302 Overheating! - Page 2 - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #16 of 21 (permalink) Old 06-21-2002, 12:18 PM
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302 Overheating!

If you are going to run an electric fan get the Blackmagic from Flex-a-lite... Pulls 2800 cfm, comes with an electronic thermostat, and a manual override. This one works..
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post #17 of 21 (permalink) Old 08-22-2017, 08:03 AM
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Re: 302 Overheating!

had electric fan took it off and put on 6 blade fan, no difference.
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post #18 of 21 (permalink) Old 08-22-2017, 08:05 AM
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Re: 302 Overheating!

timing is correct and carb is adj. right
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post #19 of 21 (permalink) Old 08-22-2017, 08:06 AM
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Re: 302 Overheating!

radiator is 4 row cross flow type.
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post #20 of 21 (permalink) Old 08-28-2017, 09:48 AM
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Re: 302 Overheating!

I think one of the guys said this- You sure you don't have a water pump turning the wrong way, in your case I assume a reverse rotation pump would be the wrong one, I ordered a Stewart pump & got the reverse rotation one by mistake, caught it before installing though.
I had all your issues, with a 3 row rad. Stewart pump (normal rotation) & a Taurus electric fan/shroud the thing runs at 160 in heavy traffic, if anything it runs a bit cold!
Taurus or the Lincoln electric fans kick out huge CFM;s, you can avoid the spike on your electrical system on start up by using a Flexalite variable speed controller, it brings the fan on slowly & then ramps up to the speed required, mine hardly ever goes to full rpms.
motor- 347 stroker built by Stefko racing engines
As posts above, start at the rad, make sure its cleaned out, it'd be running a 3 row at least.
My local rad. shop took my 2 row stock rad, used the top tank & a larger bottom tank from GDI industries & built me a 3 row all for under 300 bucks.
Good Luck
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post #21 of 21 (permalink) Old 08-28-2017, 10:32 AM
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Re: 302 Overheating!

Holy thread grave digging!

I have a 390 and it was notorious for overheating. Perhaps the reason for its early demise.

After I rebuilt it with some mild performance mods it makes more power therefore burns more fuel therefore makes more heat. I'm running the stock type brass 2-core radiator and water pump. I installed a Lincoln Mark 8 electric fan with a variable pulse-width controller and a 180 degree Superstat (Stant) thermostat. Never overheats now.

The Mark 8 fan draws 30 amps and moves a ton of air. Apparently it's the same as the Taurus so there are plenty of them out there for very cheap. From what I have read they are far better than much more expensive aftermarket fans.

1964 Thunderbird 390 V8, AOD, F.A.S.T. EZ EFI 1.0, Victor intake, MSD Ignition.
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