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wbute Offline
#1 Posted : Friday, 20 April 2018 10:48:45 AM(UTC)
wbute

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Just a quick question, when was forced air induction first offered in HQ-WB vehicles?
Sandaro Offline
#2 Posted : Friday, 20 April 2018 11:21:15 AM(UTC)
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If you talking about air to the passenger compartment, then from the outset of HQ. Designed with the vents in the door pillars to allow outflow
Dr Terry Offline
#3 Posted : Friday, 20 April 2018 11:47:43 AM(UTC)
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Forced air, as defined by GM-H is effectively fan-forced face-level fresh air ventilation.

This was first seen in the upper spec models in HJ, e.g. Premier, LS, GTS, Statesmans etc. For HX, Kingswoods gained forced air & by HZ-WB even the most basic models had it fitted as standard equipment.

The standard HQ dash vents were not fan-forced, while the the factory air con system would not allow fan-forced air at face-level unless it was air conditioned air. The factory air con in HJ-WB did allow this with that extra position added to the air control level.

Dr Terry

Edited by user Friday, 20 April 2018 12:15:02 PM(UTC)  | Reason: Not specified

If at first you don't succeed, just call it Version 1.0
wbute Offline
#4 Posted : Friday, 20 April 2018 3:55:15 PM(UTC)
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Thanks Terry. Was sure I read that in your 50 Years book, but I have misplaced it.
Dr Terry Offline
#5 Posted : Friday, 20 April 2018 4:04:07 PM(UTC)
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Originally Posted by: wbute Go to Quoted Post
Thanks Terry. Was sure I read that in your 50 Years book, but I have misplaced it.


Buy a 60 Years book, it has more info & is more accurate.

Dr Terry
If at first you don't succeed, just call it Version 1.0
Jul71-Oct74 Offline
#6 Posted : Saturday, 21 April 2018 2:55:12 AM(UTC)
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Just out of interest, when did the heater system first get induction via a blower fan? I remember my Dad's HK had it, but our EH did not.
Dr Terry Offline
#7 Posted : Saturday, 21 April 2018 8:44:33 AM(UTC)
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Originally Posted by: Jul71-Oct74 Go to Quoted Post
Just out of interest, when did the heater system first get induction via a blower fan? I remember my Dad's HK had it, but our EH did not.


Fan heaters have been around since FX in one form or other. Motorless heaters were made available, usually as a dealer-fitted accessory from FB to HG. Cars earlier than FB didn't have a plenum chamber type air intake to enable the motorless type to operate.

In early 71 ADRs made motorised heater-demisters compulsory, so the motorless type disappeared.

Premiers had the motorised heater-demisters as standard equipment & these units (minus the centre console) were also available on Specials & Standards etc. However they were quite expensive, so the motorless type were made available as a cheaper alternative.

Dr Terry
If at first you don't succeed, just call it Version 1.0
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