Dark tint helps, here is a pic of 35 on my windshield and 5 over factory smoke. Ac works good, but i think it could be better.
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Nice, looks great! But, unfortunately that's flat a$$ illegal.Dark tint helps, here is a pic of 35 on my windshield and 5 over factory smoke.
I have a heat barrier clear film on the van windshield, not even noticeable. However it really cuts the heat.Nice, looks great! But, unfortunately that's flat a$$ illegal.
so is this GM valve ok or not for a sbc tbi? and how would you plumb it?The OE water valve's design is such that, when activated, it shunts the coolant flow back to the engine, bypassing the heater core... it doesn't simply "shut it off". As such the OE water valve maintains the coolant flow in the heater coolant circuit, but shuts the flow before it reaches the heater core, returning it to the engine / water pump.
See it here:
HEATER VALVE
GM GENUINE 155533
As noted, one could put valves in the lines. But...
I though it is required to maintain the coolant flow in the heater circuit of the SBC engine (not "deadhead" as was mentioned earlier). I swear I read that, somewhere. Perhaps the Vortec SBC engines are different b/c they have the bypass from the intake manifold to the pump. (Yes, SBC engines with non-Vortec heads AFAIK have a bypass from the right-side cylinder head, though the block, to the water pump, but it seems like a rather restrictive path).
Pontiac in the 70s used a deadhead coolant shut-off valve in the heater circuit, but that's a different engine.
so is this GM valve ok or not for a sbc tbi? and how would you plumb it?
Nice, looks great! But, unfortunately that's flat a$$ illegal.
What did you use?I have a heat barrier clear film on the van windshield, not even noticeable. However it really cuts the heat.
So it is possible to use a VOT Variable orifice tube in these trucks with rear AC? Mine is a 99 Tahoe with rear AC (C69) and I was looking into a variable OT but everything out there says for non-rear ac, i believe the designation is C60 trucks.102°F/35% humidity or there about. I am running a duramax fan blade and a 16" 3,000 cfm electric puller. Variable orifice tube in the front, expansion valve in the rear and R152a.
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