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EFV-8 Club Forum / General Ford Discussion / Fan to Radiator Clearance Concerns

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Discussion Topic: Fan to Radiator Clearance Concerns

BIRUDY

11-29-2024 @ 7:07 AM

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Posts: 37
Joined: Jun 2022

Engine swap has been completed in my 35 Coupe.
Installed a 1937 21 stud to replace original early 35 21 stud.
Generator mounted cooling fan is giving me concerns..
A little background : the fan from the 35 engine provided clearance from rad but not the distributor.
tried a fan from 60hp flathead.. has a longer neck ..still no clearance to distributor.
Had a spacer machined to use the original 35 fan...
The spacer and 35 fan is installed and does provide clearance in both areas of concern.. BUT the clearance is minimal.
Have about 1/8" clearance from the distributor....
Have about 1/4" clearance from the radiator....
I have tired fan belts of various lengths to raise generator to enhance the clearance ..
Because the radiator is slightly canted back at the top.. as the generator is raised to tighten fan belt the closer the fan gets to the rad..
I have elected to stay with the shortest belt to achieve the best compromise.
Looking for reassurances that amount of clearance I have achieved and mentioned above are workable.
(Let me know if I am being too brave ... have not started the engine yet)
I have thought about looking and addressing the issues with the original engine and swapping it back..
Considering the costs of flathead fixes/rebuilding.. don't want to bury myself financially...engine has sat for at least 30 years
I have taken the 35 engine apart to inspect .. has babbit mains and inserts in the connecting rods.. cast iron heads in good shape.. #4 piston was tight to move due to a little ridging on top of cylinder .. minor corrosion on associated valves.. all components move.. some valve stems a little tight in the guides.. has adjustable tappets.. and tappet gallery has been drilled to assist in holding tappets during the adjustment exercise. Tappets are odd to me as they don't have the oval cut outs in their side surface to accommodate the easier adjustment.. they have a horizontal groove around the whole tappet.
Visual inspection of engine block doesn't appear to have any cracks.. ( save the little ones you see that you find between center studs and water jacket holes)
Will upload some pictures of the fan clearances..
Appreciate any advice or comments, thanks Rudy

This message was edited by BIRUDY on 11-29-24 @ 7:31 AM

kubes40

11-29-2024 @ 9:26 AM

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Rudy, this is an easy swap. Methinks you should install the '35 distributor and coil. From your photo, it appears there is plenty of clearance between the fan and distributor. The clearance to the coil is tight.

Mike "Kube" Kubarth

zeke3

11-29-2024 @ 11:30 AM

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Not related to your clearance questions, I recommend that you pull the rubber sleeves on the spark plug wires up so that they fit into the metal conduit for the spark plug wires. This should seal the joints so no water can get in there and fill up the distributor caps.

BIRUDY

11-29-2024 @ 11:41 AM

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Yes will do.. appreciate the advice and reason.

37RAGTOPMAN

11-29-2024 @ 3:40 PM

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Posts: 1977
Joined: Oct 2009

HI Rudy
was wondering how the rear trans engine mounts are, ?
looks like the engine is tilted on a angle
what I did was use a adapter to use a modern coil and a flat plate on the distributer
they sell these for about $40.00
if the back of the engine was raised it better for clearance
I did this exact same thing in the 1980s with no problems. for a customer,
hope this helps 37RAGTOPMAN,MAINE

BIRUDY

11-29-2024 @ 5:54 PM

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will check that possibility out.. did install new engine mounts as well as new transmission mount as original was in poor shape..
Will ensure that that engine is not sitting askew because of that consideration.

This message was edited by BIRUDY on 11-29-24 @ 5:57 PM

ford38v8

11-29-2024 @ 7:21 PM

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Use your 35 bolt-ons. Fan & generator mount on the intake manifold are different.

Alan

BIRUDY

11-30-2024 @ 10:03 AM

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Thankyou Alan,
looked at the 35 intake and can see the difference.. should solve my problem.

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