The purpose of the hose, by the way, is to allow the blow-by (pressure that slips past the piston rings) that builds up in the bottom end (crankcase) to be released to the top end (inside valve cover), so the PCV (positive crankcase ventilation) system can draw the pressure away, and into the...
Dealer only. Order over night. $16...??? last year for me.
It needs to be dealer, because it needs to fit easily, and made of oil vapor/fuel vapor resistant stuff. NOT heater hose.
http://www.cygnusx1.net/Supra/Library/EPC/291420/catalog.aspx?Figure=1201&Page=1
The temps here have been from 15-20* F at night. 50-60*F daytime.
I love driving my car in the winter here, as it gains what feels like 15hp due to the cold air.
Car runs same without coolant to throttlebody, summer or winter, smooth as a babies ass.:biglaugh:
7M BHG usually starts like this.....
Most of the 7M BHG, AS A FIRST SIGN, do not send coolant into the engine oil, or out on the ground.
Most of the 7M BHG blow at the #6 cylinder to a water passage. Combustion gasses are forced into the coolant when the fuel lights off (most...
The ONLY reason the throttlebody is heated is for better emission control on a cold engine. Once the engine is at normal temp, it does not help lower emissions.
You want "cold" air going into the engine for more HPs. I noticed a bit more throttle responce when I by-passed the throttlebody...
You are absolutely right about the water pumps on these 7M motors. I've done some testing on mine, and found that the pump barely moves water at RPMs under 1k.
Heavy traffic, long redlights, and such will overheat you quick if you are not paying attention.
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