ever since i built my motor, its been running hot (above 190) then yesterday it started running at 210 and higher on the way to the doctor. then on the way home, it hit 250 twice (i stopped to let it cool down) i need a radiator that will handle cooling a 400+ horse small block i was looking at a griffin, but any suggestions would be appriciated(sp) thanks!!!

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1987 Black and Gold Trans Am (ex-LG4)
355 small block
400+ horse
3.42 rear

 

I using the Griffin 3 core aluminum radiator, only $180 and works great. I do have some problems in 100* weather but that is probably to do with my belt driven fan with no shroud.

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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
FLOWMASTER, NO CAT
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
2:73 GEARS
Rebuilt 700R4, with manual valve body
B Megashifter, 5" Autometer Tach w/shift lite
Soon to be installed
3:73 Richmond Gears and 3" Hooker Aero Chamber
Corvette Servo & .500 boost valve
15.61@ 95.2mph G-Teched, 1-2 shift slippage
"There is nothing more addicting than speed"

 

Get a aftermarket trans cooler as well. If you plan on not running the car in the cold go ahead and buy a oil/trans cooler combination. Also invest in a good set of electic puller fans.
Last but not least look at your air deflector. If it has taken a beating it could be the problem. You can buy a brand new one from a GM dealer for not too much.

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84 Z28 383
Stripped w/Cage back halved w/ladder bars and coil overs and 9 inch
700R-4 3.73

 

I'm using a BeCool with a MrGasket electric fan. 100 degrees on sunday and 75 mph on the highway and never got over 180.

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1984 Z28 350
Never argue with an idiot, they'll just bring you down to their level and beat you with experience
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