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08-04-2017, 10:51 PM
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#1 |
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Registered User
Join Date: Jul 2017
Location: calabash n.c
Posts: 12
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overheating rat rod
purchased a 1969 c-10 with a 454 motor.engine is a stock rebuild with header's.It has been hot here in southern ,north carolina for past 3 month's.Truck is overheating,I flushed radiator and installed new thermostat. Water pump is O.K.and still overheating.I want to get a new radiator and would like advice,2,3,4, Row,aluminum or steel,what brand.Help would be greatly appreciated. Thank's Ron
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08-04-2017, 10:54 PM
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#2 |
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Registered User
Join Date: Sep 2013
Location: Gonzales, La
Posts: 1,441
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Re: overheating rat rod
4 row aluminum is what I would recommend. As far as makers, I don't have a perferance. But I would make sure it came with a shroud and electric fan set up. I think champion and griffin brands offer that option.
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MyToys: Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles. Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop. Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ. Member of the Louisiana Classic Truck Club, LCTC Member of the Louisiana C10 Club Member of the Baton Rouge Drifters Car Club |
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08-04-2017, 10:54 PM
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#3 | |
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Registered User
Join Date: Apr 2011
Location: Fairview Park, Ohio
Posts: 1,028
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Quote:
Mark Posted via Mobile Device |
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08-05-2017, 12:22 AM
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#4 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: overheating rat rod
Before you jump into a different rad answer one question.
Do you have a coolant recovery bottle on your rad? |
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08-05-2017, 05:21 AM
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#5 |
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laying low
 
Join Date: Mar 2001
Location: Searcy, Ark. USA
Posts: 12,955
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Re: overheating rat rod
First off, welcome to the forums.
Some pics of your setup might help. You may not need a new rad. Currently 2 or 3 row radiator? Fan shroud? Fan type? Engine state of tune? Retarded ignition timing causes an engine to run hotter. Just food for thought.
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Boog 69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver primer is finer 91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said. I stand for the flag and kneel at the cross |
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08-05-2017, 08:12 AM
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#6 |
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Registered User
Join Date: Aug 2016
Location: Miami fl
Posts: 289
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Re: overheating rat rod
Lots of good advice on this forum and congrats on your truck .... i have a 454 in my truck as well .. and it Over heats too ... when I'm cruising/moving it's fine .... haven't really gotten to fully address it yet cause I don't drive truck that much and work a lot ... I have an alum rad and new water pump just haven't put them in ... anyways .... (good advice Iv gotten here) what I have done is move my temp sensor from next to the header over to where the water pump is for a more accurate reading .... and Iv put my fans on a manual switch . Good luck dude 👍🏼
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M.A.G.A. 
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08-05-2017, 09:13 AM
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#7 |
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Registered User
Join Date: Feb 2016
Location: Hebron
Posts: 1,123
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Re: overheating rat rod
I also have a 454 in mine, but I want to ask you a few questions. Overheating means to me fluid puking out, but it means other things to look at, is it in fact puking fluids? What temperature does the engine get up to? You can get for a few bucks a laser temperature gun and you will then know the accurate temperature your engine is getting up to. I'm running a 2 core, 1 1/2" tubes - aluminum radiator and an electric fan with an adjustable unit to come on about 170 degrees, and it runs fine. More tubes depending upon the sizes could mean a much wider radiator, do you have that kind of room and or it could mean much smaller tubes than say 2 or 3. Are you running a 50/50 mix?? Number of tubes doesn't necessarily correct an overheating issue. Others have also mentioned factors you need to look into if you already haven't.
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RUBBER DOWN AND HIT THE ROAD!!!1940 Ford Dlx Coupe 1969 Mach1 |
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08-05-2017, 09:09 PM
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#8 | |
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Registered User
Join Date: Jul 2017
Location: calabash n.c
Posts: 12
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Re: overheating rat rod
Quote:
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08-05-2017, 09:17 PM
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#9 |
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Moderator
 
Join Date: May 2007
Location: Southern Cal
Posts: 19,981
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Re: overheating rat rod
Do you have a shroud? Having one is necessary for your cooling system to function properly.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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08-05-2017, 09:27 PM
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#10 |
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Where's my beer?
Join Date: Oct 2004
Location: Glen Allen, VA
Posts: 1,768
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Re: overheating rat rod
at what temperature is it running? Does it cool down as you drive, but heat up at stoplights?
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70 C10, shortstep, .30 over 250,Hurst shifted 3 spd parts hauler. Holley 390, Clifford Intake, Header, ported cylinder head, unknown bigger cam. 79 Corvette L82, 4 spd, black, red interior, headers, flowmasters, and unkown bigger cam. '03 Grand Cherokee Laredo, 4.0 4x4 daily driver. 165K miles, and runs great '08 Tahoe LTZ 4x4 155K |
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08-05-2017, 09:40 PM
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#11 | |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,512
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Re: overheating rat rod
Quote:
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08-05-2017, 10:22 PM
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#12 |
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Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,050
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Re: overheating rat rod
You didn't say what you have currently for a cooling system. My 2wd. Blazer has a mild 454 w/A.C., & headers. Has a Performer RPM intake on it. I have a stock 4 core rad. with a shroud and a G.M. 7 blade clutch fan. I have a 160* thermostat. It runs 160 - 180 normally. It'll get to 200 deg. if it idles 600 RPM for a long time on a 90 deg. Florida day. It won't blow coolant out the overflow.... no catch tank. If I bring the RPM up to 1,000rpm the temp. will start back down.
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Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! Last edited by RustyBucket; 08-06-2017 at 09:13 AM. Reason: typo |
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08-05-2017, 10:41 PM
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#13 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,709
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Re: overheating rat rod
You also didn't say if it was getting hot idling or if it was while driving. Both require different possible solutions.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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08-06-2017, 09:35 PM
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#14 |
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Registered User
Join Date: Jul 2017
Location: calabash n.c
Posts: 12
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Re: overheating rat rod
cst10 that is where I was headed,along with adding a recovery bottle. Thank's for the help RON
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