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Thread: Coolant resivoir always empty

  1. #1
    Senior Member bil1024's Avatar
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    Coolant resivoir always empty

    Have a stock 302 with the FFR slim coolant tank. Has about 100 mi on it and believe its all bled. Fill the reservoir and after a drive it pukes up, fill it back up half way and did this twice and its dry, no puking. Any thoughts ?

  2. #2
    Senior Member Itchief's Avatar
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    Install a larger tank mine did the same thing except I would sometimes find a small amount of antifreeze under the car

    Rick
    #8475 Complete Kit Delivered Nov 2014, started Nov 2015, Street Legal Apr 2016, Paint and Interior Completed Aug 2017, 390 BBF, March accessory kit, MSD Atomic EFI and Ready to run, TKO 500 with MidShift kit, hooker headers, 3 link, track lock with 3.55, sway bars, power steering, wipers, heater

  3. #3
    Senior Member BEAR-AvHistory's Avatar
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    Kevin
    MKIV #8234
    Coyote '14/TKO-600/3-Link 3:55 Rear
    I love the smell of 100 octane in the morning.
    NITTO NT01 275X40X17ZR - 315X35ZRX17
    Delivered 2/7/14 - Plate "COYOTE NC1965" 3/25/15

  4. #4
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    Same thing, I got a big 56oz one from summit, it’s overkill but not sure if 36oz is quite enough? Probably just.

  5. #5
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    I also bought the 56oz from Summit. I've got the Blueprint 351/427 Stroker and the tank that came with the kit wasn't big enough to handle it.

  6. #6
    Senior Member Avalanche325's Avatar
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    This is a really strange one. Most cars are fine with the stock overflow, me included. Then there are some that need a bigger one.

  7. #7
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    I have a carbed 302. When I had the system full and the tank empty, it would overflow the stock FFR tank about 10 oz or so, this was just running it up to temp in the driveway before I had it on the road, so not getting real hot. Mostly idle. Once cooled I’d take the filler cap off the coolant line and it would be missing quite a bit, again, 10-15oz I’m guessing. Did it a bunch of times before I just bought a bigger one.
    Problem solved.

  8. #8
    Senior Member John4337's Avatar
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    Same here, just needed more capacity to keep from overflowing and then sucking air into the system.

    John
    FFR #7388 - Mk 4 Complete Kit w/ IRS, Ordered 10/21/10, Delivered 12/8/10. 302 with FiTech and Under Car Exhaust, Heat & A/C, Rod Top. Hard top and shop built side curtains added 2023.

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