7MGTEJoe said:Your concern is well placed (I had similar thoughs when I first read it on the sogi list) but this dog was beaten to death years ago. John actually ran tempature tests and has pictures here if you care to ready a litle more about it:
http://www.jblmk3.com/id1_custom_jblmk3_intercooler_pipes.htm
Continuous Service Temperature - in Air (max.) for pvc is 160f or 71c
the supra engine bay is WELL above this frequently!
its just dum to save $20 and use pvc when mild steel is soooooo much better suited to the application, its ALLWAYS better to opperate with a margin of safety!
Whats your car / time worth?
Its GHETTO
Its BAD engineering
Its being a huge tight ass
Its painfull to look at