How To Set Up Ls1 Cooling System On 240sx For Cheap Youtube First start on the ls1 240sx! hope you guys enjoy! hoses used for cooling system: upper radiator hose gates 20873lower radiator hose gates 22970 or dayco. The stock ls1 f body computer needs to see a 12v request signal on pin 17 to get the a c going. the stock 97 240sx climate control unit uses ground to tell the compressor to kick on. so a relay will be needed to send 12v to the ls1 ecu. i tapped into pin 14 on the 240sx climate control unit to get 12v.
Ac In An Ls1 240sx Sikky Air Conditioning Kit Youtube Yes gen 3 4 engines are nont reverse cooled. coolant goes to teh block 1st, then the heads. the gen 2 lt1 (iron and alum head), 1996 97 lt4 and 94 96 4.3 v8 vee eight rpo l99 are all reverse flow cooled. heads get coolant 1st, then the block. i'm pretty sure the newer gen 5 lt1 is still conventionally cooled. This swap can easily be done for about the same price as a base level sr20det swap. if buying smart, wrenching yourself but using a pre made swap kit, with a 5.7l or 6.0l you can get it done for $6 $8k. add in what it costs to bring an sr20det up to the 350 400hp level and suddenly the price of an ls1 swap isn’t so bad. choosing a motor set:. The lsx cooling system (i believe that this applies to the older lt1's also but not 100% sure) the first thing that is important is to understand how this system works. here is an illustration of how the stock system works. the blue is considered the low pressure, then yellow, orange and red depicts highest pressure. Undo the bolts that hold the ls1 throttle bracket in place, and clean up the area where the throttle cable slides into. how to set ls1 ignition timing. take the bracket off and grind away at the slot where the throttle cable sits, you need a half inch so that your stock s13 or s14 throttle cable will fit.
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