 Whats this rectangle hole for? |
|
|
|
Porsche, and the Porsche crest are registered trademarks of Dr. Ing. h.c. F. Porsche AG.
This site is not affiliated with Porsche in any way. Its only purpose is to provide an online forum for car enthusiasts. All other trademarks are property of their respective owners. |
|
|
  |
| simonjb |
 Feb 25 2018, 01:28 PM
Post
#1
|
|
KiwiMan  Group: Members Posts: 563 Joined: 18-October 16 From: Stamford, Connecticut Member No.: 20,505 Region Association: North East States 
 |
Can someone tell me what goes in/through the rectangle you see here in the engine tin??
 |
   |
 
|
| McMark |
Feb 25 2018, 01:32 PM
Post
#2
|
|
914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Intake air pre-heater plumbing passed through that spot. Only present on early cars (70-71)
|
|
|
|
| 914werke |
Feb 25 2018, 01:37 PM
Post
#3
|
|
"I got blisters on me fingers" Group: Members Posts: 10,004 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
|
(IMG:style_emoticons/default/agree.gif) in conjunction with the oil bath air filter
|
|
|
|
| Spoke |
Feb 25 2018, 01:57 PM
Post
#4
|
|
Jerry Group: Members Posts: 6,973 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None
|
If the hole isn't blocked off it should be to stop the cooling air from escaping to the engine compartment instead of going past the cylinders.
|
|
|
|
| McMark |
Feb 25 2018, 04:25 PM
Post
#5
|
|
914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
QUOTE(Spoke @ Feb 25 2018, 02:57 PM)  If the hole isn't blocked off it should be to stop the cooling air from escaping to the engine compartment instead of going past the cylinders. This hole doesn't enter the cooling air section of the tin. It just passes from the bottom to the top. So, plugging it will stop hot air from travelling up from underneath, but I'd hardly be concerned with that amount of air. Leaving it open shouldn't affect anything. |
|
|
|
| r_towle |
Feb 25 2018, 05:04 PM
Post
#6
|
|
Custom Member Group: Members Posts: 24,563 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
|
QUOTE(McMark @ Feb 25 2018, 05:25 PM) QUOTE(Spoke @ Feb 25 2018, 02:57 PM) If the hole isn't blocked off it should be to stop the cooling air from escaping to the engine compartment instead of going past the cylinders. This hole doesn't enter the cooling air section of the tin. It just passes from the bottom to the top. So, plugging it will stop hot air from travelling up from underneath, but I'd hardly be concerned with that amount of air. Leaving it open shouldn't affect anything. Considering it’s right above the exhaust system, I would close it off so you don’t suck hot air from below. The rubber seal around the engine tin is not for looks, it has an engineered purpose. |
|
|
|
| mgphoto |
Feb 26 2018, 12:19 PM
Post
#7
|
|
"If there is a mistake it will find me" Group: Members Posts: 1,335 Joined: 1-April 09 From: Los Angeles, CA Member No.: 10,225 Region Association: Southern California |
This preheater is also on MY '72 goes away with the paper air cleaner MY '73.
|
|
|
|
|
1 User(s) are reading this topic (1 Guests and 0 Anonymous Users)
0 Members:
|
Lo-Fi Version | Time is now: 25th April 2024 - 05:00 PM |
Invision Power Board
v9.1.4 © 2024 IPS, Inc.