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No Antifreeze At Dragstrips |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5121 |
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Posted: Feb/18/2019 at 6:50pm |
I'm finding out dragstrips don't allow traditional antifreeze so to be legal it has to be removed and replaced. Since there are water jackets all over the inside of the engine how does one get it all out? I know there are drain plugs in the block but does that allow all the coolant out? Thanks, -Steve-
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WesternRed
AMC Addicted Joined: Aug/03/2010 Location: Australia Status: Offline Points: 5808 |
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I would suggest just flushing it out with copious amounts of water.
In my case, I found that the drain plugs in the bottom of the block didn't actually go through into the water jacket, so removing them didn't achieve anything. You could knock a couple of core plugs out, but that is hard work if the engine is in the car. I use this stuff now:
It's probably not available outside of Australia, but I'm sure you will be able to find something similar. |
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I've finally given up drinking for good...........now I only drink for evil.
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5121 |
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There are some similar products here in the US. It's just a lot of grief for street car guys like me who don't race every weekend. If I was in a warm climate I wouldn't worry about running that kind of coolant but since I'm in the midwestern US (and it's been a brutal winter this year) I don't want a cracked block. -Steve- |
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401MATCOUPE
AMC Addicted Joined: May/20/2010 Location: Salisbury, MD Status: Offline Points: 5367 |
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The two hex plugs, one on each side of the block DO enter the core. If you take them out and nothing drains, they are clogged with debris. Just put a screw driver in the hole and break out the debris.....I see it all the time when draining engines.
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Ross K. Peterson
68X,GoPac,343,AT,52A(1stCar) 68X,GoPac,390,4sp,52A 69X,GoPac,390,4sp,64A 70X,GoPac,390,4sp,87A,8 70X,GoPac,390,4sp,BBO,8 70 Jav SST,390,AT,BSO 74MatX,401,AT,Prototype 74MatX,401,AT |
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tyrodtom
AMC Addicted Joined: Sep/14/2007 Location: Virginia Status: Offline Points: 6214 |
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It's the same way at circle tracks.
Big fine if they see green fluid under the car after a overheat, or wreck. Even with the core plugs removed it usually takes more that one round of flushing to get all the color out. I've always used orange/amber colored antifreeze. If I don't get all the antifreeze out, they can't seem to tell the difference between rust colored coolant , or coolant with a tiny bit of amber or orange antifreeze still in it.
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66 American SW, 66 American 2dr, 82 J10, 70 Hornet, Pound, Va.
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gremlin1945
AMC Addicted Joined: May/21/2008 Location: new jersey Status: Offline Points: 781 |
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That rule only applies to race/modified cars. Cars registered with plates that only are run occasionally
are usually exempt. Of course some tracks might put that rule in but it Isn't an NHRA rule.
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former NHRA #1945
former IHRA #1945 T/SA |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5121 |
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Yes, some tracks like C.I.D. say so in their website "Track Rules" section. I've sent inquiries to other tracks asking them since it's not in their posted track rules. One track said if it's trailered in, no antifreeze. If it's driven to the track it's allowed but discouraged. -Steve- |
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WesternRed
AMC Addicted Joined: Aug/03/2010 Location: Australia Status: Offline Points: 5808 |
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Good fun when your radiator hose blows off and all of that nice green coolant goes under the slicks at the back, change of underpants required thanks.
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I've finally given up drinking for good...........now I only drink for evil.
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69BBB3904spAMX
AMC Addicted Charter Member Joined: Jun/29/2007 Location: San Jose, CA Status: Offline Points: 2761 |
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Is it because it is slippery or for Environmental reasons? There is pet safe Propylene Glycol, (which by coincidence is an ingredient I saw today in the ingredients of the Coca Cola Freestyle dispenser drinks that people consume).
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37 Ford Tudor 60 hp V8 flathead, all original, never restored
69BBB3904spAMX 70 Camaro 1st car 74 Hornet Hatch 6 cyl floor/auto 2007,2008,2009 PT Cruisers Aluminum Deck Car Trailer |
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WesternRed
AMC Addicted Joined: Aug/03/2010 Location: Australia Status: Offline Points: 5808 |
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It is slippery and hard to clean up, almost like putting oil down.
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I've finally given up drinking for good...........now I only drink for evil.
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