Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543229
08/29/18 10:04 PM
08/29/18 10:04 PM
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Joined: Jul 2005
Posts: 1,499 Slidell, LA
Plum440
pro stock
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pro stock
Joined: Jul 2005
Posts: 1,499
Slidell, LA
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On my dad's bird he has a Griffin alum radiator, water wetter and a pusher fan. At a stop, it hovers around 220* - 230* Get it moving and it will stay around 200*. It does not like the summer or standing still.... This is just how they are. Good luck!
70 Challenger, 440, 4-speed, pLuM cRaZy 71 VW Super Beetle Convertible, Lemon Yellow A couple of Jeeps…
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543281
08/30/18 12:22 AM
08/30/18 12:22 AM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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Would that be the best to use? If so then for the water mix would it be regular water or would it have to be distilled? Luis welcome aboard. I would suggest distilled.
live every 24 hour block of time like it's your last day on earth
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543311
08/30/18 01:53 AM
08/30/18 01:53 AM
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Joined: Jan 2003
Posts: 1,908 Nebraska
4406bbl
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,908
Nebraska
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So I bought a Superbird about two months back and it was overheating a little so It turned out the radiator had a small leak and when I drained it to inspect it had gunk clogging it up. I sent it out to get a new cooler 4 row core and should be ready for pick up in the next hour or two.
I also researched and found a lot of reccimendations to use the following: “50/50 mix of water/antifreeze,....again I'll recommend the Zerex G-05 brand antifreeze (just 1 gal. the rest water, should be close to 50/50) with 8-10 oz. of Redline Water Wetter added,(Autozone).”
Would that be the best to use? If so then for the water mix would it be regular water or would it have to be distilled? I would suggest if you found gunk in the radiator and that gunk included fine rust, pull the starter, knock the frost plugs out, pull water pump housing and flush that block out. These cars sit so much they rust in the water jackets even if antifeeze is green. Just did my own sbird block was full halfway up frostplugs, never ran hot, always had green antifreeze.
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543325
08/30/18 02:42 AM
08/30/18 02:42 AM
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Joined: Aug 2011
Posts: 2,861 Pattison Texas
CSK
master
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master
Joined: Aug 2011
Posts: 2,861
Pattison Texas
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Install one of these in the upper hose & clean it out ever so often. It will save your new radiator. CLICK HEAR FOR LINK
1968 Charger COLD A/C Hilborn EFI 512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim 2020 T/A 392 Stock 11.79 @ 114.5
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543383
08/30/18 11:45 AM
08/30/18 11:45 AM
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Joined: Jan 2012
Posts: 2,652 Stuttgart, Arkansas
rickseeman
master
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master
Joined: Jan 2012
Posts: 2,652
Stuttgart, Arkansas
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I think distilled water is expensive, inconvenient and unnecessary. I would flush the cooling system real good (maybe twice) with a product from the parts store. Be sure to rinse good. Run some antifreeze to keep it from rusting. Make sure your nose is sealed up good. I put on a new stock fan clutch and I think I used a fan from a New Yorker or something that looks the same but is 1" larger. You can only do this if your motor mounts are tight to keep the fan from hitting the fan shroud. It won't run hot when you get done.
2011 Drag Pak Challenger
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543448
08/30/18 02:27 PM
08/30/18 02:27 PM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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So I bought a Superbird about two months back and it was overheating a little so It turned out the radiator had a small leak and when I drained it to inspect it had gunk clogging it up. I sent it out to get a new cooler 4 row core and should be ready for pick up in the next hour or two.
I also researched and found a lot of reccimendations to use the following: “50/50 mix of water/antifreeze,....again I'll recommend the Zerex G-05 brand antifreeze (just 1 gal. the rest water, should be close to 50/50) with 8-10 oz. of Redline Water Wetter added,(Autozone).”
Would that be the best to use? If so then for the water mix would it be regular water or would it have to be distilled? Having built more than a few BBlk and HEMI Daytonas and Superbirds from stock to 600+ HP strokers, I've dealt with all the heat issues, assuming your fuel mixture isn't on the lean side, if your running stock exhaust manifolds, check the heat riser, flush the block/hoses/etc, as far as the radiator I prefer the 5 row micro tube core stuffed into either stock/aftermarket repro 26" tanks, for thermostats, 180 degrees is a good start, make sure your lower hose has a spring in it, I usually run the Zerex G-05 (that's where you probably picked up the recommendation?)50/50 mix, water/distilled/DI/RO, and I find the Red Line (8-10 .oz) water wetter is good for another 10-15 degree decrease in running temp, also make sure all the internal nose seals are in place as well as the foam radiator top/bottom tank seals, factory shroud, and if you still have the factory clutch fan, ditch it in favor for a 5-7 blade fixed factory fan (for all those purist/clutch fan advocates, the factory had a recall in late 69 early 70 for all Birds to have the clutch fan replaced w/HD fixed blade because of overheating issues)make sure the blade sits at least 50-75% inside the shroud... To test how effective your nose seals are, at idle your airflow/suction should be able to hold a piece of standard 8X11 copy paper against the front lower grille with no assist from you, if it can't, work on the seals/shroud/fan blade until it can... Mike
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543645
08/31/18 12:03 AM
08/31/18 12:03 AM
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Joined: Apr 2011
Posts: 315 Ontario, Canada
RealWing
enthusiast
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enthusiast
Joined: Apr 2011
Posts: 315
Ontario, Canada
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The correct 7 blade HD fixed blade fan is p/n 2863223 and the 1.06" spacer is 1851959 Jim
1970 Superbird 440-6bbl, auto 1969 Barracuda 340-4bbl, FB Formula S auto 1969 Barracuda 6.1 L Hemi, 5 speed, Convertible 2022 Can Am Spyder RTL
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Re: How to keep Superbird from overheating?
[Re: Luis Zavala]
#2543675
08/31/18 01:30 AM
08/31/18 01:30 AM
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Joined: Apr 2018
Posts: 18 California
Luis Zavala
OP
member
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OP
member
Joined: Apr 2018
Posts: 18
California
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Alright thank you everyone. I do have the correct 7 blade fan. the 956 radiator In my car had a 4 row copper core added. I did get the zerex g-05, some distilled water, water wetter. And a 180* stant superstat thermostat. I’ll do it all tomorrow and see how it goes. I know my timing is slightly off also so I’ll have to fix that. But I think it should be good. Temp was getting to 200-210 after about 20 min or more of driving but it was in the 95-110 degree range those two weeks I drove it here in Southern California. Either way I would park and let it cool to not risk anything. I think with all these changes it should be good. At least I sure hope so.
Last edited by Luis Zavala; 08/31/18 01:32 AM.
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