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turbo_jimi Member
Joined: 23 Feb 2004 Posts: 1206 Location: Tacoma
1985 Chevrolet Camaro Z/28
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Posted: Tue Nov 29, 2005 10:17 pm Post subject: Non-A/C Heater Box |
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Looking for one of these along with the control panel...thanks.
TJ _________________
1985 Z28 Crate 350, Hurst T-5, 3.23s, Flowmaster Under previous set-up: 143.82 rwhp 216.98 lbs. torque @4390 rpms 3/12/11 |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Tue Nov 29, 2005 10:27 pm Post subject: |
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You can use the factory AC controls. Actually not sure if the non a/c controls would work because of all the extra ducting?
Well hmm I forget, does the thirdgen have extra ducting for A/C like the S10's? |
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turbo_jimi Member
Joined: 23 Feb 2004 Posts: 1206 Location: Tacoma
1985 Chevrolet Camaro Z/28
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Posted: Tue Nov 29, 2005 10:30 pm Post subject: |
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Not sure, just wanted it to be non-A/C all the way around. _________________
1985 Z28 Crate 350, Hurst T-5, 3.23s, Flowmaster Under previous set-up: 143.82 rwhp 216.98 lbs. torque @4390 rpms 3/12/11 |
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iansane Member
Joined: 16 Jan 2004 Posts: 5740 Location: Bothell
1991 Pontiac Trans Am
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Posted: Wed Nov 30, 2005 12:09 am Post subject: |
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I was under the impression the nonAC cars came with blockoffs on the outside vents...
And last time I was out there, the JY on wheaten way in bumtown had one. I was going to pick it up but decided not to. (no cash). I just picked one up form the Pull-a-part off steele st a few weeks ago, they may still have the controls. _________________
Quote: | Sometimes I actually think I'm slightly retarded in the mouth. |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Nov 30, 2005 8:28 am Post subject: |
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iansane wrote: | I was under the impression the nonAC cars came with blockoffs on the outside vents...
And last time I was out there, the JY on wheaten way in bumtown had one. I was going to pick it up but decided not to. (no cash). I just picked one up form the Pull-a-part off steele st a few weeks ago, they may still have the controls. |
Non AC cars get outside air too though.... that's what the "vent" setting is on A/C, not sure the label on nons. Had a non car for a short while, it got fresh air. |
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iansane Member
Joined: 16 Jan 2004 Posts: 5740 Location: Bothell
1991 Pontiac Trans Am
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Posted: Wed Nov 30, 2005 10:32 am Post subject: |
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Twilightoptics wrote: | Non AC cars get outside air too though.... that's what the "vent" setting is on A/C, not sure the label on nons. Had a non car for a short while, it got fresh air. |
Whoops, I meant the vents right next to the doors, the "outer" vents as opposed to the "inner" vents near the center of the car. |
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Twilightoptics Hardcore (12sec Club)
Joined: 13 Jan 2004 Posts: 9191 Location: Auburn , WA
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Nov 30, 2005 10:34 am Post subject: |
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Gotcha |
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NHRA427 Member
Joined: 06 Dec 2005 Posts: 105 Location: Harrisburg Oregon
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Posted: Sun Dec 11, 2005 7:26 am Post subject: |
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The firewall is different for non a/c cars. to change the box you will have to block the hole in the firewal or make it smaller. the vent control in non cars is a cable controlled vents that is located at the bottom of the dash between the drivers legs. |
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rjmcgee The Hammer
Joined: 08 Jan 2004 Posts: 2320
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Posted: Sun Dec 11, 2005 10:02 am Post subject: |
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NHRA427 wrote: | The firewall is different for non a/c cars. to change the box you will have to block the hole in the firewal or make it smaller. the vent control in non cars is a cable controlled vents that is located at the bottom of the dash between the drivers legs. |
Nope, unbolt one and bolt in the other. Firewall is the same from what I have seen. |
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NHRA427 Member
Joined: 06 Dec 2005 Posts: 105 Location: Harrisburg Oregon
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Posted: Sun Dec 11, 2005 10:04 am Post subject: |
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They might have changed it in 82 but all the earlier models the ac hole in the firewall is taller then the non a/c cover. |
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Xophertony Rodeo Queen
Joined: 13 Oct 2005 Posts: 5304 Location: Portland, Oregon.
1988 Pontiac GTA
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Posted: Sun Dec 11, 2005 3:11 pm Post subject: |
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as i have both a "non ac" and an "ac car" i think i can put this to rest.
NON AC CARS FROM THE FACTORY: have two "Ram Air" (nothing to do with intake) vents in the lower firewall. these are fed by the vents on top of the firewall where the wipers are. they are prone to leaking (in my 86 they leak) and are actuated by two pull cables on the driver side hush pannel. the "right vent" one is prone to breaking as the longer cable requires more force.
they also have blockoff plates over the outermost dash vents. only ac cars have vents in this location.
factory no ac cars have a "vent" setting on the HVAC controls that allows unheated air to enter the cabin
FACTORY AC CARS: do not have "ram air" venting. factory ac cars heater boxes are drasticaly larger to acomidate AC. they hook up the same. the AC blower motor is much stronger then the non ac blower motor. for that reason alone i would leave my AC heater box in the car even W/O ac.
factory AC cars blow air out of the outermost vents on the dash. i do not know where else as my AC does not work.
factory ac cars do have an "economy" selection on the "air conditioning" section of the HVAC controls. this setting passes air over the ac coils but does not activate the air conditioning pump. the purpose of this was to run the ac for a few minutes, switch to "economy" and blow air over the still cooling condensor, then as the air begins to warm flip the ac back on.
LOGIC: why would they make two different frames for a heater box? the firewalls are the same. i however cannot confirm this. i just took a look under my GTAs dash and it looks like there is no way "Ram Air" venting could be retrofitted. i also know that the wiper sorounding vents that allow "ram Air" venting are different as the protrude to be flush with the hood on my 86 and do not on my GTA.
hope i helped clairify this. |
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rjmcgee The Hammer
Joined: 08 Jan 2004 Posts: 2320
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Posted: Sun Dec 11, 2005 9:57 pm Post subject: |
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All I was saying is that I swapped a non AC box in my 86 and if fits with no modifications. |
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Xophertony Rodeo Queen
Joined: 13 Oct 2005 Posts: 5304 Location: Portland, Oregon.
1988 Pontiac GTA
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Posted: Sun Dec 11, 2005 11:23 pm Post subject: |
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what i said does not contradict what you said in any way. i was meaning to clear up any question there may be about the firewalls being different. |
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