coolant crossover pipes
#42
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LS1HowTo shows P/N 12568478 for the FRONT tube, and mentions using a front tube in the rear. I checked GMPartsDirect and it looks like it was superceeded by P/N 12602544. The only uncertainty is whether or not they can send the correct part, as they show multiple descriptions for the same thing. The closest looks like:
"Cooling - Radiator and components - Pipe - Engine air bleed
Engine air bleed - 8 cylinder, 1998-02 1998 - 2001"
"Cooling - Radiator and components - Pipe - Engine air bleed
Engine air bleed - 8 cylinder, 1998-02 1998 - 2001"
#43
9 Second Club
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blocking off the back two isnt the end of the world. Just makes it a little tougher to get the air out of the system. In a max effort car or power adder car it "could" potentially make a hot spot in the head.
As for the reasoning for why GM made them with block off's on the back two: generally, the engines sit at a slight decline in the car. blocking off the rear two isnt a huge No-no. I'd rather block off the rear two than go chiseling away at the underside of a perfectly good Fast or LS6 intake. if you're truely worried about trapping air, raise up the nose of the car as you bleed the system. ;-)
I actually kinda like the idea of two front cross-overs! It's overkill, but a pretty intelligent innovation on how to get the job done.
As for the reasoning for why GM made them with block off's on the back two: generally, the engines sit at a slight decline in the car. blocking off the rear two isnt a huge No-no. I'd rather block off the rear two than go chiseling away at the underside of a perfectly good Fast or LS6 intake. if you're truely worried about trapping air, raise up the nose of the car as you bleed the system. ;-)
I actually kinda like the idea of two front cross-overs! It's overkill, but a pretty intelligent innovation on how to get the job done.
#44
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blocking off the back two isnt the end of the world. Just makes it a little tougher to get the air out of the system. In a max effort car or power adder car it "could" potentially make a hot spot in the head.
As for the reasoning for why GM made them with block off's on the back two: generally, the engines sit at a slight decline in the car. blocking off the rear two isnt a huge No-no. I'd rather block off the rear two than go chiseling away at the underside of a perfectly good Fast or LS6 intake. if you're truely worried about trapping air, raise up the nose of the car as you bleed the system. ;-)
I actually kinda like the idea of two front cross-overs! It's overkill, but a pretty intelligent innovation on how to get the job done.
As for the reasoning for why GM made them with block off's on the back two: generally, the engines sit at a slight decline in the car. blocking off the rear two isnt a huge No-no. I'd rather block off the rear two than go chiseling away at the underside of a perfectly good Fast or LS6 intake. if you're truely worried about trapping air, raise up the nose of the car as you bleed the system. ;-)
I actually kinda like the idea of two front cross-overs! It's overkill, but a pretty intelligent innovation on how to get the job done.
BINGO!!!!
ws6store has a kit. 98-00 LS6/FAST Intake Manifold Coolant Pipe Kit
#45
Reviving an old thread. I am going to do the valley cover conversion soon and I wanted to clarify something. If I have a 2000 Z28 with an LS1 intake why do I have to replace my coolant lines if I am putting my LS1 intake back on. The only thing that is going to change is now I will have the LS6 valley cover. Is the LS6 valley cover taller or something?? I just don't see why my coolant lines all of a sudden wont fit under my LS1 intake after the conversion.
#46
The Scammer Hammer
iTrader: (49)
Reviving an old thread. I am going to do the valley cover conversion soon and I wanted to clarify something. If I have a 2000 Z28 with an LS1 intake why do I have to replace my coolant lines if I am putting my LS1 intake back on. The only thing that is going to change is now I will have the LS6 valley cover. Is the LS6 valley cover taller or something?? I just don't see why my coolant lines all of a sudden wont fit under my LS1 intake after the conversion.
I'm curious though, why aren't you going ahead and putting the LS6 intake on at the same time?
#48
TECH Fanatic
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Reviving an old thread. I am going to do the valley cover conversion soon and I wanted to clarify something. If I have a 2000 Z28 with an LS1 intake why do I have to replace my coolant lines if I am putting my LS1 intake back on. The only thing that is going to change is now I will have the LS6 valley cover. Is the LS6 valley cover taller or something?? I just don't see why my coolant lines all of a sudden wont fit under my LS1 intake after the conversion.