Slant six radiator fan too top hose clearance

[Slantsix64]

I got about an inch clearance from the fan blade and top hose, I can’t raise the radiator up because the hood won’t close running the pressure release style cap.

would I be fine or should I just run the smaller 15 incher fan than the 17inch

 

[Slantsix64]

.

 

[HemiSSDart]

I don't see a problem, except those fans are not made for the street. I ran one on my 383 Dart for a couple years, went back to stock style and went from 210 to 185 cooling temp...

 

[Slantsix64]

I don't see a problem, except those fans are not made for the street. I ran one on my 383 Dart for a couple years, went back to stock style and went from 210 to 185 cooling temp...

Oh dang really? My car won’t heat up past 170 idling or on the freeway

 

[Perseus]

Oh dang really? My car won’t heat up past 170 idling or on the freeway

Ya know, my slant also runs about 170* F. just cruising at 30-35 mph, but I think these temps are slightly below what is optimal engine/fuel efficiency. Could be thermostat isn't closing enough or too much coolant to water ratio? Maybe others can give their views on this.

 

[65 Cuda 340]

Looks like plenty of clearance to me. However, the 15 incher I would think would absorb a bit less power, and apparently you don't need such a big fan. If you want to try the smaller fan just for the halibut.

 

[HemiSSDart]

My slants had a 4-blade 13" fan I believe was the diameter unless it had factory A/C...

 

[mvh]

There are a couple of sizes of the 4-blade fan, since they were also used on base V8s. They are not much for cooling — the flat blade angle was designed to use less engine power for economy. When I was looking for a more aggressive fan, I determined that 16" was the largest I could fit, the limiting factor being the power steering pulley, not the upper hose. I installed a 16" Texas Twister plastic flex fan. I think the photo shows plenty of clearance — if the motor can move 1 inch vertically he will have plenty of other problems to contend with.