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Water Restrictor Plate - Modified - 351C - New ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang 1970,1970 cougar,1970 mustang,1971,1971 cougar,1971 mustang,1972,1972 cougar,1972 mustang,1973,1973 cougar,1973 mustang,351c,cougar,d0w,d0z,d1w,d1z,d2w,d2z,d3w,d3z,ford,ford mustang,mercury,mercury cougar,mustang,new,plate,repro,reproduction,restrictor,water,bypass,by,pass,conversion,over,heating,cooling,solution,cleveland,overheating overheat,over,heat,fix,cleveland,hat,351c,thermostat,conversion,351,cj,cobra,jet,mach I,mach,1,i,torino,cyclone,aluminum,restricter,bipass,cooling,package,fix,reroute,detomosa,pantera,trick,53234

Water Restrictor Plate - Modified - 351C - New ~ 1970 - 1973 Mercury Cougar / 1970 - 1973 Ford Mustang
Item #: 53234

4.91 stars, based on 32 reviews
New water restrictor plate for the Mercury or Ford equipped with the 351 Cleveland engine. It has been an accepted fact for decades now that the 351C bypass system was not the greatest idea Ford ever came up with. The unique 351C thermostat "hat"...
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Reviews 21-30 of 32
France
2016

perfect item

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Installed on my De Tomaso Longchamp, 351C. Easy to install. Cooling works properly know, with correct heat regulation.

Restrictor plate

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My 351C 4V always ran hot for years. Read about these, gave it a try. Now, my Cougar runs about 25 degrees cooler. Problem solver.

Restrictor Plate

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I installed the restrictor plate in my 351c about two weeks ago. Temps here have been in the 95 to 100 range. My vehicle is staying between 180 and 188 degrees. Before using the restrictor plate I was getting engine temps as high as 215. I am using a 160 degree thermostat. I had previously tried the old school "penny method" and it helped but not nearly as well as the WCCC aluminum restrictor.

restrictor water plate

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good looking piece have not in stalled yet shipped in a speedy fashion

Louisville CO
2013

So far so go!

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  • 30 minute install.
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I put this in my 1973 Cougar 2 weeks ago. I have driven it about 100 miles. No more running hot at idle! I can't believe it took me years to find this product. I would highly recommend this if your 351 C is running hot. I would suggest WCC to have this populate when searching for cooling items for 351 C.

Thanks Don

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Your recommendation to use the water restrictor plate to solve my overheating problem was spot on.

Ironically the thermostat I took out, which I thought was original turned out to be a Windsor thermostat.



Thanks again for the solution to my problem,

Alan

Thanks Don and team!

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  • Customer%20service.
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While driving my 71 cougar back to Colorado, I stopped by WCCC and Don noticed she was running a bit warm. He suggested the bypass update and thermostat change. He was so worried about us making it back he had his team replace it for us! Well Don it worked like a champ. Thanks for the help.



ike

2018

Water restriction plate

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The plate seems to work well

A few instructions would have been nice. It is really the"right" fix for the problem. I am glad your company came up with the solution.

water restrictor plate

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the part arrived before I new it. Sorry but I haven't installed it yet, as it is my personal project. Will check back later. Thanks Respectfully Lloyd

michigan
2017

water restrictor plate

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works great on my 71 cougar 351c I can now run a little more advance and not worry if it will turn over when running hotter. I'm happy with it AND the price. thanks !

Reviews 21-30 of 32