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Old 06-22-2018, 01:04 PM
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building a radiator fan shroud?

I need a shroud for 55 chevy radiator. I know they sell them,but wondered if someone here might be Making these?Any ideas-- or want to do a shroud. please call on me. thanks much bob s

ps References helpful also in someones shop.

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Old 06-22-2018, 08:14 PM
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Any HVAC or sheetmetal shop can make you one, make a sample out of cardboard and take it to them.

Check your local Yellow pages.
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Old 06-22-2018, 09:03 PM
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make a sample out of cardboard and fiberglass it

easy peasy
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Old 06-22-2018, 10:19 PM
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shroud

Years ago I made one for a '35 Ford pickup by stuffing paper and anything else between the radiator and fan then cast it in 'glass. Had to cut it in two just to get it out. Took some work but end product COOLED the engine.
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Old 06-23-2018, 08:06 AM
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some info

https://www.hotrodders.com/forum/anyo...ud-190046.html
there was a detailed how to on building a fiberglass one a few years ago nere on hotrodders That link is in post 13
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Old 06-23-2018, 09:07 AM
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Quote:
Originally Posted by timothale View Post
https://www.hotrodders.com/forum/anyo...ud-190046.html
there was a detailed how to on building a fiberglass one a few years ago nere on hotrodders That link is in post 13



Found it Timothale !!thank you much!! Bob s
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Old 06-24-2018, 11:20 AM
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nice shroud in that thread. i use mostly cardboard, tape and wax for my bucks
lots of fiberglass build pics in my truk build thread, no shroud, just a lot of parts

58 TRUK intro - The 1947 - Present Chevrolet & GMC Truck Message Board Network

last thing i made was radiator cover
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Old 06-26-2018, 11:57 AM
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Here is how I did my fiberglass shroud for my 48 Plymouth.

I made a shroud for mine.

1) Cut a piece of thin plywood slighlty larger than the core, making sure to cut a notch to fit around the upper and lower hoses.

2) Cut another piece about 1 inch larger diameter than the fan.

3) Measure the distance from the core to what would cover about 2/3 of the fan blade.

4) Cut 4 blocks of wood as standoffs between the two pieces of plywood taking in consideration the thickness of the plywood to give you the total measurement from step 3.

5) Measure to get the proper position of the fan to the core both horizontally and vertically.

6) Using the plywood and standoffs screw or nail everything together using the measurements from step 5 to position the round plywood piece to the core plywood.

7) Get some fabric with some stretch to it and lay it on the round plywood piece, staple it in the center then staple around the perimiter of the round plywood. Once you have the fabric stapled to the round piece, stretch it down and around the back side of the core sized plywood and staple it all the way around. Now you have your form.

8) Get some fiberglass cloth and resin. Mix a batch of resin and paint it over the fabric form then start laying your fiberglass over the form. Lay up as many layer as you want to build up to a thickness you are comfortable with.

9) Once all the fiberglass is set, drill a starter hole in the round plywood and use a jigsaw to cut around the edge of the plywood to remove it from the shroud. Do the same with the core sized piece of plywood.

10) to make room for the lower hose, I then cut a notch in the shroud and used a plastic drinking cup cut on a diaginal and glassed it to the inside of the shroud to form a "pocket" for the hose to run in.

11) Sand, paint and attach with two pieces of aluminum angle screwed into the shround and core support. I also used some stick on rubber weatherstrip from Home Depot between the shroud and the radiator to seal it and prevent rattles.

Here is the shroud before I realized I had to make the pocket for the lower hose.
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Old 06-26-2018, 12:30 PM
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Working a fab shop I once spent a full day making a very nice aluminum fan shroud on a '50s panel w/ small-block Chevy for a guy. Very careful construction, press-brake bends, good tig welding, and especially I made a tight fit like a half-inch, all the way around the engine-mounted fan so as to maximize it's effectiveness. Last thing I did was give it a good polish job and get it all bolted in. It was gorgeous, I thought.

A half-hour before he came to pick it up I decided I would take the car around the block for...no reason, I guess. What could go wrong?

The first corner I went around, the car's totally-half-a motor mounts that I'd never really looked at allowed the whole engine to slide to one side over an inch. The fan ripped into the new shroud and basically destroyed it.

Yep. Be careful when you go to make something simple like a fan shroud. Consider everything you can think of. Really they don't need to be too overdone, as in the case of the one I did there.
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Old 11-15-2018, 11:06 PM
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Shroud kit

I have a Be Cool radiator in my 65 Belair with a big block in it. I bought a shroud kit from a stock car racing parts retailer it was inexpensive and gave me a good start in making my own shroud.
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Old 11-19-2018, 10:45 AM
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For the stock cars we made ours out of thin aluminum and pop-riveted the sections together. In a crash we wanted something that wouldn't take out the fan and would be easy to remove to get the car back on the track.
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Old 12-26-2018, 08:46 AM
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I got a universal kit from summit and it made it very easy to build a shroud maybe an hour or two
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