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10-29-2008
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#1 |
 Join Date: Sep 2005
Posts: 90
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Need to choose a new radiator
Are the L98 and ZR1 radiators the same?
Are DeWitts and Fluidyne equal to each other? I have a strange leak. It leaks after I turn off the engine. I ran the car with the air conditioner off to make sure it wasn't coming from condensation. |
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10-29-2008
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#2 |
Join Date: Dec 2004
Location: Jacksonville, FL USA
Posts: 4,609
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Re: Need to choose a new radiator
I think that they are the same radiator if you go to autozone and plug in the info in their parts locator.
Sorry I do not have any experience with either of the name brand replacement radiators you listed. I know that alot of people use DeWitts as an upgrade over a stock replacement. I do know that a standard replacement radiator that you get at a chevy store and/or an auto parts store usually comes with the auto trans cooler in the right side tank....no choice. The DeWitts has a discrete listing for auto or manual trans application. I would think that Fluidyne does the same. I would think that it might be a prudent step to put a pressure tester on the system just to make sure it's the radiator (core &/or side tanks) that's leaking. Unless you saw the leak & are sure it's the rad?  Tom
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1990 ZR-1, Black/grey, #2233, stock. ZR-1 Net Reg Founding Member #316 & NCM member |
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10-29-2008
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#3 | |
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Banned
BANNED
Join Date: Oct 2006
Location: MD
Posts: 3,674
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Re: Need to choose a new radiator
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ZR1 radiators are the same... You can purchase an OEM ZR1 radiator on ebay for $99 plus shipping ($60). QB93Z (Jim) just purchased one and could give you more details on the other radiators. |
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10-29-2008
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#4 |
Join Date: Aug 2005
Location: Scottsdale, AZ
Posts: 2,446
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Re: Need to choose a new radiator
Went with Fluidyne per Hib
It has brought temps down here in AZ |
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10-29-2008
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#5 |
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Guest
Posts: n/a
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Re: Need to choose a new radiator
The current OEM replacement radiator you get is made for an automatic car. It has the provisions for the tranny cooler.
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10-29-2008
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#6 | ||
Join Date: Mar 2004
Location: Found Member
Posts: 4,327
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Re: Need to choose a new radiator
Quote:
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10-29-2008
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#7 | |
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Posts: n/a
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Re: Need to choose a new radiator
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10-29-2008
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#8 |
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Join Date: May 2005
Location: Nichols, FL
Posts: 611
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Re: Need to choose a new radiator
If it is dead center of the car it may be the water pump rather than the radiator. GM deliberately chose not to put in an upgraded rediator in the ZR-1 and designed the bypass system to protect it from the higher GPM that Lotus designed for the car. Lotus spected the pump to flow 25 gal per min per 100 hp which is close to 100 GPM.
Tyler |
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10-29-2008
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#9 |
  
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,120
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Re: Need to choose a new radiator
The radiators are exactly the same. As stated above the Automatic transmission lines are just not used and a standard radiator can be had as stated for $150 shipped to the door. The new OEM style radiator will work fine.
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GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director  91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V |
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10-30-2008
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#10 | |
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Join Date: Sep 2005
Posts: 90
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Re: Need to choose a new radiator
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I can't see where the leak is but it comes from the center under the radiator. It can be somewhere other than the center and running along the frame to the center. It's not the water pump because I would be able to see it. As far as I can see, it's not any hoses. The main hoses are Samco hoses and I doubt that they would leak. With the car being 17 years old and having the original radiator, I figure it's a good time to change it anyway. Sounds like I can't go wrong which ever I choose or go with stock replacement. |
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