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#1 (permalink) |
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Registered User
Join Date: Mar 2000
Member # 522
Location: Lincoln, CA.
Posts: 470
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My stock FJ40 radiator just isn't cooling my 350 worth a damn.
I saw a thread a couple months ago about what radiators folks were using in their cruisers with 350-v8 conversions, but I wasn't looking to replace my radiator then. Now I am, and the thread is gone. Where can I get a good radiator and what's a good size, and (last question) how did you mount it in your engine compartment (did it just bolt right in, or did you have to fab up a mount). Probably get a new fan while I'm at it - I don't like my cheapo electric fan. Thanks!
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- Dave You haven't lived a full life until you've delivered a baby in your bathroom at midnight... |
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#2 (permalink) |
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Registered User
Join Date: May 2001
Member # 4569
Location: Sacramento, Ca
Posts: 79
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I had the same problem. However, I originally fixed it by converting my original radiator to a (5) core. That worked well. Now I run (3) core aluminum cross flow GRIFFIN. It runs 185-205deg. DAREN
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#3 (permalink) |
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Registered User
Join Date: Mar 2000
Member # 522
Location: Lincoln, CA.
Posts: 470
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I've looked at the aluminum Griffins. What size is your radiator and how did you mount it in your cruiser?
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- Dave You haven't lived a full life until you've delivered a baby in your bathroom at midnight... |
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#4 (permalink) |
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Registered User
Join Date: Mar 2000
Member # 487
Location: San Francisco, CA USA
Posts: 110
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don't know if chad is still making them, but redwood radiator made a four core with dimpled tubes that cooled some pretty hot running v8's, including bruce lutz's.
floyd bufkin in colorado, swears by a griffin and a black magic electric for this v8. said the griffin he got fits in the stock mount.
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Jay |
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#5 (permalink) |
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Registered User
Join Date: May 2000
Member # 1007
Location: SLC, Utah
Posts: 5,355
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My rad is stock top and bottom tanks with 5 core never had a problem even running for 4 hrs in the heat going to moab (105 deg) Almost any shop can do it. Mine only cost $225.
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[B][COLOR="Gray"][SIZE="4"][url]www.DLUXfab.com[/url][/SIZE][/COLOR] [/B] |
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#6 (permalink) |
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Registered User
Join Date: Feb 2000
Member # 293
Location: Ca.
Posts: 225
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I also used one of Chad's 4 cores with the dimpled tubes. Lowered and moved my radiator mounts to the drivers side about an inch to get the fan closer to center on the radiator. Used a Steward stage one water pump, that pumps about 30% more than stock. For a fan I used a 7 blade off a Cadillac hooked to a K-5 Blazer fan clutch. Thermostat was also a Steward 180 deg. drilled for flow. So far the engine has never gone above 185 degrees.
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#7 (permalink) |
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Registered User
Join Date: Feb 2000
Member # 170
Location: Phoenix, Az
Posts: 2,548
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I use aa 2 row with 1" tubes from Ron Davis...no issue's here unless you run your 350 greater then 15 degree's advance...then it overheats other wise select the thermo and add 7 to 10 and your done....180 baby...at 110...
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Red Racer I Toyota FJ62 |
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#8 (permalink) | |
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Registered User
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Quote:
[ 08-25-2001: Message edited by: Sixgun ]
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A slightly modified 69 FJ40.. |
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#9 (permalink) |
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Super Moderator
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Is the radiator the problem, or is it the cooling *system* as a whole?
Fan too far away from the radiator, poor shrouding, blocked airflow, etc. are all common problems... Not that getting a new radiator won't help, but maybe a close look at the system as a whole with some changes there can solve the problem without the expense of a custom radiator.
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>David > 4x4Spot.com >It only hurts the first time you agree with me... >"A little nonsense now and then is cherished by the wisest men." |
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#10 (permalink) |
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Zeus of the Sluice
Join Date: Oct 2000
Member # 1926
Location: Dallas, TX USA
Posts: 3,255
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Yup, gotta agree.. Griffin radiator are the way to go. I have wheeled in 110 degree temps during labor day and my FJ40 with a 350 TBI motor never got above 220 degrees.
Charles
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'69 FJ40 with very few stock parts. 2000 Cummins with some goodies to make it smoke..... Trail Gear's Bad Ethics=Bad Business. |
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