alpha_omega
Full Access Member
No, I do not have the K5L rpo.
I think it was in conjunction with those models that had a trailer brake or those with the larger rear end.
Keeping coolant and transmission temps under control when towing in the summer heat
- Thread starter Geotrash
- Start date
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I think it was in conjunction with those models that had a trailer brake or those with the larger rear end.
alpha_omega
Full Access Member
I think you are correct. This is why I was asking way back when this thread first started whether an updated alternator was needed for the 700w fan motors. I guess one could potentially verify with the RPO code, cross referencing a vehicle they know came stock with the 700w’s and see what alternator pkg came standard.
KW1 GENERATOR,160 AMP
KW2 GENERATOR,124 AMP
KW3 GENERATOR 135 AMP
KW5 GENERATOR 220 AMP
KW7 GENERATOR 170 AMP
KW8 GENERATOR 155 AMP
KW9 GENERATOR 190 AMP
KXB GENERATOR,DUAL,100 AMP
KX7 GENERATOR 270 AMP
KYU GENERATOR 200 AMP
KZT GENERATOR,DELCOTRON 60 AMP
K09 GENERATOR,120 AMPERE
K22 GENERATOR,94 AMPERE
K26 GENERATOR 40 AMP
K32 GENERATOR, 95 AMPERE
K60-99 (too many to add, and I’m not sure if they apply to the North American Yukon’s, Hoes or Denalis).
KW1 GENERATOR,160 AMP
KW2 GENERATOR,124 AMP
KW3 GENERATOR 135 AMP
KW5 GENERATOR 220 AMP
KW7 GENERATOR 170 AMP
KW8 GENERATOR 155 AMP
KW9 GENERATOR 190 AMP
KXB GENERATOR,DUAL,100 AMP
KX7 GENERATOR 270 AMP
KYU GENERATOR 200 AMP
KZT GENERATOR,DELCOTRON 60 AMP
K09 GENERATOR,120 AMPERE
K22 GENERATOR,94 AMPERE
K26 GENERATOR 40 AMP
K32 GENERATOR, 95 AMPERE
K60-99 (too many to add, and I’m not sure if they apply to the North American Yukon’s, Hoes or Denalis).
RooTBeeRthe1st
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I think I shared my build codes. I have 160 amp alternator and 700 watt fans factory
Last edited:
Let's hope your alternator is 160 AMPS. Doh!
ran it a little hard today and yesterday in 100deg ambient weather @100mph and above she likes to hang around 203-205deg's at sea level
I'm thinking I will pick up a fan kit like this, comes with everything including a thermocouple switch that turns on at 180 and shuts off at 165
it's generic and that's fine if it holds up for a while. It's a puller by default but can be reversed as well.
I'm thinking I will pick up a fan kit like this, comes with everything including a thermocouple switch that turns on at 180 and shuts off at 165
it's generic and that's fine if it holds up for a while. It's a puller by default but can be reversed as well.
gooffeyguy
Tom
203-205 trans or engine Temps?
transmission, engine doesn't budge I would like to keep the transmission no higher then 180, if it's getting over 200 just on flat land then pushing it up a mountain it's going to go somewhat higher
gooffeyguy
Tom
I was gonna say that those seem like normal engine Temps, but wasn't sure which you were talking about.
Last week when it was in the mid to upper 90s here and the high humidity had the heat indexes in 105-110, my trans Temps were consistently in the 165-167 when on highway and 175 when in town
Last week when it was in the mid to upper 90s here and the high humidity had the heat indexes in 105-110, my trans Temps were consistently in the 165-167 when on highway and 175 when in town
mine does ok just putting around it will stay under 200 but if I push it hard it goes up, since it was re-built for 500hp it runs about 15-20 deg higher than it used to then putting it down below it gets less air, the fan kit looks pretty simple to install the tru cool is 8.5 X 22 and the 2 fans are 9" each so should fit just right
OP
OP
200+ is normal for the 6L80. Those temp vs transmission life charts floating around the internet are for 1970s era fluids and transmissions.
