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Putting the fan blades on backwards does not reverse the airflow.It makes the curve of the blade backwards, which pretty much makes the fan useless. The airflow will still be in the correct direction, but probably about 25% of what it was.
well Mr. i can tell you when i rebuilt my engine everything was new, the radiator was brand new, the water pump, the fan and fan clutch, the block was boiled out at the machine shop, as well as the head, and yes the thermostat was also a new toyota unit.now since your new i'll let you know some specs, 22R bored .060, head shaved.005, block shaved .005, cam from LCEngineering .460 lift with 290 duration. LC 4 long tubes into 1 2 1/4 inch open exhaustrecently dyno revealed 178 hp at 5500have a listen http://www.mhdfl.com/forum/Glens-truck.mp3and yes with the stock NEW radiator it did fine crawlin, around town, driving 55 on 2 lanes, but when i opened it up on the interstate or on long hills it would get HOT, i installed a used v6 (3 rows for those who dont know) radiator and its never run over 185* sinceand before you flop info out you might want to know turbo radiators are 3 row, as are the early diesel radiators
The radiator in my '86 2wd turbo is a 2row. Just because I am new around here does not mean I am new to auto repair, performance mods, engine design and especially Toyota trucks. I have an '81 long bed 4x4 with a 20/22R hybrid, the head is ported and polished, has a stage 2 cam, oversize stainless valves, beehive springs with titanium retainers. It has a Weber 32/36 DGV, Doug thorley tri-y header and is bored .040 over.
It would haul my 30 foot (3600 lbs dry) airstream trailer at freeway speeds ALL FREAKING DAY with the stock radiator and not overheat!!I received an A in a 36 unit college auto repair class in 1982. Of course completing such a class does not give one the compliment of tools a mechanic needs so I worked in a carb shop for a couple of years and then a head shop for a couple more before operating my own garage for more than 12 years...how is that for flopping info out there YOU MOUTHY BIATCH!!!1stgenboy
Think about it, the blades are cupped & angled for a reason. With the blades on backwards, the fan will be pushing the air forward (from the engine compartment to the grill) rather than pulling the air through the radiator (from the outside). With the fan clutch engaged & the engine hot, your sucking the hot air from around the engine & trying to pushing it through an already hot radiator. You need to have the much cooler air from outside the engine compartment. Check & make sure you fan is on so it's pulling the air from the outside.
stage 2 what?? TRD ? LC? crane (crane as if they make a decent cam for a 22R)
Ummmm, guess who makes the trd cams
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