Radiator Cooling System Routing Help Ls1tech These are your transmission fluid oil coolant lines. on a 4l60e, they are placed one on top of the other or "two tall." the bottom line is the "feed line" which runs out of the transmission into the factory in tank cooler inside the radiator. the feed line connects to the radiator at the bottom of the passenger's side of the radiator. Step 2 – drain the coolant. as long as the engine is cool, remove the radiator cap and set it aside. place your drain pan under the radiator on the passenger side. on the bottom of the radiator you'll find the drain petcock (figure 1). open this and let the coolant drain out. this can take around 10 minutes or so.
Radiator Cooling System Routing Help Ls1tech Step 3 – remove the upper radiator panel. disconnect the air intake temp (ait) sensor and mass airflow (maf) connections. loosen the worm clamp where the intake connects to the throttle body and disconnect. remove the four 10mm bolts from the upper radiator panel. remove the panel and air intake ducting. 1507 posts · joined 2006. #5 · may 12, 2014. 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. Run coolant crossovers to just below that position on the radiator tank, many radiators from ls powered factory vehicles already have a nipple here. this will allow the radiator cap to relieve the steam pressure buildup as it builds and reaches the rating on the cap. ls swap radiators commonly do not have this location below the radiator cap. Firebird and camaro ls swap: cooling system guide. november 14, 2016 by ls engine diy. a high performance ls engine generates much more heat than a chevy gen i small block engine or a pontiac v 8 that originally came in many of the f body cars, so you need a cooling system that effectively and efficiently dissipates and manages the heat.
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