04, 07:20 PM
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Originally Posted by skunks
where is your sensor located? 250 degrees is not normal at all unless you dont have enought water in your system and the water is boiling or something. you might wanna try burping your system.
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