Overheat protection

[Bruiser47]

Hello. New to this forum. I am currently running a 1999 5.3 fuel injected engine in my demo derby car. Stand alone harness . My question is when it reaches a certain threshold of temp it starts to .... chug... so to speak. I have been trying zero all tables looking at coolant temp but 2 races in a row it started to go into protection mode. I know I shouldn't want this to not happen but I do. I want to be able to melt it down if needed. Please do not tell me not to. No replies would be better then negative ones. Any suggestions would be helpful. During this events I have not experienced any knock to speak of. Just no throttle and power. I am running a cable throttle.i am to the point I may just find the proper resistor and install into the temp sending pigtail to trick it into thinking its 200 at all times... help

[mbray01]

temperature based spark correction, zero it

temperature based and iat based fuel enrichment, zero it at high temps

then make sure cat enrichment is off

its likely getting so hot that it just floods the engine

[Bruiser47]

So. I purchased a 220 ohm .25 watt resistor. Is this the proper wattage to trick my ecm? All the reading I did pointed towards the. 25 watt. Any help is appreciated

[3strokeEngine]

He just gave you the help you needed 6 days ago.

But do it your way lol

[Bruiser47]

This resistance is equivalent to 199 degrees. I checked it on my daily nova with 6.0. I have been around these for a min. Just not melting them down. I had already zeroed those tables before I asked for help. 1 person offered and it's not the cure. This resistor will tell me if it's a component getting hot and shutting down or actual over heat protection. Like I said before. That's for the help but if you are not giving info then move on.

[Schwanke Engines]

Hello. New to this forum. I am currently running a 1999 5.3 fuel injected engine in my demo derby car. Stand alone harness . My question is when it reaches a certain threshold of temp it starts to .... chug... so to speak. I have been trying zero all tables looking at coolant temp but 2 races in a row it started to go into protection mode. I know I shouldn't want this to not happen but I do. I want to be able to melt it down if needed. Please do not tell me not to. No replies would be better then negative ones. Any suggestions would be helpful. During this events I have not experienced any knock to speak of. Just no throttle and power. I am running a cable throttle.i am to the point I may just find the proper resistor and install into the temp sending pigtail to trick it into thinking its 200 at all times... help

Trying to figure this out myself as well on EFI Live there is an engine protection section where you can just max out the engine overheat protection shut down to 140 Deg Celsius and also turn the over heat timer to 409 seconds before becoming active and make the re enable the same thing so it basically cannot enable any overheat protections. But cant find these tables in HP Tuners.

[blindsquirrel]

Trying to figure this out myself as well on EFI Live there is an engine protection section where you can just max out the engine overheat protection shut down to 140 Deg Celsius and also turn the over heat timer to 409 seconds before becoming active and make the re enable the same thing so it basically cannot enable any overheat protections. But cant find these tables in HP Tuners.

https://forum.hptuners.com/showthrea...l=1#post577551