Radiator oem or upgrade on racecar?
05-22-2017, 09:57 PM
Post: #1
Radiator oem or upgrade on racecar?
I have allways thought a upgrade alloy radiator are the best out there. But my friend just showed the opposite. He have a drag Starlet, fitted with a 600hp 4A-GTE and a Civic radiator. First a china made thick and heavy radiator, it ran too hot. Then he bought a Mishimoto Civic radiator with no difference at all, still too hot. Now he fitted a unoriginal OEM radiator to a fraction of price and problem solved Hurray!

I'm building my race/rallycar, and wondering if you guys had any similar problems with upgrade radiators? I'm very confused what I should buy?

Project AE86 now begun.

Cars I have owned:
Toyota Starlet EP91 1,3 16v Turbo, 200hp
Toyota Starlet EP71 1,3 12v Sport
Mercedes 207D camper, 1977.
Toyota Starlet EP70 with a 174hp Silvertop 20v See video here:
http://videos.streetfire.net/search/Star...079edc.htm
Toyota Corolla AE101 with a 164hp Silvertop 20v. (Evolution bodykit and candycolor paint).
Volvo 240 2,1 (The only car I have maked money on).
Toyota Corolla EE90 (my first car)
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05-22-2017, 10:51 PM
Post: #2
Radiator oem or upgrade on racecar?
Never had any problems with cheap alloy radiators they always delivered what they promised: better cooling Smile
Not sure what went wrong on your buddys car.

Daily Beater: Civic EG5
Work in progress Car: AE86
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05-23-2017, 05:59 PM
Post: #3
Radiator oem or upgrade on racecar?
Mine is double row oem radiator, which you can probably let do at radiator shop
Never had any problems and car was on circuit for 4 hours 2 weeks ago.
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05-24-2017, 09:27 PM
Post: #4
Radiator oem or upgrade on racecar?
Double row copper is the way to go if you want serious cooling and weight. No complaints on my Koyo rad more then that it didn't come with a cap.
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06-23-2017, 05:16 PM
Post: #5
Radiator oem or upgrade on racecar?
Thanks for your input guys

Project AE86 now begun.

Cars I have owned:
Toyota Starlet EP91 1,3 16v Turbo, 200hp
Toyota Starlet EP71 1,3 12v Sport
Mercedes 207D camper, 1977.
Toyota Starlet EP70 with a 174hp Silvertop 20v See video here:
http://videos.streetfire.net/search/Star...079edc.htm
Toyota Corolla AE101 with a 164hp Silvertop 20v. (Evolution bodykit and candycolor paint).
Volvo 240 2,1 (The only car I have maked money on).
Toyota Corolla EE90 (my first car)
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06-23-2017, 05:21 PM
Post: #6
Radiator oem or upgrade on racecar?
Those always come with OEM cap.

If yours didn't contact the company you purchased the radiator from. As a Koyorad dealer i know some stuff =)

(05-24-2017 09:27 PM)krullibull Wrote:  Double row copper is the way to go if you want serious cooling and weight. No complaints on my Koyo rad more then that it didn't come with a cap.
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