 cool air flaps & thermostat |
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| JBart |
 Dec 7 2006, 07:59 PM
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#1
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UNDER CONSTRUTION  Group: Members Posts: 110 Joined: 9-October 06 From: Wildomar Ca. Member No.: 7,019  |
I just purchaced a 72' 1.8 and just learning about Porsches I have noticed that i don't have a thermostat but the cool ail flaps are still in tact . Wonder if I need the cool air flaps working or if they can be removed ? It would be easier to install a new thermostat but all I see is NLA. Can anybody help on which way to go.
Thanks, Bart |
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| SLITS |
Dec 7 2006, 08:04 PM
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#2
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None  |
DO NOT REMOVE THE FLAPS.......Their failure mode (bad thermostat or no thermostat) will position them in the correct position for running. The thermostat only pulls the flap into the start/warmup position (blocks air to the oil cooler, heads and jugs).
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| G e o r g e |
Dec 7 2006, 08:06 PM
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#3
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Dr Group: Members Posts: 1,905 Joined: 20-September 05 From: Southern Cal Member No.: 4,832 Region Association: None 
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| Pat Garvey |
Dec 7 2006, 08:18 PM
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#4
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Do I or don't I...........? Group: Members Posts: 5,899 Joined: 24-March 06 From: SE PA, near Philly Member No.: 5,765 Region Association: North East States |
QUOTE(JBart @ Dec 7 2006, 10:59 PM)  I just purchaced a 72' 1.8 and just learning about Porsches I have noticed that i don't have a thermostat but the cool ail flaps are still in tact . Wonder if I need the cool air flaps working or if they can be removed ? It would be easier to install a new thermostat but all I see is NLA. Can anybody help on which way to go. Thanks, Bart '72 1.8? |
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| bd1308 |
Dec 7 2006, 08:22 PM
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#5
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
that t-stat is actually a type 1 thermostat, just FYI.
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| JBart |
Dec 7 2006, 08:26 PM
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#6
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UNDER CONSTRUTION Group: Members Posts: 110 Joined: 9-October 06 From: Wildomar Ca. Member No.: 7,019 |
Thanks for all the help guys I can use all I can get. My next ? would be what temp. should the motor run at and is there any place or type of gauge to install ?
I hate dummy lights !!! I'm scared I'm going to burn the car up. |
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| G e o r g e |
Dec 7 2006, 08:28 PM
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#7
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Dr Group: Members Posts: 1,905 Joined: 20-September 05 From: Southern Cal Member No.: 4,832 Region Association: None
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QUOTE(bd1308 @ Dec 7 2006, 06:22 PM) that t-stat is actually a type 1 thermostat, just FYI. I said possible here is there type 1 ad. 69 for type 1, 99 for type 4. maybe they just used the same pic, maybe not don't know (IMG:style_emoticons/default/KMA.gif) (IMG:style_emoticons/default/biggrin.gif) |
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| JBart |
Dec 7 2006, 08:31 PM
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#8
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UNDER CONSTRUTION Group: Members Posts: 110 Joined: 9-October 06 From: Wildomar Ca. Member No.: 7,019 |
QUOTE(Pat Garvey @ Dec 7 2006, 06:18 PM) QUOTE(JBart @ Dec 7 2006, 10:59 PM) I just purchaced a 72' 1.8 and just learning about Porsches I have noticed that i don't have a thermostat but the cool ail flaps are still in tact . Wonder if I need the cool air flaps working or if they can be removed ? It would be easier to install a new thermostat but all I see is NLA. Can anybody help on which way to go. Thanks, Bart '72 1.8? Can't say for sure still to new but by reading the Haynes manual and where they say the VIN # should be . But by matching the # online it looks to me to be a 1.7 . Is there a way to really tell ???? |
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| SLITS |
Dec 7 2006, 08:35 PM
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#9
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
QUOTE(JBart @ Dec 7 2006, 06:31 PM) QUOTE(Pat Garvey @ Dec 7 2006, 06:18 PM) QUOTE(JBart @ Dec 7 2006, 10:59 PM) I just purchaced a 72' 1.8 and just learning about Porsches I have noticed that i don't have a thermostat but the cool ail flaps are still in tact . Wonder if I need the cool air flaps working or if they can be removed ? It would be easier to install a new thermostat but all I see is NLA. Can anybody help on which way to go. Thanks, Bart '72 1.8? Can't say for sure still to new but by reading the Haynes manual and where they say the VIN # should be . But by matching the # online it looks to me to be a 1.7 . Is there a way to really tell ???? Nope unless you disassemble the engine.....you should be reading the engine number, not the VIN. |
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| JBart |
Dec 7 2006, 08:46 PM
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#10
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UNDER CONSTRUTION Group: Members Posts: 110 Joined: 9-October 06 From: Wildomar Ca. Member No.: 7,019 |
QUOTE(SLITS @ Dec 7 2006, 06:35 PM) QUOTE(JBart @ Dec 7 2006, 06:31 PM) QUOTE(Pat Garvey @ Dec 7 2006, 06:18 PM) QUOTE(JBart @ Dec 7 2006, 10:59 PM) I just purchaced a 72' 1.8 and just learning about Porsches I have noticed that i don't have a thermostat but the cool ail flaps are still in tact . Wonder if I need the cool air flaps working or if they can be removed ? It would be easier to install a new thermostat but all I see is NLA. Can anybody help on which way to go. Thanks, Bart '72 1.8? Can't say for sure still to new but by reading the Haynes manual and where they say the VIN # should be . But by matching the # online it looks to me to be a 1.7 . Is there a way to really tell ???? Nope unless you disassemble the engine.....you should be reading the engine number, not the VIN. Sorry about that it was the engine # the book says there are the diff. places for the engine #. The 1.8 being on the top of the block close to where it bolts to the trans |
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| SLITS |
Dec 7 2006, 08:53 PM
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#11
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"This Utah shit is HARSH!" Group: Benefactors Posts: 13,602 Joined: 22-February 04 From: SoCal Mountains ... Member No.: 1,696 Region Association: None |
so is the 1.7
W='70-'71 1.7 EA='72-'73 1.7 EB='73 1.7 smog (lower compression) EC='74 1.8 smog (lower compression) AN=European 1.8 VO=1.7/1.8/2.0 magnesium case - few brought into US |
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| Chris Pincetich |
Dec 7 2006, 09:04 PM
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#12
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B-) Group: Members Posts: 2,082 Joined: 3-October 05 From: Point Reyes Station, CA Member No.: 4,907 Region Association: Northern California |
My 1.7 never had a thermostat and when I pulled off the ducting it was missing a flap. It seems to warm up real good and drives great. I am re-doing the heating ducts thanks to new hose and HE and am not sure if I should replace the flap and themostat or not. Of course completeness is good, but maybe this is another item that doesn't HAVE to be hooked up, like my decel valve which was never there either.
SO I guess I am repeating the original question... replace or ignore? (IMG:style_emoticons/default/beerchug.gif) |
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| JBart |
Dec 7 2006, 09:04 PM
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#13
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UNDER CONSTRUTION Group: Members Posts: 110 Joined: 9-October 06 From: Wildomar Ca. Member No.: 7,019 |
QUOTE(SLITS @ Dec 7 2006, 06:53 PM) so is the 1.7 W='70-'71 1.7 EA='72-'73 1.7 EB='73 1.7 smog (lower compression) EC='74 1.8 smog (lower compression) AN=European 1.8 VO=1.7/1.8/2.0 magnesium case - few brought into US The first #'s are EA . Will that tell me it's a 1.7 And a 72 1.8 doesn't sound right? Thanks for all the help !!!! I hate needing this much help but this car is a rare breed to me I'm use to my ol' GMC |
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| Gint |
Dec 7 2006, 09:14 PM
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#14
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Mike Ginter Group: Admin Posts: 16,071 Joined: 26-December 02 From: Denver CO. Member No.: 20 Region Association: Rocky Mountains |
QUOTE(bd1308 @ Dec 7 2006, 07:22 PM) that t-stat is actually a type 1 thermostat, just FYI. Hmmm... From waaaayy back in the days when I used to sell VW parts... The type I t-stat I think has an 111 part number. This one is an 021. More research will be required. |
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| bd1308 |
Dec 7 2006, 09:18 PM
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#15
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Sir Post-a-lot Group: Members Posts: 8,020 Joined: 24-January 05 From: Louisville,KY Member No.: 3,501 |
even the t1 thermostats work great, they just open sooner than the t4 counterpart.
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| Dave_Darling |
Dec 8 2006, 09:32 AM
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#16
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914 Idiot Group: Members Posts: 14,985 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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QUOTE(ChrisNPDrider @ Dec 7 2006, 07:04 PM) My 1.7 never had a thermostat and when I pulled off the ducting it was missing a flap. It seems to warm up real good and drives great.... SO I guess I am repeating the original question... replace or ignore? Replace. The right-side flap ducts the air into the oil cooler. That one absolutely must be there, regardless of anything else. It's good to have the rest of the system operational, as it will help your engine last longer. You want the engine to get up to operating temperature quickly, and then not to get warmer than that. The T-stat helps with the former. --DD |
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| SirAndy |
Dec 8 2006, 12:27 PM
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#17
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Resident German Group: Admin Posts: 41,636 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Dave_Darling @ Dec 8 2006, 07:32 AM) Replace. The right-side flap ducts the air into the oil cooler. That one absolutely must be there, regardless of anything else. (IMG:style_emoticons/default/agree.gif) you NEED the flaps. without them, the oilcooler will get almost no airflow at all at all times. ticket for dissaster ... you can run without the thermostat as the flaps "fail" to the max. cooling position by default. however, make sure that *if* you remove the thermostat, either leave the little round plastic wheel on the motor or, if you remove it, put the bolt holding it back into the case! that mounting hole is a *through* hole and will result in a nice, big oil-leak if left unplugged ... (IMG:style_emoticons/default/smile.gif) Andy |
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| Chris Pincetich |
Dec 8 2006, 01:11 PM
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#18
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B-) Group: Members Posts: 2,082 Joined: 3-October 05 From: Point Reyes Station, CA Member No.: 4,907 Region Association: Northern California |
Great discussion - thanks (IMG:style_emoticons/default/beerchug.gif)
I am realizing the minimalist knowledge and good experience that went into my salvage yard engine install. I insructed him to make it work good and not buy every piece OEM for concourse assembly. I've got the wheel, no thermostat, and both flaps. Driving with no ducts recently caused me to loose the driver side flap I think. Now I realize the lack of ducts might have killed air flow to the oil cooler (!,?). I'll have to bust out haynes etc to really figure this out if I go to a header w/o additional oil cooling. (IMG:style_emoticons/default/beerchug.gif) |
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| jr91472 |
Dec 8 2006, 02:22 PM
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#19
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"I'm pacing myself sergeant..." Group: Members Posts: 1,205 Joined: 2-August 04 From: McKinney, TX Member No.: 2,437 |
I have run my '72 without the t-stat for years, justifying it by stating that I live in Texas and my problems are keeping it cool enough.
But I just ran some errands for about 45 min, stop and go traffic with the air temp around 30-40 F. My oil temp NEVER got up to 180deg..... (IMG:style_emoticons/default/sad.gif) Think I am going for find that t-stat in one of my boxes and see if it still works. (IMG:style_emoticons/default/beer.gif) |
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