[T3] FW: Type 3 & Type 1 Cooling Systems

[Ian Ruinaard <iruinaard@ppc.co.za>]

Hi,
> Just a question I would like to raise about the Type 3 vs the Type 1
> cooling systems. There is a lot of talk about engine swaps (using Type
> 4 engines etc...)
> 
> As far as I understand the Type 1 (Beetle) has a Ducted Outlet type
> cooling system - this is why the bottom of the beetle engine
> compartment has all the sealing tin around it. & the intake grille is
> high up below the rear window - so you wont suck the hot air that has
> been exhausted under the motor back thru the engine & overheat.
> On the other hand the Type 3 (Fastback Squareback Notch etc..) has a
> Ducted Inlet type cooling sytem - the car sucks the cool air in the
> side vents & it is sucked into the engine from behind ( Thru the
> rubber bellows at the back of the engine compartment & then exhausted
> below the motor.
> 
> From this as I understand the following:
> If you run a beetle with a Baja conversion & you do not fit the
> fibreglass intake grille cover supplied with the kit you run the risk
> of overheating the motor.
> If You run a Type 3 without the rubber bellows installed at the back
> of the motor it will overheat.
> If you run a Type 3 motor in a Buggy or Sandrail it will also
> overheat.
> 
> The one I am not too sure about is the Type 4 system - I have never
> looked at them in detail.
> 
> Anybody got any comments; agree/disagree?
>  
> Ian 
> iruinaard@ppc.co.za
> 

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