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EFV-8 Club Forum / General Ford Discussion / radiator hose and thermostat

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Discussion Topic: radiator hose and thermostat -- page: 1 2

pinnsky

04-15-2015 @ 2:28 PM

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I recently read that you can keep the thermostats in place by using a rubber hose inside the radiator hose. Would it be possible to use schedule 40 pvc which can be used in pressurized systems up to 140 degrees? Since the thermostat is 160, non pressurized it seems like it may work and may be easier to insert. What do you think?

len47merc

04-15-2015 @ 3:54 PM

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No experience with the PVC, but the Gates rubber hose as described in other discussions on this forum is not that difficult to insert with a simple coating of coolant and pre-positioning using the coolant flange on the head. Did it on my '47 with minimal effort and it has been a permanent, effective solution that has remained fixed and effective through multiple removals of the hoses and stat changes.

Steve

TomO

04-15-2015 @ 4:37 PM

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You don't need to use any method to hold the thermostats in position if you use the correct thermostat. The correct thermostat is held in place by the stock hose.

The correct size thermostat will just fit in the end of the hose and not go up into the hose.

Tom

TonyM

04-15-2015 @ 5:14 PM

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I must have done something wrong. I used two sets of Thermostats, one pair from Joe's and one pair from Mac's--both sets would flip or move inside the hose. Had the correct hose too. Not sure why mine would not stay in place. I have since solved the problem.

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joe b

04-15-2015 @ 5:49 PM

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I had the same problem with mine. They were 160's from C&G. Found them both cocked in the hose. Noticed it when the engine ran around 190. I tried PVC but it melted and basically flattened and went up the hose. Was able to get it with pliers. I used a second hose clamp above the water neck to retain the thermo's. Works just fine. I don't have a concourse car and only a keen eye will spot it.
TONYM how did you solve the problem on your car?

Old Henry

04-15-2015 @ 6:03 PM

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Here's the simple and secure method to secure the thermostats. Use one strand of stranded wire.

Old Henry

04-15-2015 @ 6:06 PM

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Or this.

Old Henry

04-15-2015 @ 6:09 PM

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Or this.

Old Henry

04-15-2015 @ 6:11 PM

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Another look at the first.

len47merc

04-15-2015 @ 6:53 PM

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Gents - in follow-up I must be doing something wrong as well, though what I do not know. After bringing the '47 back to life the original 171 degree bellows stats (i.e., 2"-3" tall) were checked (hot water on the stove with a Fluke meter/themocouple) and found to be fully functional, so back in they went with new original stock style hoses from Carpenter. They canted as soon as I cranked the car (again, original stats), so moved on after several stat 'resets' to a set of original stock style hoses from Job Lot and had the same problem. Fatigued of the problem and, at the time, was intending to have the motor compartment judged in the Rouge class so the visible 2nd clamp above the 1st was not an option. I tried Old Henry's option (which I liked then and do now) but for some reason at the time I just could not stop a slow, frustrating weeping of coolant around the wires, so impatiently tried the 'hose in a hose' solution and it worked for me. Old Henry's method did keep the stats firmly in position - believe had I been more patient at the time the seal could have been improved further and the weeping stopped completely.

If judging/scoring is not a consideration the two clamp method I have seen work well on several drivers and is a quick, effective fix.

If anyone can advise the appropriate source for the correct hoses that prevent canting of stats (original or new) am sure we all will appreciate the knowledge.

Steve

This message was edited by len47merc on 4-16-15 @ 2:50 PM

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